CN108957905A - A kind of multipurpose EDFA parameter fast optimal design device and its production, application method - Google Patents
A kind of multipurpose EDFA parameter fast optimal design device and its production, application method Download PDFInfo
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- CN108957905A CN108957905A CN201710356805.3A CN201710356805A CN108957905A CN 108957905 A CN108957905 A CN 108957905A CN 201710356805 A CN201710356805 A CN 201710356805A CN 108957905 A CN108957905 A CN 108957905A
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- 238000013461 design Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000000835 fiber Substances 0.000 claims abstract description 88
- 238000012360 testing method Methods 0.000 claims abstract description 30
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 239000013307 optical fiber Substances 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 13
- 230000003321 amplification Effects 0.000 claims description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052691 Erbium Inorganic materials 0.000 claims description 2
- 230000000747 cardiac effect Effects 0.000 claims description 2
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims description 2
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- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
- G02F1/395—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves in optical waveguides
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
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Abstract
The present invention relates to kind of multipurpose EDFA parameter fast optimal design device and its a production, application method, which includes: host computer, pump laser module, two optoisolators, wavelength division multiplexer, Multichannel photoswitch module and Er-doped fiber composite module；The host computer is connect with the pump laser module and Multichannel photoswitch module respectively, the Multichannel photoswitch module is connect with the Er-doped fiber composite module, the wavelength division multiplexer is connect with the pump laser module and an optoisolator respectively, is coupled into Multichannel photoswitch module by the pump light of pump laser module generation and by the signal light of optoisolator；The output end of the Multichannel photoswitch module is connect with another optoisolator.Different pump powers and Er-doped fiber are chosen by PC control, directly determine the Er-doped fiber length and pump power of EDFA needs, and on-line testing.
Description
Technical field
It is fast more particularly to a kind of multipurpose EDFA parameter the invention belongs to the technical field of erbium-doped fiber amplifier design
Fast optimization design device and its production, application method.
Background technique
Erbium-doped fiber amplifier, abbreviation EDFA are indispensable in fields such as Fibre Optical Sensor, optic communication, laser radars
Part.EDFA can be described using indexs such as small-signal gain, saturation gain, noise figure, gain flatness.Different application neck
Domain is different to the index request emphasis of EDFA.For example, applying in dense wave division multipurpose optical communication system, it is desirable that there is high increasing
Beneficial flatness；It applies in the power amplifier of long-distance optical communication, it is desirable that have big saturation gain；It applies in Fibre Optical Sensor
In, when especially detectable signal is weaker, the noise figure of EDFA wants low.Even if application field is identical, in different application conditions
Under, it requires to carry out EDFA targeted design, optimization tradeoff indices make it obtain highest sexual valence in specific environment
Than.
In EDFA design process, it is thus necessary to determine that the length of pump power and the Er-doped fiber used is taking into account cost performance
Under the premise of find optimal parameter combination.Traditional method is that the Er-doped fiber of interception different length is fused in optical path, using not
Indices are tested with pump power, finally choose optimal combination.
However, there are certain deficiencies for traditional EDFA design process, the shortcomings that being primarily present are as follows:
First, traditional method process is to carry out in the lab, it is difficult to be directly accessed the different parameters combination of trial
Visual test is carried out in goal systems, and repetitive operation is more during repeating to intercept fused fiber splice, expends time and material
Material, it is at high cost；
Second, traditional method index test macro complex and expensive, and in actual application, specific EDFA refers to
Mark can not intuitively show the compatible degree of EDFA and system, obtain the best price/performance ratio.
In conclusion goal systems on-the-spot test, Photographing On-line can not be accessed for how to solve EDFA in existing technology
Problem and it is time-consuming, at high cost, test is complicated the problems such as, still shortage effective solution scheme.Therefore, being badly in need of one kind can be
The device of Photographing On-line EDFA in existing goal systems.
Summary of the invention
The present invention is in order to which the EDFA in the prior art that overcomes can not access goal systems on-the-spot test, Photographing On-line is asked
Topic and it is time-consuming, at high cost, test is complicated the problems such as, provide a kind of multipurpose EDFA parameter fast optimal design device and its
Production, application method.The present invention, which is realized, moves goal systems and scene for laboratory work, is chosen by PC control
Different pump powers and Er-doped fiber directly determine the Er-doped fiber length and pump power of EDFA needs, and on-line testing,
Practical application effect is obtained, and the optimal customization of cost performance is carried out according to parameter designing.
