CN107294612A - A kind of wavelength-division multiplex optical fiber transceiver module and optical fiber network system - Google Patents
A kind of wavelength-division multiplex optical fiber transceiver module and optical fiber network system Download PDFInfo
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- CN107294612A CN107294612A CN201710631728.8A CN201710631728A CN107294612A CN 107294612 A CN107294612 A CN 107294612A CN 201710631728 A CN201710631728 A CN 201710631728A CN 107294612 A CN107294612 A CN 107294612A
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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
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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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
-
- 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
-
- 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
- H04B10/27—Arrangements for networking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
Abstract
The present invention relates to a kind of wavelength-division multiplex optical fiber transceiver module and optical fiber network system, the wherein optical module includes transmitting optical assembly, receives optical assembly, transmitting single-mode fiber, receives single-mode fiber and WDM couplers；Launching optical assembly includes multiplexer, for the n branch road optical signals with different wave length to be multiplexed with into optical signal all the way；Receiving optical assembly includes demultiplexer, for the optical signal all the way of the n branch road optical signals for including different wave length of reception to be demultiplexing as into n branch road optical signals；Transmitting single-mode fiber is connected between multiplexer and WDM couplers；Receive single-mode fiber to be connected between demultiplexer and WDM couplers, wherein n is the natural number more than or equal to 2.The problem of present invention is used to solve high existing optical module communication operation cost and big size, cut operating costs, and reduce module package dimension, realize that module is minimized.
Description
Technical field
The invention belongs to technical field of optical fiber communication, and in particular to a kind of wavelength-division multiplex optical fiber transceiver module and optical networking
Network system.
Background technology
WDM（Wavelength Division Multiplexing, wavelength-division multiplex）It is by two or more different wave lengths
Optical carrier (carry various information) merged together in transmitting terminal through multiplexer (Multiplexer, abbreviation MUX), and
The technology being transmitted in same optical fiber for being coupled to optical link；In receiving terminal, demultiplexed device (Demultiplexer, letter
Claim DMUX) light carrier of various wavelength is separated, then it is for further processing to recover original signal by photoreceiver.According to passage
The difference at interval, WDM can be divided into CWDM (coarse wavelength division multiplexer) and DWDM (dense wave division multipurpose).Due to CWDM power consumption,
Price and DWDM is physically superior to, therefore most users still select CWDM.Traditional multichannel CWDM optical modules are due to work
It is that double optical port pattern, i.e. transmitting terminal and receiving terminal are double-fiber interface, it is necessary to lay two optical fiber to realize to make wavelength, is caused
Operation cost is high, and optical fiber network system is complicated, and optical fiber service efficiency and transmission bandwidth are low so that fiber optic network reliability is low.
In view of the above-mentioned problems, Chinese invention patent（Application number：201610952882.0, publication No.：CN106533571A）
The monochromatic light mouthful integrated WDM optical fiber transceiver modules of multichannel and optical fiber network system are disclosed, the integrated WDM transmitting-receivings one of multichannel are realized
Body, but the circulator cost used in the patent application is high, causes battalion's cost still higher, and insertion loss is higher so that light
Fiber communication efficiency is low, and interior optics are more in circulator, is unsuitable for small size light module package.
The content of the invention
The present invention provides a kind of wavelength-division multiplex optical fiber transceiver module and optical fiber network system, for solving existing optical module
The problem of communication operation cost height and big size, cut operating costs, and reduce module package dimension, realize that module is minimized.
In order to solve the above-mentioned technical problem, following technical scheme proposed by the invention is solved：
A kind of wavelength-division multiplex optical fiber transceiver module, including transmitting optical assembly and reception optical assembly, the transmitting optical assembly include
Multiplexer, for the n branch road optical signals with different wave length to be multiplexed with into optical signal all the way；The reception optical assembly includes demultiplexing
With device, for the optical signal all the way of the n branch road optical signals for including different wave length of reception to be demultiplexing as into n branch road optical signals；
Characterized in that, also including transmitting single-mode fiber, receiving single-mode fiber and WDM couplers, the transmitting single-mode fiber is connected to
Between the multiplexer and the WDM couplers, the reception single-mode fiber is connected to the demultiplexer and WDM couplings
Between device, wherein n is the natural number more than or equal to 2.
