CN107526134A - Suitable for the multi-wavelength multiplex structure of technical field of optical fiber communication - Google Patents
Suitable for the multi-wavelength multiplex structure of technical field of optical fiber communication Download PDFInfo
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- CN107526134A CN107526134A CN201710599400.2A CN201710599400A CN107526134A CN 107526134 A CN107526134 A CN 107526134A CN 201710599400 A CN201710599400 A CN 201710599400A CN 107526134 A CN107526134 A CN 107526134A
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- laser chip
- multiplex
- collimation
- filter disc
- optical signal
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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
-
- 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
- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
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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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
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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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4251—Sealed packages
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses the multi-wavelength multiplex structure suitable for technical field of optical fiber communication, including transmitting terminal, output end, optical module, optical module fixing device, shell, transmitting terminal includes laser diode, laser chip group, pipe cap and the collimation lens set being sequentially connected, output end is the output port of optical signal, and optical module includes speculum group and multiplex filter disc group；Collimation lens set collimates to the divergencing laser light beam that laser chip group is sent respectively, forms four optical signals of collimated light beam；First multiplex filter disc carries out multiplex to the first optical signal λ 1, the second optical signal λ 2, and the second multiplex filter disc carries out multiplex to the 3rd optical signal λ 3, the 4th optical signal λ 4, and the 3rd multiplex filter disc is multiplexed together four optical signals, is exported from output end.The present invention is distributed using the space multistory of multi-chip, is coordinated the space multistory distribution of multiplex filter disc and speculum, can be used simple process, with lower cost, realizes the multi-wavelength multiplex in extra small space.
Description
Technical field
The present invention relates to be applied to optical-fibre communications in technical field of optical fiber communication, more particularly to technical field of optical fiber communication
The multi-wavelength multiplex structure of technical field.
Background technology
Because optical-fibre communications is quickly grown, with the lifting of simple optical fiber transmission capacity requirements, such as video image is in void
Intend the real-time Transmission in real (VR) and augmented reality (AR), directly require the maximum width for utilizing optical fiber.Wavelength-division multiplex (WDM)
Technology is one of key technology for improving transmission capacity.The wdm system multiple optical signals different from each other to each wavelength are carried out
Multiplexing.In recent years, it is desirable to the WDMization of optical module, for example, as the difference for being sent with combination from multiple light sources
The optical signal of wavelength and carry out the TOSA of the optical module of the light emission component of wavelength multiplexing, it is known that have by four receiving
The TOSA that LD (laser diode) CAN packaging parts form a line and configured to equidirectional.On the other hand, in recent years, it is desirable to
The further miniaturization of the optical modules such as light transmitter receiver.Such as, it is desirable to the optical fiber being connected with corresponding to 40~100GbE
Transmitter receiver specification be corresponding to QSFP+ (Quad Small Form-factor Pluggable Plus) small light receive
Send out machine dual-purpose, especially require WDM small light transmitter receiver.In QSFP standards, it is 1270nm to wavelength of optical signal to be,
1290nm, 1310nm and 1330nm four wavelength carry out multiplex and partial wave utilizes.
Currently just in the LAN-WDM standards of practical use in batch, to have respectively transmission speed that each wavelength is 25Gbps and
Wavelength interval is that 800GHz four optical signals are multiplexed, to realize 100Gbps transmission capacity.Corresponding optical signal
Wavelength be 1295.56nm, 1300.05nm, 1304.58nm, 1309.14nm.Optical transceiver specified in LAN-WDM, which has, abides by
Follow the external dimensions of CFP (100G plug types) multi-source agreements (MSA).But, it is also very desirable to further reduce optical transceiver
Size and cost, to install optical transceiver to high-density in a communications device.
In further high rate data transmission module standard, there is the multiplexing for 8 wavelength that wavelength interval is about 800GHz, each
Wavelength is responsible for 50Gbps transmission rate, realizes 400Gbps transmission capacity altogether.Further in the standard of discussion,
There is the multiplex protocol of 10 wavelength and 16 wavelength.
At present, it is single in the laser chip of four different wave length optical signals in the optical module of existing multi-wavelength multiplex
To be placed with plane when being solely encapsulated in respective diode, and applying so that cause the space that integrally takes compared with
Greatly, the volume for the multiplex device being finally completed will be bigger.