To achieve the goals above, the present invention is using a kind of following technical solution:
A kind of multipurpose EDFA parameter fast optimal design device, the device include: host computer, pump laser module,
Two optoisolators, wavelength division multiplexer, Multichannel photoswitch module and Er-doped fiber composite module；
The host computer is connect with the pump laser module and Multichannel photoswitch module respectively, the host computer
The pump power of pump laser module is controlled, the Multichannel photoswitch module is connect with the Er-doped fiber composite module, institute
It states host computer and changes the er-doped light that the Er-doped fiber composite module accesses the device by controlling the Multichannel photoswitch module
Fine length；
The wavelength division multiplexer is connect with the pump laser module and an optoisolator respectively, and pumping is swashed
The pump light and Multichannel photoswitch module is coupled by the signal light of optoisolator that light device module generates；
The output end of the Multichannel photoswitch module is connect with another optoisolator.
Further, the host computer uses industrial personal computer or computer, passes through serial ports or parallel port and the pump laser
Module connection, passes through serial ports or parallel port and the Multichannel photoswitch module.
Further, the pump laser module uses peak power output for the pump laser of 1.5W, center
Wavelength is 970~980nm or 1480nm, generates the pump light of EDFA.
Further, the Multichannel photoswitch module includes the first Multichannel photoswitch and the second Multichannel photoswitch, and described the
One Multichannel photoswitch and second Multichannel photoswitch use mechanical optical switch or mems optical switch, and 4 tunnels are at least arranged
Photoswitch, and the photoswitch of first Multichannel photoswitch and second Multichannel photoswitch setting number is equal, and one is a pair of
It answers, first Multichannel photoswitch is connect with one end of a different length Er-doped fiber per photoswitch all the way, Er-doped fiber
The corresponding photoswitch of the other end and second Multichannel photoswitch connect.
Further, the Er-doped fiber composite module includes the er-doped of the Er-doped fiber of 4m, the Er-doped fiber of 4.5m, 5m
Optical fiber, the Er-doped fiber of 5.5m, the Er-doped fiber of 6m, the Er-doped fiber of 6.5m, the Er-doped fiber of 7m and 7.5m Er-doped fiber.
Further, described two optoisolators are respectively the first optoisolator and the second optoisolator, first light
Isolator is connect with the wavelength division multiplexer, and signal light is one-way transmitted to the wavelength division multiplexer；
Second optoisolator is connect with second Multichannel photoswitch, so that the output of second Multichannel photoswitch
Light one-way transmission.
The present invention is in order to which the EDFA in the prior art that overcomes can not access goal systems on-the-spot test, Photographing On-line is asked
Topic and it is time-consuming, at high cost, test is complicated the problems such as, provide a kind of multipurpose EDFA parameter fast optimal design device and its
Production, application method.The present invention, which is realized, moves goal systems and scene for laboratory work, is chosen by PC control
Different pump powers and Er-doped fiber directly determine the Er-doped fiber length and pump power of EDFA needs, and on-line testing,
Practical application effect is obtained, and the optimal customization of cost performance is carried out according to parameter designing.
To achieve the goals above, the present invention is using a kind of following technical solution:
A kind of multipurpose EDFA parameter fast optimal design device production method, the production method are a kind of multi-purpose for making
Way EDFA parameter fast optimal design device, method includes the following steps:
(1) pump laser module and the first optoisolator are fused on wavelength division multiplexer by optical fiber splicer；
(2) wavelength division multiplexer closes the input terminal that Shu Duan is fused to the first Multichannel photoswitch by optical fiber splicer；
(3) Er-doped fiber of different length in Er-doped fiber composite module is fused to more than the first Multichannel photoswitch and second
Among the photoswitch of road, and correspond；
The output end of (4) second Multichannel photoswitchs is fused to the second optoisolator by optical fiber splicer；
(5) host computer controls pump laser module, Multichannel photoswitch module, control ginseng by serial ports or parallel port respectively
Number is respectively the pump power of pump laser and the length of the Er-doped fiber in access EDFA.