Further, the transmitting optical assembly includes laser diode drive and is connected to the laser diode driving
Semiconductor laser between device and the multiplexer；The reception optical assembly includes photo-detector and is connected to the optical detection
Trans-impedance amplifier between device and the demultiplexer.
Further, the WDM couplers are 1310/1550 WDM couplers.
Further, the multiplexer is coarse wavelength division multiplexer device, and the demultiplexer is use in sparse wave-division demultiplexer.
Further, the four branch road optical signals that light wave passage is spaced 20nm successively are multiplexed with by the coarse wavelength division multiplexer device
Optical signal all the way is demultiplexing as four that light wave passage is spaced 20nm successively by optical signal all the way, the use in sparse wave-division demultiplexer
Road optical signal.
The present invention also proposes a kind of optical fiber network system, it is characterised in that including single-mode fiber and wavelength-division multiplex transmitting-receiving one
Body optical module, the wavelength-division multiplex optical fiber transceiver module includes transmitting optical assembly and receives optical assembly, the transmitting optical assembly
Including multiplexer, for the n branch road optical signals with different wave length to be multiplexed with into optical signal all the way；The reception optical assembly includes
Demultiplexer, for the optical signal all the way of the n branch road optical signals for including different wave length of reception to be demultiplexing as into n branch roads light letter
Number；And the wavelength-division multiplex optical fiber transceiver module also includes transmitting single-mode fiber, receives single-mode fiber and WDM couplers,
The transmitting single-mode fiber is connected between the multiplexer and the WDM couplers, and the reception single-mode fiber is connected to institute
State between demultiplexer and the WDM couplers, the transmission port of the WDM couplers connects the single-mode fiber, and wherein n is
Natural number more than or equal to 2.
Compared with prior art, the advantages of the present invention are：N branch roads optical signal with different wave length is through multiple
Optical signal all the way is multiplexed with device, this all the way optical signal terminated by a ports of WDM couplers through single-mode fiber by receiving
Receive, in receiving terminal, optical signal is transmitted to another port of WDM couplers by single-mode fiber all the way, and passes through demultiplexing
Signal all the way comprising n branch road optical signals is demultiplexing as n branch road optical signals by device, is realized by WDM couplers to different wave length
Optical signal be multiplexed respectively so that downstream transmission optical signal separation, realize single fiber bi-directional transmit, it is to avoid transmitting terminal with receive
The crosstalk of signal between end, and operation cost is saved, WDM coupler structures are simple, and interior optics are few, and optical mode can be achieved
The small-sized encapsulated of block, and the insertion loss of WDM couplers is relatively low, improves fiber optic communication efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to present invention implementation
The accompanying drawing used required in example or description of the prior art is made one and briefly introduced, it should be apparent that, drawings discussed below is this
Some embodiments of invention, for one of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram of embodiment of wavelength-division multiplex optical fiber transceiver module proposed by the present invention
Fig. 2 is the schematic diagram of another embodiment of wavelength-division multiplex optical fiber transceiver module proposed by the present invention；
Fig. 3 is the schematic diagram of optical fiber network system proposed by the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The present invention proposes a kind of wavelength-division multiplex optical fiber transceiver module, including transmitting optical assembly and reception optical assembly, transmitting
Optical assembly includes multiplexer, for the n branch road optical signals with different wave length to be multiplexed with into optical signal all the way；Receive optical assembly bag
Demultiplexer is included, for the optical signal all the way of the n branch road optical signals for including different wave length of reception to be demultiplexing as into n branch road light
Signal；Also include transmitting single-mode fiber, receive single-mode fiber and WDM couplers, transmitting single-mode fiber is connected to multiplexer and WDM
Between coupler, receive single-mode fiber and be connected between demultiplexer and WDM couplers, wherein n is the nature more than or equal to 2
Number.