The content of the invention
It is an object of the invention to provide the multi-wavelength multiplex structure suitable for technical field of optical fiber communication, is swashed using multiple
The arrangement of optical chip and optical element on space multistory, the debugging coupling of multiple directions can be realized so that in tight space
The inside, multi-wavelength multiplex can be realized, there is greater compactness of space, lower cost, and can the advantage such as multi-stage cascade.
The present invention is achieved through the following technical solutions：
Suitable for the multi-wavelength multiplex structure of technical field of optical fiber communication, including transmitting terminal, output end, optical module, light
Component fixing device, shell are learned, transmitting terminal includes laser diode, laser chip group, pipe cap and the collimation lens being sequentially connected
Group, output end are the output ports of optical signal, and optical module includes speculum group and multiplex filter disc group；
Laser chip group includes first laser chip, second laser chip, the 3rd laser chip, the 4th laser chip, accurate
Straight lens group includes collimating positive lens groups, and collimation positive lens groups include the first collimation positive lens, the second collimation positive lens, the 3rd standard
Straight positive lens, the 4th collimation positive lens, it is anti-that speculum group includes the first speculum, the second speculum, the 3rd speculum and the 4th
Mirror is penetrated, multiplex filter disc group includes the first multiplex filter disc, the second multiplex filter disc and the 3rd multiplex filter disc；
First laser chip, second laser chip, the 3rd laser chip, the 4th laser chip have ripple different from each other
It is long；
First laser chip, second laser chip, the 3rd laser chip, the 4th laser chip are encapsulated in same laser two
In pole pipe；
First collimation positive lens, the second collimation positive lens, the 3rd collimation positive lens, the 4th collimation positive lens are respectively to first
The divergencing laser light beam that laser chip, second laser chip, the 3rd laser chip, the 4th laser chip are sent is collimated, shape
Into the first optical signal λ 1 of collimated light beam, the second optical signal λ 2, the 3rd optical signal λ 3, the 4th optical signal λ 4；
First multiplex filter disc carries out multiplex to the first optical signal λ 1, the second optical signal λ 2 and produces the first multiplexing light letter
Number；
Second multiplex filter disc carries out multiplex to the 3rd optical signal λ 3, the 4th optical signal λ 4 and produces the second multiplexing light letter
Number；
3rd multiplex filter disc is multiplexed the first optical signal λ 1, the second optical signal λ 2, the 3rd optical signal λ 3, the 4th optical signal λ 4
Together, exported from output end.
Further, the first laser chip, second laser chip, the 3rd laser chip, the distribution of the 4th laser chip
In same plane.
Further, the first laser chip, second laser chip, the 3rd laser chip, the distribution of the 4th laser chip
Mode is distributed for space multistory.
Further, the first collimation positive lens, the second collimation positive lens, the 3rd collimation positive lens, the 4th collimate just
Lens packages are on the pipe cap of laser diode or laser diode pipe cap is encapsulated using flat window diaphragm, and collimation is saturating
Microscope group is external to be fixed on corresponding laser chip outgoing position or laser diode pipe cap is sealed using flat window diaphragm
Fill, be fixed on built in collimation lens set on corresponding laser chip outgoing position.
Further, the collimation lens set also includes being connected to the collimation negative lens group after collimation positive lens groups, accurate
Straight positive lens groups are first focused to divergencing laser light beam, then are collimated by collimating negative lens group, the first collimation positive lens,
Second collimation positive lens, the 3rd collimation positive lens, the 4th collimation positive lens side are respectively arranged with the first collimation negative lens, second
Collimation negative lens, the 3rd collimation negative lens, the 4th collimation negative lens, the first collimation positive lens, the second collimation positive lens, the 3rd standard
Straight positive lens, the 4th collimation positive lens are first focused to divergencing laser light beam, then pass through the first collimation negative lens, the second collimation
Negative lens, the 3rd collimation negative lens, the 4th collimation negative lens are collimated, and are collimated positive and negative lens combination and are collimated, are advantageous to
Coupling debugging, the collimation of laser beam can also be that collimation positive lens groups directly collimate to divergencing laser light beam.