Further, in the step (1), the tail optical fiber length of pump laser module is 0.5m；
First optoisolator two sides tail optical fiber length is respectively 0.5m, and it is FC/APC that wherein signal light, which inputs one end fibre-optical splice,
Or FC/UPC；
Further, in the step (2), wavelength division multiplexer and the first Multichannel photoswitch weld to device tail optical fiber length
For 0.5m.
Further, in the step (4), the tail optical fiber length of the second Multichannel photoswitch and the second optoisolator is all
0.5m, second optoisolator light output one end fibre-optical splice are FC/APC or FC/UPC.
The present invention is in order to which the EDFA in the prior art that overcomes can not access goal systems on-the-spot test, Photographing On-line is asked
Topic and it is time-consuming, at high cost, test is complicated the problems such as, provide a kind of multipurpose EDFA parameter fast optimal design device and its
Production, application method.The present invention, which is realized, moves goal systems and scene for laboratory work, is chosen by PC control
Different pump powers and Er-doped fiber directly determine the Er-doped fiber length and pump power of EDFA needs, and on-line testing,
Practical application effect is obtained, and the optimal customization of cost performance is carried out according to parameter designing.
To achieve the goals above, the present invention is using a kind of following technical solution:
A kind of multipurpose EDFA parameter fast optimal design device application method, the application method are based on a kind of multipurpose
EDFA parameter fast optimal design device, the application method the following steps are included:
(1) a kind of multipurpose EDFA parameter fast optimal design device is linked into and carries out optical signal amplification using EDFA
In system, fixed pump power, and by the length of different Er-doped fibers in host computer selection EDFA, light amplification effect is recorded respectively
Fruit；
(2) pump laser module power is incremented by by host computer according to 100mW and is successively designed, repeated step (1)；
(3) test result is compared, under the premise of meeting the requirements, selects best cost performance, obtain best pump
Pu laser power value and Er-doped fiber length value, and specific aim EDFA production is carried out according to the data.
Compared with prior art, beneficial effects of the present invention:
(1) a kind of multipurpose EDFA parameter fast optimal design device of the invention, by Multichannel photoswitch by different length
The Er-doped fiber of degree is designed into the device, and pump laser power is adjustable, realizes multiple types combination through the invention
EDFA has different amplification effects, realizes multi-purpose machine, control is simple, easy to use；
(2) a kind of multipurpose EDFA parameter fast optimal design device of the invention and its production, application method, are actually answered
It, can be with due to stressing difference to EDFA light amplification performance requirement when with a kind of multipurpose EDFA parameter fast optimal design device
On-line testing is carried out on the spot by the device, assesses optimum efficiency, then optimal design parameter directly carries out EDFA production；
(3) a kind of multipurpose EDFA parameter fast optimal design device of the invention and its production, application method, designer
When member carries out different purposes EDFA design using a kind of multipurpose EDFA parameter fast optimal design device, high degree reduces real
The time that room is designed is tested, removes from and builds difference in laboratory test welding different length Er-doped fiber and adjusting pump power
EDFA process；
(4) a kind of multipurpose EDFA parameter fast optimal design device of the invention can be embedded in target application with real-time on-site
System carries out on-line testing, obtains best Er-doped fiber and pump power Optimal Parameters by host computer, then directly carries out special
The EDFA production for determining purposes, application effect is known that before the EDFA of special-purpose is not designed, reduces design experiment time and survey
Examination expense.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is a kind of structural schematic diagram of multipurpose EDFA parameter fast optimal design device of the present invention；
Wherein: 1- host computer, 2- pump laser module, the first optoisolator of 3-, 4- wavelength division multiplexer, the first multichannel of 5-
Photoswitch, 6- Er-doped fiber composite module, the second Multichannel photoswitch of 7-, the second optoisolator of 8-.
Specific embodiment:
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the absence of conflict, the features in the embodiments and the embodiments of the present application can be combined with each other.It ties below
Closing attached drawing, the invention will be further described with embodiment.
Embodiment 1:
As background technique is introduced, EDFA, which exists in the prior art, can not access goal systems on-the-spot test, online
The problem of design and it is time-consuming, at high cost, test is complicated the problems such as, a kind of multipurpose EDFA parameter fast optimal design is provided
Device and its production, application method.The present invention, which is realized, moves goal systems and scene for laboratory work, passes through host computer
Different pump powers and Er-doped fiber are chosen in control, directly determine the Er-doped fiber length and pump power of EDFA needs, and
On-line testing obtains practical application effect, and carries out the optimal customization of cost performance according to parameter designing.