Specifically, as shown in figure 1, optical module A includes transmitting optical assembly Tx1, receives optical assembly Rx2 and WDM coupler, its
Middle transmitting optical assembly Tx1 includes laser diode drive LDD, semiconductor laser LD and multiplexer MUX1, in the present embodiment
In, due to four branch road optical signals are multiplexed with into optical signal all the way by MUX1, therefore, LD divides into L0-L3 herein, receives light group
Part Rx2 includes photo-detector PD, trans-impedance amplifier TIA and demultiplexer DMUX2, DMUX2 include 4 branch road light by what is received
The optical signal all the way of signal is demultiplexing as four branch road optical signals；As shown in Fig. 2 optical module B structure and optical module A structure phase
Together, it includes transmitting optical assembly Tx2, receives optical assembly Rx1 and WDM coupler, wherein transmitting optical assembly Tx2 includes the pole of laser two
Pipe driver LDD, semiconductor laser LD and multiplexer MUX2, in the present embodiment, due to by MUX2 by four branched optical signals
Optical signal all the way is multiplexed with, therefore, LD divides into L0-L3 herein, receiving optical assembly Rx1 includes photo-detector PD, across resistance amplification
The optical signal all the way for including 4 branch road optical signals received is demultiplexing as four by device TIA and demultiplexer DMUX1, DMUX1
Road optical signal.
In the present embodiment, in order to realize WDM optical fiber transceiver modules that monochromatic light mouthful eight ripples are integrated, the present embodiment WDM couplings
Device can be 1310/1550 common WDM couplers, and MUX1 and MUX2 are coarse wavelength division multiplexer device, DMUX1 and DMUX2
It is use in sparse wave-division demultiplexer, for coarse wavelength division multiplexer device, it has 18 light wave passages from 1270nm to 1610nm,
Adjacent two light waves channel spacing is 20nm.Because 1310/1550 WDM couplers are directed to two windows of 1310nm and 1550nm, because
This, wavelength-division multiplex is carried out for the wavelength near 1310nm and 1550nm.As shown in figure 1, LDD drives L0-L3 transmitted waves in Tx1
A length of 1271nm, 1291nm, 1311nm and 1331nm four branch road optical signals, and the four branch roads optical signal is multiplexed with by MUX1
Optical signal, launches to relative recipient by 1310 ends for launching single-mode fiber 1310/1550 WDM couplers of importing all the way；
The optical signal all the way being multiplexed with by relative sender by 1510 ends of 1310/1550 WDM couplers that DMUX2 is received is simultaneously
By receive single-mode fiber by DMUX2 be demultiplexing as wavelength be 1511nm, 1531nm, 1551nm and 1571nm four branch road light believe
Number, the four branch roads optical signal imports PD and exports electric signal through TIA methods（Such as voltage）.As shown in Fig. 2 LDD drives in Tx2
L0-L3 launch wavelengths are 1511nm, 1531nm, 1551nm and 1571nm four branch road optical signals, and the four branch roads optical signal is logical
Cross MUX2 and be multiplexed with optical signal all the way, through transmitting single-mode fiber import 1310/1550 WDM couplers 1310 ends launch to
Relative recipient；What DMUX1 was received is multiplexed with by relative sender by 1510 ends of 1310/1550 WDM couplers
All the way optical signal and wavelength is demultiplexing as 1271nm, 1291nm, 1311nm and 1331nm by receiving single-mode fiber by DMUX2
Four branch road optical signals, the four branch roads optical signal import PD simultaneously through TIA methods export electric signal（Such as voltage）.
As shown in figure 3, the present invention also proposes a kind of optical fiber network system, including single-mode fiber SMF and wavelength-division multiplex transmitting-receiving
Integral optical module A and B, optical module A and B are used in pairs, and in optical module A in the transmission port of WDM couplers and optical module B
Single-mode fiber SMF is connected between the transmission port of WDM couplers.
When optical module A is transmitter module, wavelength is believed for 1271nm, 1291nm, 1311nm and 1331nm four branch road light
Number by MUX1 be multiplexed with signal import modul A all the way 1310/1550 WDM couplers 1310 ends, from optical module A's
The transmission port of 1310/1550 WDM couplers is sent to receiving module B by single-mode fiber SMF, at receiving module B, and one
1310/1550 WDM coupling of the transmission port for the 1310/1550 WDM couplers that road optical signal passes through optical module B from optical module B
1550 ends of clutch are launched, and it is four of 1271nm, 1291nm, 1311nm and 1331nm to be demultiplexing as wavelength by DMUX1
Road optical signal；Similarly, when optical module B is transmitter module, wavelength is four of 1511nm, 1531nm, 1551nm and 1571nm
Road optical signal is multiplexed with 1310 ends of the 1310/1550 WDM couplers of signal import modul B all the way by MUX2, from optical module
The transmission port of B 1310/1550 WDM couplers is sent to receiving module A by single-mode fiber SMF, at receiving module A,
1310/1550 WDM of the transmission port for the 1310/1550 WDM couplers that optical signal passes through optical module A from optical module A all the way
1550 ends of coupler are launched, and it is the four of 1511nm, 1531nm, 1551nm and 1571nm to be demultiplexing as wavelength by DMUX2
Branch road optical signal.
