CN104967485A - Optical transmission assembly - Google Patents
Optical transmission assembly Download PDFInfo
- Publication number
- CN104967485A CN104967485A CN201510263762.5A CN201510263762A CN104967485A CN 104967485 A CN104967485 A CN 104967485A CN 201510263762 A CN201510263762 A CN 201510263762A CN 104967485 A CN104967485 A CN 104967485A
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- Prior art keywords
- light
- transmitter
- optical
- receiving
- receiving transmitter
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses an optical transmission assembly comprising a first optical receiver-transmitter suitable for transmitting or receiving optical signals, a second optical receiver-transmitter suitable for receiving or transmitting optical signals, a first converter suitable for converting the optical signals transmitted from the first optical receiver-transmitter and then transmitting converted optical signals to a transmission fiber, or receiving optical signals transmitted from the transmission fiber, a second converter suitable for converting the optical signals transmitted from the second optical receiver-transmitter and then transmitting converted optical signals to the transmission fiber, or receiving optical signals transmitted from the transmission fiber, and a reception-transmission switching controller suitable for outputting a reception-transmission switching control signal in order to control the first optical receiver-transmitter and the second optical receiver-transmitter to switch between receiving and transmitting states for enabling the first optical receiver-transmitter and the second optical receiver-transmitter to simultaneously operate in a receiving or transmitting state. According to the optical transmission assembly, since each of both ends of a transmission link is provided with the optical receiver-transmitter and the optical receiver-transmitters are controlled by the reception-transmission switching controller to switch between receiving and transmitting states, fiber utilization rate is improved and investment cost of optical communication is reduced.
Description
Technical field
The invention belongs to technical field of photo communication, be specifically related to a kind of optical transmission module.
Background technology
Along with the development of optical communication technique, people more and more pay attention to the optimization to fiber optic network, give full play to the high speed of Optical Fiber Transmission, Large Copacity advantage, so optical fiber technology is applied more and more extensive in the communications.Existing optical transmission system generally comprises optical sender, Transmission Fibers and optical receiver, also needs light relay equipment for long range propagation, in order to improve the performance of system, also needs to increase the devices such as dispersion compensation.Because the two ends of current Transmission Fibers can only provide the upper and lower of a direction, so most optical fiber is all used to do one-way transmission, fiber utilization is reduced, improve the cost of optical communication.But the present inventor finds through research, and in fact, light can carry out transmitted in both directions in same optical fiber.
Summary of the invention
For the technical problem that prior art exists, the invention provides a kind of can the optical transmission module of transmitted in both directions, make full use of existing fiber resource and carry out the network optimization, improve the utilance of optical fiber, thus reduce the input cost of optical communication.
To achieve these goals, the present invention adopts following technical scheme:
A kind of optical transmission module, comprises the first light-receiving transmitter, the second light-receiving transmitter, the first transducer, the second transducer, Transmission Fibers and Transmit enable controller; Wherein,
Described first light-receiving transmitter is suitable for utilizing emitted light signal or receiving optical signals, and accordingly, described second light-receiving transmitter is suitable for receiving optical signals or utilizing emitted light signal;
Described first transducer is transferred to described Transmission Fibers, or receives the light signal transmitted from described Transmission Fibers after being suitable for the light signal conversion sent by described first light-receiving transmitter, and is input to described first light-receiving transmitter reception;
Described second transducer is transferred to described Transmission Fibers, or receives the light signal transmitted from described Transmission Fibers after being suitable for the light signal conversion sent by described second light-receiving transmitter, and is input to described second light-receiving transmitter reception;
Described Transmit enable controller is suitable for exporting transceiving switch-over control signal, to control described first light-receiving transmitter and the second light-receiving transmitter carries out reiving/transmitting state switching, to work in receipts state or hair-like state simultaneously.
In optical transmission module provided by the invention, owing to respectively adopting a light-receiving transmitter at transmission link two ends, and carry out reiving/transmitting state switching by the light-receiving transmitter at Transmit enable controller control two ends, make it work in receipts state or hair-like state simultaneously, thus realize the transmitted in both directions of light in same Transmission Fibers, decrease the quantity that transmitting-receiving two-end uses transmitter or receiver, improve the utilance of optical fiber, reduce the cost of investment of optical communication.
Further, described first light-receiving transmitter and the first transducer are integrated into an electro-optical device, and described second light-receiving transmitter and the second transducer are integrated into another electro-optical device.
Further, the transceiving switch-over control signal that described Transmit enable controller exports is one-bit digital level signal.