In a kind of typical embodiment of the application, adopt the following technical scheme that
As shown in Figure 1,
A kind of multipurpose EDFA parameter fast optimal design device, the device include: host computer 1, pump laser module
2, the first optoisolator 3, the second optoisolator 8, wavelength division multiplexer 4, by the first Multichannel photoswitch 5 and the second Multichannel photoswitch 7
The Multichannel photoswitch module and Er-doped fiber composite module 6 of composition；
First multichannel light of the host computer 1 respectively with the pump laser module 2 and Multichannel photoswitch module is opened
Pass 5 and the second Multichannel photoswitch 7 connect, and the host computer 1 controls the pump power of pump laser module 2, the multichannel light
The first Multichannel photoswitch 5 and the second Multichannel photoswitch 7 of switch module are connect with the Er-doped fiber composite module 6, it is described on
Position machine 1 changes the er-doped by the first Multichannel photoswitch 5 and the second Multichannel photoswitch 7 for controlling the Multichannel photoswitch module
Optical fiber combination module 6 accesses the length of the Er-doped fiber of the device；
In the present embodiment, the host computer uses industrial personal computer or computer, passes through serial ports and the pump laser mould
Block connection, passes through serial ports or parallel port and the Multichannel photoswitch module.
The pump laser module 2 uses peak power output for the pump laser of 1.5W, wherein cardiac wave a length of 970
~980nm or 1480nm generates the pump light of EDFA.
First optoisolator 3 is connect with the wavelength division multiplexer 4, and signal light is one-way transmitted to the wavelength-division multiplex
Device；In the present embodiment, we selected typical wavelength is the first optoisolator 3 of 1550nm, guarantees light one-way transmission, prevents in optical path
Light echo burns out device；
Second optoisolator 8 is connect with second Multichannel photoswitch 7, so that second Multichannel photoswitch 7
Output light one-way transmission.In the present embodiment, we selected typical wavelength is the second optoisolator 8 of 1550nm, guarantees that light unidirectionally passes
It is defeated, prevent light echo in optical path from burning out device；
The wavelength division multiplexer 4 is connect with the pump laser module 2 and the first optoisolator 3 respectively, will be pumped
The pump light and the second Multichannel photoswitch 7 is coupled by the signal light of optoisolator that laser module 2 generates；
In the present embodiment, first Multichannel photoswitch 5 and second Multichannel photoswitch 7 use mechanical optical switch
Or mems optical switch, 4 road photoswitches are at least set, use 1 × 8 tunnel of representative value, and described first in the present embodiment
Multichannel photoswitch 5 is equal with the photoswitch of second Multichannel photoswitch 7 setting number, and corresponds, first multichannel
Photoswitch 5 is connect with one end of a different length Er-doped fiber per photoswitch all the way, the other end of Er-doped fiber with it is described
The corresponding photoswitch of second Multichannel photoswitch 7 connects.
In the present embodiment, the length combination of the Er-doped fiber of the Er-doped fiber composite module 6 is according to stating the first multichannel
Photoswitch 5 and the selection of second Multichannel photoswitch 7 and fiber type, such as using long winged EDF1013 type, the er-doped light
Fine composite module 6 includes that the Er-doped fiber of 4m, the Er-doped fiber of 4.5m, the Er-doped fiber of 5m, the Er-doped fiber of 5.5m, 6m mix
Erbium optical fiber, the Er-doped fiber of 6.5m, the Er-doped fiber of 7m and 7.5m Er-doped fiber.
Embodiment 2:
As background technique is introduced, EDFA, which exists in the prior art, can not access goal systems on-the-spot test, online
The problem of design and it is time-consuming, at high cost, test is complicated the problems such as, a kind of multipurpose EDFA parameter fast optimal design is provided
Device and its production, application method.The present invention, which is realized, moves goal systems and scene for laboratory work, passes through host computer
Different pump powers and Er-doped fiber are chosen in control, directly determine the Er-doped fiber length and pump power of EDFA needs, and
On-line testing obtains practical application effect, and carries out the optimal customization of cost performance according to parameter designing.