Further, the first multiplex filter disc, the second multiplex filter disc use wavelength-division multiplex filter disc or polarized composite wave filter disc,
3rd multiplex filter disc is using wavelength-division multiplex filter disc or polarization wavelength-division multiplex filter disc.
Further, the first multiplex filter disc is arranged near first laser chip and second laser chip, and described
Two multiplex filter discs are arranged near the 3rd laser chip and the 4th laser chip, realize multiplex nearby, then again by collimating just
Lens group or the positive and negative lens combination of collimation are collimated, and now a collimation lens can be to the output beam of two-way laser chip
Collimated.
The advantage of the invention is that：
1st, the multi-wavelength multiplex structure suitable for technical field of optical fiber communication of the invention, laser chip group is encapsulated in same
It can be the distribution of face battle array in individual laser diode, can also be encapsulated according to specific design and require to carry out space multistory distribution, can be with
Directly collimation lens set is encapsulated on the pipe cap of laser diode or laser diode pipe cap uses flat window diaphragm
Encapsulation, collimation lens set is external to be fixed on corresponding outgoing position or laser diode pipe cap uses flat window diaphragm
Encapsulation, it is fixed on corresponding laser chip outgoing position built in collimation lens set, distribution mode is flexible, and a variety of packaged types can be with
Realize the debugging coupling of multiple directions.
2nd, the multi-wavelength multiplex structure suitable for technical field of optical fiber communication of the invention, is collimated to laser beam
When, collimation positive lens groups can be made first to be focused to divergencing laser light beam, then collimated by collimating negative lens group, use
Positive and negative lens combination is collimated, and advantageously couples debugging.
3rd, the multi-wavelength multiplex structure suitable for technical field of optical fiber communication of the invention, the first multiplex filter disc are arranged on the
Near one laser chip and second laser chip, the second multiplex filter disc is arranged on the 3rd laser chip and the 4th laser chip
Near, multiplex is realized nearby, is then collimated again by collimating positive lens groups or the positive and negative lens combination of collimation, now a standard
Straight lens can collimate to the output beam of two-way laser chip.
4th, the multi-wavelength multiplex structure suitable for technical field of optical fiber communication of the invention, utilizes multiple laser chips and light
Arrangement of the element on space multistory is learned, the debugging coupling of multiple directions can be realized so that inside tight space, Neng Goushi
Existing multi-wavelength multiplex.With greater compactness of space, lower cost, and can the advantage such as multi-stage cascade.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
A kind of existing optical module principle schematics of multi-wavelength multiplex of Fig. 1；
A kind of band temperature control diode pedestal of multi-chip package of Fig. 2 embodiment of the present invention；
Each component space of the multi-wavelength multiplex structure suitable for technical field of optical fiber communication of Fig. 3 embodiment of the present invention point
Cloth schematic diagram；
The optical schematic diagram of the multi-wavelength multiplex structure suitable for technical field of optical fiber communication of Fig. 4 embodiment of the present invention；
The multi-wavelength multiplex constructional appearance figure suitable for technical field of optical fiber communication of Fig. 5 embodiment of the present invention；
A kind of diode with collimation lens pipe cap of multi-chip package of Fig. 6 embodiment of the present invention；
The divergent beams collimation schematic diagram that simple lens is sent to laser chip in Fig. 7 embodiment of the present invention；
A kind of external collimation negative lens of diode band of multi-chip package of Fig. 8 embodiment of the present invention；
The divergent beams collimation schematic diagram that positive and negative lens combination is sent to laser chip in Fig. 9 embodiment of the present invention；
A kind of diode of the flat window pipe cap of band of multi-chip package of Figure 10 embodiment of the present invention；
A collimation lens carries out collimation schematic diagram to the output beam of two-way laser chip in Figure 11 embodiment of the present invention.