Further, the model that described Transmit enable controller adopts ALTERA company to produce is the chip of EPM570T100I5.
Accompanying drawing explanation
Fig. 1 is the theory structure schematic diagram of optical transmission module provided by the invention.
In figure, the 1, first light-receiving transmitter; 2, the second light-receiving transmitter; 3, the first transducer; 4, the second transducer; 5, Transmission Fibers; 6, Transmit enable controller.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
Please refer to shown in Fig. 1, a kind of optical transmission module, comprise the first light-receiving transmitter 1, second light-receiving transmitter 2, first transducer 3, second transducer 4, Transmission Fibers 5 and Transmit enable controller 6; Wherein,
Described first light-receiving transmitter 1 is suitable for utilizing emitted light signal or receiving optical signals, and accordingly, described second light-receiving transmitter 2 is suitable for receiving optical signals or utilizing emitted light signal;
After the light signal conversion that described first transducer 3 is suitable for described first light-receiving transmitter 1 to send, be transferred to described Transmission Fibers 5, or receive the light signal transmitted from described Transmission Fibers 5, and be input to described first light-receiving transmitter 1 and receive;
After the light signal conversion that described second transducer 4 is suitable for described second light-receiving transmitter 2 to send, be transferred to described Transmission Fibers 5, or receive the light signal transmitted from described Transmission Fibers 5, and be input to described second light-receiving transmitter 2 and receive;
Described Transmit enable controller 6 is suitable for exporting transceiving switch-over control signal, to control described first light-receiving transmitter 1 and the second light-receiving transmitter 2 carries out reiving/transmitting state switching, to work in receipts state or hair-like state simultaneously.
In optical transmission module provided by the invention, owing to respectively adopting a light-receiving transmitter at transmission link two ends, and carry out reiving/transmitting state switching by the light-receiving transmitter at Transmit enable controller control two ends, make it work in receipts state or hair-like state simultaneously, thus realize the transmitted in both directions of light in same Transmission Fibers, decrease the quantity that transmitting-receiving two-end uses transmitter or receiver, improve the utilance of optical fiber, reduce the cost of investment of optical communication.
Particularly, as shown in Figure 1, one end of described optical transmission module is comprised the first light transmitter-receiver 1, first light transmitter-receiver 1 and is connected with Transmission Fibers 5 by the first transducer 3; The other end is comprised the second light transmitter-receiver 2, second light transmitter-receiver 2 too and is connected with Transmission Fibers 5 by the second transducer 4.The effect of described first transducer 3 is that the light signal sent by the first light transmitter-receiver 1 is after the first transducer 3, is transferred to Transmission Fibers 5, and by the light signal that Transmission Fibers 5 transmits, is input to the first light-receiving transmitter 1 and receives.Equally, the effect of described second transducer 4 is that the light signal sent by the second light transmitter-receiver 2 is after the second transducer 4, is transferred to Transmission Fibers 5, and by the light signal that Transmission Fibers 5 transmits, is input to the second light-receiving transmitter 2 and receives.Like this, by respectively adopting a light-receiving transmitter at transmission link two ends, realize two transmission channels that optical transmission module of the present invention comprises, and carry out reiving/transmitting state switching by the light-receiving transmitter at Transmit enable controller control two ends, make it work in receipts state or hair-like state simultaneously, thus realize the transmitted in both directions of light in same Transmission Fibers, decrease the quantity that transmitting-receiving two-end uses transmitter or receiver, improve the utilance of optical fiber, reduce the cost of investment of optical communication.
As specific embodiment, described first light-receiving transmitter 1 and the first transducer 3 are integrated into an electro-optical device, described second light-receiving transmitter 2 and the second transducer 4 are integrated into another electro-optical device, and namely described first transducer both can together with doing with the first light-receiving transmitter held; Certainly, together with described second transducer both can do with same the second light-receiving transmitter held, also can separately independent of outside the first light-receiving transmitter, the second light-receiving transmitter.Relative to existing unidirectional transmission system, then only need existing optical sender or optical receiver to replace to a light-receiving transmitter, and then carry out with the transducer of correspondence respectively integratedly can realizing the present invention.Adopt this integration mode to combine, the combined efficiency of investor can be improved.
As specific embodiment, the transceiving switch-over control signal that described Transmit enable controller 6 exports is one-bit digital level signal.Particularly, described Transmit enable controller 6 exports ＂ 1 ＂ and ＂ 0 ＂ two kinds of digital low and high level signals, for controlling described first light transmitter-receiver 1 and the second light transmitter-receiver 2, make it work in receipts state or hair-like state simultaneously, effectively transmit to allow light signal enter in described Transmission Fibers 5.