In a kind of typical embodiment of the application, adopt the following technical scheme that
A kind of multipurpose EDFA parameter fast optimal design device production method, the production method are a kind of multi-purpose for making
Way EDFA parameter fast optimal design device, method includes the following steps:
(1) pump laser module 2 and the first optoisolator 3 are fused on wavelength division multiplexer 4 by optical fiber splicer；
In the step (1), the tail optical fiber length of pump laser module 2 is 0.5m；
First optoisolator, 3 two sides tail optical fiber length is respectively 0.5m, and it is FC/ that wherein signal light, which inputs one end fibre-optical splice,
APC or FC/UPC；
(2) wavelength division multiplexer 4 closes the input terminal that Shu Duan is fused to the first Multichannel photoswitch 5 by optical fiber splicer；
In the step (2), wavelength division multiplexer 4 and 5 weld of the first Multichannel photoswitch to device tail optical fiber length are 0.5m.
(3) Er-doped fiber of different length in Er-doped fiber composite module 6 is fused to the first Multichannel photoswitch 5 and second
Among Multichannel photoswitch 7, and correspond；
The output end of (4) second Multichannel photoswitchs 7 is fused to the second optoisolator 8 by optical fiber splicer；
In the step (4), the tail optical fiber length of the second Multichannel photoswitch 7 and the second optoisolator 8 is all 0.5m, the second light
Isolator light output one end fibre-optical splice is FC/APC or FC/UPC.
(5) host computer 1 controls the first multichannel light of pump laser module 2, Multichannel photoswitch module by serial ports respectively
Switch 5 and the second Multichannel photoswitch 7, control parameter are respectively in the pump power and access EDFA of pump laser module 2
The length of Er-doped fiber.
Embodiment 3:
As background technique is introduced, EDFA, which exists in the prior art, can not access goal systems on-the-spot test, online
The problem of design and it is time-consuming, at high cost, test is complicated the problems such as, a kind of multipurpose EDFA parameter fast optimal design is provided
Device and its production, application method.The present invention, which is realized, moves goal systems and scene for laboratory work, passes through host computer
Different pump powers and Er-doped fiber are chosen in control, directly determine the Er-doped fiber length and pump power of EDFA needs, and
On-line testing obtains practical application effect, and carries out the optimal customization of cost performance according to parameter designing.
In a kind of typical embodiment of the application, adopt the following technical scheme that
A kind of multipurpose EDFA parameter fast optimal design device application method, the application method are based on a kind of multipurpose
EDFA parameter fast optimal design device, the application method the following steps are included:
(1) a kind of multipurpose EDFA parameter fast optimal design device is linked into and carries out optical signal amplification using EDFA
In system, fixed pump power is in the present embodiment 975nm pumping, pump power 100mW using central wavelength；
And the length of different Er-doped fibers in EDFA is chosen by host computer 1, flown in the present embodiment using length
EDF1013 type Er-doped fiber, by host computer 1 choose EDFA in Er-doped fiber length be followed successively by 4m, 4.5m, 5m, 5.5m,
6m, 6.5m, 7m, 7.5m,
Recording light amplification effect respectively；
(2) 2 power of pump laser module is incremented by by host computer according to 100mW and is successively designed, repeated step (1)；
(3) test result is compared, under the premise of meeting the requirements, selects best cost performance, obtain best pump
Pu laser power value and Er-doped fiber length value, and specific aim EDFA production is carried out according to the data.
Compared with prior art, beneficial effects of the present invention:
(1) a kind of multipurpose EDFA parameter fast optimal design device of the invention, by Multichannel photoswitch by different length
The Er-doped fiber of degree is designed into the device, and pump laser power is adjustable, realizes multiple types combination through the invention
EDFA has different amplification effects, realizes multi-purpose machine, control is simple, easy to use；
(2) a kind of multipurpose EDFA parameter fast optimal design device of the invention and its production, application method, are actually answered
It, can be with due to stressing difference to EDFA light amplification performance requirement when with a kind of multipurpose EDFA parameter fast optimal design device
On-line testing is carried out on the spot by the device, assesses optimum efficiency, then optimal design parameter directly carries out EDFA production；
(3) a kind of multipurpose EDFA parameter fast optimal design device of the invention and its production, application method, designer
When member carries out different purposes EDFA design using a kind of multipurpose EDFA parameter fast optimal design device, high degree reduces real
The time that room is designed is tested, removes from and builds difference in laboratory test welding different length Er-doped fiber and adjusting pump power
EDFA process；
(4) a kind of multipurpose EDFA parameter fast optimal design device of the invention can be embedded in target application with real-time on-site
System carries out on-line testing, obtains best Er-doped fiber and pump power Optimal Parameters by host computer, then directly carries out special
The EDFA production for determining purposes, application effect is known that before the EDFA of special-purpose is not designed, reduces design experiment time and survey
Examination expense.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, and the foregoing is merely the application
Preferred embodiment, it is not intended to limit the protection scope of the present invention, and for those skilled in the art, the application can
To there is various modifications and variations.Those skilled in the art should understand that based on the technical solutions of the present invention, this field
Technical staff does not need to make the creative labor the various modifications that can be made, equivalent replacement or deformation still in protection of the invention
Within range.