Mark and corresponding parts title in accompanying drawing：
1- transmitting terminals, 11- laser diodes, 13- pipe caps, 2- output ends, 3- optical modules, 4- optical modules fix dress
Put, 5- shells, 121- first laser chips, 122- second laser chips, the laser chips of 123- the 3rd, the laser cores of 124- the 4th
Piece, 141- first collimate positive lens, and 142- second collimates positive lens, and 143- the 3rd collimates positive lens, and the collimations of 144- the 4th are just saturating
Mirror, 151- first collimate negative lens, and 152- second collimates negative lens, and 153- the 3rd collimates negative lens, and the collimations of 154- the 4th are negative saturating
Mirror, the speculums of 311- first, the speculums of 312- second, the speculums of 313- the 3rd, the speculums of 314- the 4th, the filter of the multiplex of 321- first
Piece, 322- the second multiplex filter discs, the multiplex filter discs of 323- the 3rd, 61- the first wavelength-division multiplex diaphragms, 62- the second wavelength-division multiplex diaphragms,
The wavelength-division multiplex diaphragms of 63- the 3rd, the wavelength-division multiplex diaphragms of 64- the 4th.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in figure 1, the present invention is a kind of optical module of existing multi-wavelength multiplex, by 4 four λ 1, λ 2, λ 3, λ ripples
Four long optical signal multiplexers, the wavelength channels of λ 1 reach the second wavelength-division and answered after the reflection of the first wavelength-division multiplex diaphragm 61
With diaphragm 62, the second wavelength-division multiplex diaphragm 62 multiplexing wavelength channels of λ 2 and the wavelength channels of λ 1, are the wavelength channels of 1 λ of λ 2, the
Three wavelength-division multiplex diaphragms 63 are multiplexed the wavelength channels of λ 3 and the wavelength channels of 1 λ of λ 2, are the wavelength channels of 1 λ of λ, 2 λ 3, the 4th wavelength-division
It is multiplexed diaphragm 64 and is multiplexed the wavelength channels of λ 4 and the wavelength channels of 1 λ of λ, 2 λ 3, is the wavelength channels of 3 λ of λ 1 λ, 2 λ 4, finally by four
Optical signal is multiplexed together, because the laser chip of four different wave length optical signals is individually encapsulated in respective diode,
And when applying placed with plane, so that cause the space that integrally takes larger, the multiplex device being finally completed
Volume will be bigger.
Embodiment 2
As shown in Fig. 2~Fig. 5, it is applied to the multi-wavelength multiplex structure of technical field of optical fiber communication, including hair for the present invention
End 1, output end 2, optical module 3, optical module fixing device 4, shell 5 are penetrated, transmitting terminal 1 includes the pole of laser two being sequentially connected
Pipe 11, laser chip group, pipe cap 13 and collimation lens set, output end 2 are the output ports of optical signal, and optical module 3 includes anti-
Penetrate microscope group and multiplex filter disc group；Laser chip group includes first laser chip 121, second laser chip 122, the 3rd laser chip
123rd, the 4th laser chip 124, collimation lens set include collimation positive lens groups, and collimation positive lens groups include the first collimation positive lens
141st, the second collimation positive lens the 142, the 3rd collimates positive lens the 143, the 4th and collimates positive lens 144, and it is anti-that speculum group includes first
Mirror 311, the second speculum 312, the 3rd speculum 313 and the 4th speculum 314 are penetrated, multiplex filter disc group includes the first multiplex filter disc
321st, the second multiplex filter disc 322 and the 3rd multiplex filter disc 323；
As shown in Figure 2 and Figure 3, the first laser chip 121 of the laser chip group of transmitting terminal 1, second laser chip 122,
Three laser chips 123, the space multistory of the 4th laser chip 124 are distributed on laser diode 11.The first of collimation lens set is accurate
Straight positive lens 141, second collimates positive lens the 142, the 3rd and collimates the collimation positive lens 144 space multistory distribution of positive lens the 143, the 4th
In on the pipe cap 13 of laser diode 11.λ 1 that laser chip group is sent, λ 2, λ 3, the divergent beams point of 4 four different wave lengths of λ
The first collimation positive lens 141, second not Jing Guo collimation lens set collimates positive lens the 142, the 3rd and collimates positive lens the 143, the 4th
It is changed into focus on light beam after collimation positive lens 144；Focus on light beam again by collimate negative lens group the first collimation negative lens 151, the
It is collimated light beam that two collimation negative lenses the 152, the 3rd, which collimate negative lens the 153, the 4th and collimate the collimation of negative lens 154,.