As a kind of execution mode, in order to the one-bit digital level signal allowing described Transmit enable controller 6 can provide reliable and stable, the model that described Transmit enable controller 6 can adopt ALTERA company to produce is the chip of EPM570T100I5.Certainly, the form of described transceiving switch-over control signal is not limited thereto, those skilled in the art, on the basis of foregoing description, can also control with other switch-over control signal, as long as ensure that described first light transmitter-receiver 1 and the second light transmitter-receiver 2 can effectively switch.
The first light transmitter-receiver in the present invention and the second light transmitter-receiver can with SDH (synchronous digital transmission sequence) or PDH (Plesiochronous Digital hierarchy) equipment connection, also can with the equipment connection such as switch or router, therefore the present invention can be applied to SDH (synchronous digital transmission sequence) or PDH (Plesiochronous Digital hierarchy) communications field, also can be applied to the data communication field such as exchange or router.
These are only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing specification of the present invention and accompanying drawing content to do, is directly or indirectly used in the technical field that other are relevant, all in like manner within scope of patent protection of the present invention.
Claims (4)
1. an optical transmission module, is characterized in that, comprises the first light-receiving transmitter, the second light-receiving transmitter, the first transducer, the second transducer, Transmission Fibers and Transmit enable controller; Wherein,
Described first light-receiving transmitter is suitable for utilizing emitted light signal or receiving optical signals, and accordingly, described second light-receiving transmitter is suitable for receiving optical signals or utilizing emitted light signal;
Described first transducer is transferred to described Transmission Fibers, or receives the light signal transmitted from described Transmission Fibers after being suitable for the light signal conversion sent by described first light-receiving transmitter, and is input to described first light-receiving transmitter reception;
Described second transducer is transferred to described Transmission Fibers, or receives the light signal transmitted from described Transmission Fibers after being suitable for the light signal conversion sent by described second light-receiving transmitter, and is input to described second light-receiving transmitter reception;
Described Transmit enable controller is suitable for exporting transceiving switch-over control signal, to control described first light-receiving transmitter and the second light-receiving transmitter carries out reiving/transmitting state switching, to work in receipts state or hair-like state simultaneously.
2. optical transmission module according to claim 1, is characterized in that, described first light-receiving transmitter and the first transducer are integrated into an electro-optical device, and described second light-receiving transmitter and the second transducer are integrated into another electro-optical device.
3. optical transmission module according to claim 1, is characterized in that, the transceiving switch-over control signal that described Transmit enable controller exports is one-bit digital level signal.
4. optical transmission module according to claim 1, is characterized in that, the model that described Transmit enable controller adopts ALTERA company to produce is the chip of EPM570T100I5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510263762.5A CN104967485A (en) | 2015-05-22 | 2015-05-22 | Optical transmission assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510263762.5A CN104967485A (en) | 2015-05-22 | 2015-05-22 | Optical transmission assembly |
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| Publication Number | Publication Date |
|---|---|
| CN104967485A true CN104967485A (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510263762.5A Pending CN104967485A (en) | 2015-05-22 | 2015-05-22 | Optical transmission assembly |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1973228A (en) * | 2004-06-24 | 2007-05-30 | 福希纳光学公司 | Bidirectional optical transceiver module using a single optical fiber cable |
| CN101558588A (en) * | 2006-11-30 | 2009-10-14 | 皇家飞利浦电子股份有限公司 | Intrinsic flux sensing |
| CN101588205A (en) * | 2008-05-21 | 2009-11-25 | 光环科技股份有限公司 | Three-wavelength two-way optical fiber communication system, transmitter optical subassembly and receiver optical subassembly |
-
2015
- 2015-05-22 CN CN201510263762.5A patent/CN104967485A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1973228A (en) * | 2004-06-24 | 2007-05-30 | 福希纳光学公司 | Bidirectional optical transceiver module using a single optical fiber cable |
| CN101558588A (en) * | 2006-11-30 | 2009-10-14 | 皇家飞利浦电子股份有限公司 | Intrinsic flux sensing |
| CN101588205A (en) * | 2008-05-21 | 2009-11-25 | 光环科技股份有限公司 | Three-wavelength two-way optical fiber communication system, transmitter optical subassembly and receiver optical subassembly |
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Application publication date: 20151007 |