Claims (10)
1. a kind of multipurpose EDFA parameter fast optimal design device, it is characterized in that: the device includes: host computer, pumping laser
Device module, two optoisolators, wavelength division multiplexer, Multichannel photoswitch module and Er-doped fiber composite module；
The host computer is connect with the pump laser module and Multichannel photoswitch module respectively, the PC control
The pump power of pump laser module, the Multichannel photoswitch module are connect with the Er-doped fiber composite module, it is described on
Position machine changes the Er-doped fiber that the Er-doped fiber composite module accesses the device by the control Multichannel photoswitch module
Length；
The wavelength division multiplexer is connect with the pump laser module and an optoisolator respectively, by pump laser
The pump light and Multichannel photoswitch module is coupled by the signal light of optoisolator that module generates；
The output end of the Multichannel photoswitch module is connect with another optoisolator.
2. a kind of multipurpose EDFA parameter fast optimal design device as described in claim 1, it is characterized in that: the host computer
It using industrial personal computer or computer, is connect by serial ports with the pump laser module, passes through serial ports or parallel port and the multichannel
Optical switch module.
3. a kind of multipurpose EDFA parameter fast optimal design device as described in claim 1, it is characterized in that: the pumping swashs
Light device module uses peak power output for the pump laser of 1.5W, wherein cardiac wave a length of 970~980nm or 1480nm,
Generate the pump light of EDFA.
4. a kind of multipurpose EDFA parameter fast optimal design device as described in claim 1, it is characterized in that: the multichannel light
Switch module includes the first Multichannel photoswitch and the second Multichannel photoswitch, first Multichannel photoswitch and the second multichannel light
Switch uses mechanical optical switch or mems optical switch, is at least arranged 4 road photoswitches, and first Multichannel photoswitch and
The photoswitch setting number of second Multichannel photoswitch is equal, and corresponds, first Multichannel photoswitch per all the way
Photoswitch is connect with one end of a different length Er-doped fiber, the other end of Er-doped fiber and second Multichannel photoswitch
Corresponding photoswitch connection.
5. a kind of multipurpose EDFA parameter fast optimal design device as described in claim 1, it is characterized in that: the er-doped light
Fine composite module includes that the Er-doped fiber of 4m, the Er-doped fiber of 4.5m, the Er-doped fiber of 5m, the Er-doped fiber of 5.5m, 6m mix
Erbium optical fiber, the Er-doped fiber of 6.5m, the Er-doped fiber of 7m and 7.5m Er-doped fiber.
6. a kind of multipurpose EDFA parameter fast optimal design device as claimed in claim 4, it is characterized in that: described two light
Isolator is respectively the first optoisolator and the second optoisolator, and first optoisolator is connect with the wavelength division multiplexer,
Signal light is one-way transmitted to the wavelength division multiplexer；
Second optoisolator is connect with second Multichannel photoswitch, so that the output light list of second Multichannel photoswitch
To transmission.
7. a kind of multipurpose EDFA parameter fast optimal design device production method, the production method is for making such as claim
A kind of any multipurpose EDFA parameter fast optimal design device of 1-6, method includes the following steps:
(1) pump laser module and the first optoisolator are fused on wavelength division multiplexer by optical fiber splicer；
(2) wavelength division multiplexer closes the input terminal that Shu Duan is fused to the first Multichannel photoswitch by optical fiber splicer；
(3) Er-doped fiber of different length in Er-doped fiber composite module is fused to the first Multichannel photoswitch and the second multichannel light
Switch is intermediate, and corresponds；
The output end of (4) second Multichannel photoswitchs is fused to the second optoisolator by optical fiber splicer；
(5) host computer controls pump laser module, Multichannel photoswitch module, control parameter point by serial ports or parallel port respectively
It Wei not the pump power of pump laser and the length of the Er-doped fiber in access EDFA.