As shown in figure 4, the wavelength collimated light beams of λ 1 that first laser chip 121 is sent reflected by the first speculum 311 after to
Up to the first multiplex filter disc 321, reflected by the first multiplex filter disc 321, the wavelength collimated light beams of λ 2 that second laser chip 122 is sent by
First multiplex filter disc 321 is transmitted, therefore λ 1 and the wavelength light beams of λ 2 are multiplexed together by the first multiplex filter disc 321；4th laser core
The wavelength collimated light beams of λ 4 that piece 124 is sent reach the second multiplex filter disc 322 after being reflected by the first speculum 311, by the second multiplex
Filter disc 322 is reflected, and the wavelength collimated light beams of λ 3 that the 3rd laser chip 123 is sent are transmitted by the second multiplex filter disc 322, therefore second
λ 3 and the wavelength light beams of λ 4 are multiplexed together by multiplex filter disc 322；The wavelength multiplexing light beams of 1 λ of λ 2 reach the second speculum 312, by the
Two-mirror 312 reaches the 3rd multiplex filter disc 323 after reflecting, and is reflected by the 3rd multiplex filter disc 323, the wavelength multiplexing light beams of 3 λ of λ 4 arrive
Up to the 3rd speculum 313, the 4th speculum 314 is reached after being reflected by the 3rd speculum 313, after being reflected by the 4th speculum 314
The 3rd multiplex filter disc 323 is reached, is transmitted by the 3rd multiplex filter disc 323, therefore the 3rd multiplex filter disc 323 is by λ 1, λ 2, λ 3 and λ 4 four
The optical signal beam multiplex of individual different wave length is multiplexed together by the Rreceive output of output end 2.
Embodiment 3
The present invention is on the basis of embodiment 2, and the present invention is further illustrated.
As shown in fig. 6, the pipe cap 13 of the laser diode 11 of transmitting terminal 1 is the pipe cap with lens, collimation lens set can be with
It is that simple lens directly collimates to divergencing laser light beam, the first collimation collimation of positive lens 141, second of collimation lens set is just saturating
Mirror the 142, the 3rd collimates positive lens the 143, the 4th and collimates the pipe cap 13 that the space multistory of positive lens 144 is distributed in laser diode 11
On, optical principle is as shown in fig. 7, select first laser chip 121 therein to come for example, what first laser chip 121 was sent
Divergent beams are changed into collimated light beam after the first collimation positive lens 141.
Embodiment 4
The present invention is on the basis of embodiment 2, and the present invention is further illustrated.
As shown in figure 8, collimation lens set is collimated using positive and negative lens combination, debugging, collimation lens are advantageously coupled
Group includes collimating positive lens groups and collimates negative lens group, and the first collimation collimation of positive lens 141, second for collimating positive lens groups is just saturating
Mirror the 142, the 3rd collimates positive lens the 143, the 4th and collimates the pipe cap 13 that the space multistory of positive lens 144 is distributed in laser diode 11
On, the first collimation negative lens 151, second for collimating negative lens group collimates the standard of the collimation of negative lens the 152, the 3rd negative lens the 153, the 4th
The straight space multistory of negative lens 154 is distributed in outside the pipe cap 13 of laser diode 11, and optical principle is as shown in figure 9, select therein the
One laser chip 121 comes for example, the divergent beams that first laser chip 121 is sent become after the first collimation positive lens 141
For focus on light beam, focus on light beam is again collimated light beam by the first collimation collimation of negative lens 151.
Embodiment 5
The present invention is on the basis of embodiment 2, and the present invention is further illustrated.
As shown in Figure 10, the pipe cap 13 of the laser diode 11 of transmitting terminal 1 is encapsulated using flat window diaphragm, collimation lens set
It is external to be fixed on corresponding outgoing position, built-in it can also be fixed on corresponding laser chip outgoing position, collimation lens set can be with
It is simple lens group, as shown in Figures 6 and 7 or positive and negative lens combination, as shown in FIG. 8 and 9.
Embodiment 6
The present invention is on the basis of embodiment 2, and the present invention is further illustrated.
As shown in figure 11, the first multiplex filter disc 321, the second multiplex filter disc 322 be placed on nearby first laser chip 121,
Near the laser chip 123 of second laser chip 122 and the 3rd, the 4th laser chip 124, multiplex is realized nearby, is then passed through again
Collimation lens set is collimated.Now a collimation lens can collimate to the output beam of two-way laser chip.First
The divergent beams that laser chip 121 and second laser chip 122 are sent close after the first multiplex filter disc 321 transmits and reflects respectively
Beam exports, and divergent beams are changed into collimated light beam after the first collimation lens 141.Using this multiplex mode, similarly, transmitting terminal 1
Laser diode pipe cap can be that the pipe cap with lens can also be that flat window diaphragm pipe cap is as shown in Figure 10 as shown in Figure 6.
When transmitting terminal 1 is the pipe cap with lens, collimation lens set is packaged on pipe cap；When transmitting terminal 1 is flat window diaphragm pipe cap, collimation
External be fixed on corresponding outgoing position of lens group built-in can be also fixed on corresponding outgoing position.Collimation lens set can be single
Lens group as shown in Figures 6 and 7 or positive and negative lens combination as shown in FIG. 8 and 9.
Embodiment 7
The present invention is on the basis of embodiment 2, and the present invention is further illustrated.
As shown in Fig. 3,4,5, in order to which output light is adjusted into suitable outgoing position, the first speculum 311, second is used
Speculum 312, the 3rd speculum 313 and the 4th speculum 314 adjust the outbound course of multiplexed beam and position, therefore,
In specific implementation process, the position using speculum and quantity can be determined according to 2 specific specification requirement of output end, or
Use sidesway prism.
Embodiment above, the purpose of the present invention, technical scheme and beneficial effect are carried out further in detail
Illustrate, should be understood that the embodiment that these are only the present invention, the protection model being not intended to limit the present invention
Enclose, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., should be included in the present invention
Protection domain within.
Claims (7)
1. suitable for the multi-wavelength multiplex structure of technical field of optical fiber communication, it is characterised in that：Including transmitting terminal (1), output end
(2), optical module (3), optical module fixing device (4), shell (5), transmitting terminal (1) include the laser diode being sequentially connected
(11), laser chip group, pipe cap (13) and collimation lens set, the output end (2) are the output ports of optical signal, optical module
(3) speculum group and multiplex filter disc group are included；
The laser chip group include first laser chip (121), second laser chip (122), the 3rd laser chip (123),
4th laser chip (124), the collimation lens set include collimation positive lens groups, and it is just saturating that collimation positive lens groups include the first collimation
Mirror (141), the second collimation positive lens (142), the 3rd collimation positive lens (143), the 4th collimation positive lens (144), the reflection
Microscope group includes the first speculum (311), the second speculum (312), the 3rd speculum (313) and the 4th speculum (314), described
Multiplex filter disc group includes the first multiplex filter disc (321), the second multiplex filter disc (322) and the 3rd multiplex filter disc (323)；
The first laser chip (121), second laser chip (122), the 3rd laser chip (123), the 4th laser chip
(124) there is wavelength different from each other；
The first laser chip (121), second laser chip (122), the 3rd laser chip (123), the 4th laser chip
(124) it is inner to be encapsulated in same laser diode (11)；
The first collimation positive lens (141), the second collimation positive lens (142), the 3rd collimation positive lens (143), the 4th collimation
Positive lens (144) swashs to first laser chip (121), second laser chip (122), the 3rd laser chip (123), the 4th respectively
The divergencing laser light beam that optical chip (124) is sent is collimated, and forms the first optical signal (λ 1), the second optical signal of collimated light beam
(λ 2), the 3rd optical signal (λ 3), the 4th optical signal (λ 4)；
The first multiplex filter disc (321) carries out multiplex to the first optical signal (λ 1), the second optical signal (λ 2) and produces the first multichannel
Multiplexing optical signal；
The second multiplex filter disc (322) carries out multiplex to the 3rd optical signal (λ 3), the 4th optical signal (λ 4) and produces the second multichannel
Multiplexing optical signal；
The 3rd multiplex filter disc (323) is the first optical signal (λ 1), the second optical signal (λ 2), the 3rd optical signal (λ 3), the 4th
Optical signal (λ 4) is multiplexed together, and is exported from output end (2).