8. a kind of multipurpose EDFA parameter fast optimal design device production method as claimed in claim 7, it is characterized in that: institute
It states in step (1), the tail optical fiber length of pump laser module is 0.5m；
First optoisolator two sides tail optical fiber length is respectively 0.5m, wherein signal light input one end fibre-optical splice be FC/APC or
FC/UPC。
9. a kind of multipurpose EDFA parameter fast optimal design device production method as claimed in claim 7, it is characterized in that: institute
It states in step (2), wavelength division multiplexer and the first Multichannel photoswitch weld to device tail optical fiber length are 0.5m；The step (4)
In, the tail optical fiber length of the second Multichannel photoswitch and the second optoisolator is all 0.5m, second optoisolator light output one end optical fiber
Connector is FC/APC or FC/UPC.
10. a kind of multipurpose EDFA parameter fast optimal design device application method, which is based on such as claim 1-6
A kind of any multipurpose EDFA parameter fast optimal design device, the application method the following steps are included:
(1) a kind of multipurpose EDFA parameter fast optimal design device is linked into the system for carrying out optical signal amplification using EDFA
In, fixed pump power, and pass through the length of different Er-doped fibers in host computer selection EDFA, difference recording light amplification effect；
(2) pump laser module power is incremented by by host computer according to 100mW and is successively designed, repeated step (1)；
(3) test result is compared, under the premise of meeting the requirements, selects best cost performance, obtained best pumping and swash
Optical power value and Er-doped fiber length value, and specific aim EDFA production is carried out according to the data.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114915344A (en) * | 2022-07-19 | 2022-08-16 | 北京中昱光通科技有限公司 | Design method and system of erbium-doped fiber amplifier |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1583186A1 (en) * | 2004-03-30 | 2005-10-05 | Fujitsu Limited | Optical amplifier and controlling method for Raman amplifier |
| CN101211087A (en) * | 2006-12-31 | 2008-07-02 | 华为技术有限公司 | Optical fibre amplifier and manufacture method and fiber communication system |
| CN101494499A (en) * | 2009-01-08 | 2009-07-29 | 上海交通大学 | Erbium-doped fiber amplifier of fiber-optical cable television network |
| CN206180370U (en) * | 2016-10-25 | 2017-05-17 | 无锡市德科立光电子技术有限公司 | Array optical fiber amplifier |
-
2017
- 2017-05-19 CN CN201710356805.3A patent/CN108957905A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1583186A1 (en) * | 2004-03-30 | 2005-10-05 | Fujitsu Limited | Optical amplifier and controlling method for Raman amplifier |
| CN101211087A (en) * | 2006-12-31 | 2008-07-02 | 华为技术有限公司 | Optical fibre amplifier and manufacture method and fiber communication system |
| CN101494499A (en) * | 2009-01-08 | 2009-07-29 | 上海交通大学 | Erbium-doped fiber amplifier of fiber-optical cable television network |
| CN206180370U (en) * | 2016-10-25 | 2017-05-17 | 无锡市德科立光电子技术有限公司 | Array optical fiber amplifier |
Non-Patent Citations (2)
| Title |
|---|
| BUMKI MIN等: "Coupled Structure for Wide-Band EDFA with Gain and Noise Figure Improvements from C to L-Band ASE Injection", 《IEEE PHOTONICS TECHNOLOGY LETTERS》 * |
| 肖涛: "掺铒光纤放大器的智能化设计及实现", 《中国优秀硕士学位论文全文数据库-信息科技辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114915344A (en) * | 2022-07-19 | 2022-08-16 | 北京中昱光通科技有限公司 | Design method and system of erbium-doped fiber amplifier |
| CN114915344B (en) * | 2022-07-19 | 2022-10-04 | 北京中昱光通科技有限公司 | Design method and system of erbium-doped fiber amplifier |
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Application publication date: 20181207 |