2. the multi-wavelength multiplex structure according to claim 1 suitable for technical field of optical fiber communication, it is characterised in that：Institute
State first laser chip (121), second laser chip (122), the 3rd laser chip (123), the distribution of the 4th laser chip (124)
In same plane.
3. the multi-wavelength multiplex structure according to claim 1 suitable for technical field of optical fiber communication, it is characterised in that：Institute
State first laser chip (121), second laser chip (122), the 3rd laser chip (123), the distribution of the 4th laser chip (124)
Mode is distributed for space multistory.
4. the multi-wavelength multiplex structure according to claim 1 suitable for technical field of optical fiber communication, it is characterised in that：Institute
State the first collimation positive lens (141), the second collimation positive lens (142), the 3rd collimation positive lens (143), the 4th collimation positive lens
(144) it is encapsulated on the pipe cap (13) of laser diode (11).
5. the multi-wavelength multiplex structure according to claim 1 suitable for technical field of optical fiber communication, it is characterised in that：Institute
Stating collimation lens set also includes being arranged on the collimation negative lens group after collimation positive lens groups, and collimation positive lens groups first swash to dissipating
Light light beam is focused, then collimated by collimating negative lens group.
6. the multi-wavelength multiplex structure according to claim 1 suitable for technical field of optical fiber communication, it is characterised in that：Institute
State the first multiplex filter disc (321), the second multiplex filter disc (322) uses wavelength-division multiplex filter disc or polarized composite wave filter disc, the 3rd multiplex
Filter disc (323) is using wavelength-division multiplex filter disc or polarization wavelength-division multiplex filter disc.
7. the multi-wavelength multiplex structure according to claim 1 suitable for technical field of optical fiber communication, it is characterised in that：Institute
State the first multiplex filter disc (321) to be arranged near first laser chip (121) and second laser chip (122), described second closes
Ripple filter disc (322) is arranged near the 3rd laser chip (123) and the 4th laser chip (124).
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| CN111025484A (en) * | 2019-10-30 | 2020-04-17 | 宁波环球广电科技有限公司 | Multichannel miniature wavelength division multiplexing high-speed optical device |
| CN111308619A (en) * | 2020-01-20 | 2020-06-19 | 武汉联特科技有限公司 | Light emitting device and coupling method thereof |
| CN111367030A (en) * | 2020-04-24 | 2020-07-03 | 苏州伽蓝致远电子科技股份有限公司 | Optical communication composite wave tube shell, passive component and optical module |
| CN112285846A (en) * | 2019-07-22 | 2021-01-29 | 青岛海信宽带多媒体技术有限公司 | Optical transceiving submodule and optical module |
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| CN104808299A (en) * | 2015-05-08 | 2015-07-29 | 福州宏旭科技有限公司 | Multi-wavelength component for fiber optic communication |
| CN205427248U (en) * | 2016-02-19 | 2016-08-03 | 深圳新飞通光电子技术有限公司 | Take emission of light subassembly, opto -receiver module and optical module of aimer |
| CN105891960A (en) * | 2016-06-24 | 2016-08-24 | 福州百讯光电有限公司 | Polarized wavelength-division multiplexing optical module and implementation method thereof |
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| CN104808299A (en) * | 2015-05-08 | 2015-07-29 | 福州宏旭科技有限公司 | Multi-wavelength component for fiber optic communication |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112285846A (en) * | 2019-07-22 | 2021-01-29 | 青岛海信宽带多媒体技术有限公司 | Optical transceiving submodule and optical module |
| CN111025484A (en) * | 2019-10-30 | 2020-04-17 | 宁波环球广电科技有限公司 | Multichannel miniature wavelength division multiplexing high-speed optical device |
| CN111308619A (en) * | 2020-01-20 | 2020-06-19 | 武汉联特科技有限公司 | Light emitting device and coupling method thereof |
| CN111308619B (en) * | 2020-01-20 | 2022-04-15 | 武汉联特科技股份有限公司 | Light emitting device and coupling method thereof |
| CN111367030A (en) * | 2020-04-24 | 2020-07-03 | 苏州伽蓝致远电子科技股份有限公司 | Optical communication composite wave tube shell, passive component and optical module |
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