The wavelength-division multiplex optical fiber transceiver module and optical fiber network system of the present embodiment, are coupled by 1310/1550 WDM
Device is multiplexed with the optical signal of four different wave lengths respectively to 1310nm and 1550nm light wave so that the light letter of downstream transmission
Number separation, realize eight wavelength single fiber bi-directional simultaneous transmissions, it is to avoid the crosstalk of signal between transmitting terminal and receiving terminal, and reduce
Optical fiber lays quantity, reduces operation cost；WDM coupler structures are simple, and interior optics are few, and the small of optical module can be achieved
Typeization is encapsulated；The insertion loss of WDM couplers is relatively low, improves fiber optic communication efficiency；Single fiber bi-directional is transmitted, reduction fiber optic network system
Routing complexity in system, improves system reliability.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (6)
1. a kind of wavelength-division multiplex optical fiber transceiver module, including transmitting optical assembly and reception optical assembly, the transmitting optical assembly bag
Multiplexer is included, for the n branch road optical signals with different wave length to be multiplexed with into optical signal all the way；The reception optical assembly includes solution
Multiplexer, for the optical signal all the way of the n branch road optical signals for including different wave length of reception to be demultiplexing as into n branch roads light letter
Number；Characterized in that, also including transmitting single-mode fiber, receiving single-mode fiber and WDM couplers；The transmitting single-mode fiber connection
Between the multiplexer and the WDM couplers, the reception single-mode fiber is connected to the demultiplexer and the WDM couplings
Between clutch, wherein n is the natural number more than or equal to 2.
2. wavelength-division multiplex optical fiber transceiver module according to claim 1, it is characterised in that the transmitting optical assembly includes
Laser diode drive and the semiconductor laser being connected between the laser diode drive and the multiplexer；Institute
Stating reception optical assembly includes photo-detector and the trans-impedance amplifier being connected between the photo-detector and the demultiplexer.
3. wavelength-division multiplex optical fiber transceiver module according to claim 1 or 2, it is characterised in that the WDM couplers
For 1310/1550 WDM couplers.
4. wavelength-division multiplex optical fiber transceiver module according to claim 3, it is characterised in that the multiplexer is rarefaction wave
Division multiplexer, the demultiplexer is use in sparse wave-division demultiplexer.
5. wavelength-division multiplex optical fiber transceiver module according to claim 4, it is characterised in that the coarse wavelength division multiplexer device
The four branch road optical signals that light wave passage is spaced into 20nm successively are multiplexed with optical signal all the way, and the use in sparse wave-division demultiplexer is by one
Road optical signal is demultiplexing as the four branch road optical signals that light wave passage is spaced 20nm successively.
6. a kind of optical fiber network system, it is characterised in that including the wavelength-division any one of single-mode fiber and claim 1-5
Multiplex transmitting and receiving one optical module, the transmission port of the WDM couplers of the wavelength-division multiplex optical fiber transceiver module connects the list
Mode fiber.
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| CN201710631728.8A CN107294612A (en) | 2017-07-28 | 2017-07-28 | A kind of wavelength-division multiplex optical fiber transceiver module and optical fiber network system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176960A (en) * | 2019-06-27 | 2019-08-27 | 成都光创联科技有限公司 | A kind of novel single fiber bi-directional multichannel input optical module |
| CN110365441A (en) * | 2019-07-31 | 2019-10-22 | 广州芯泰通信技术有限公司 | Based on O wavestrip optical signal launch and method of reseptance, device, equipment, wavelength-division multiplex system |
| CN110932789A (en) * | 2019-12-20 | 2020-03-27 | 武汉光迅科技股份有限公司 | Wavelength tunable device packaging structure |
| CN111555807A (en) * | 2020-05-08 | 2020-08-18 | 中国核动力研究设计院 | Multi-path switching value parallel transmission system and method based on optical fibers |
| CN111953419A (en) * | 2019-05-16 | 2020-11-17 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112118047A (en) * | 2020-09-21 | 2020-12-22 | 上海航天科工电器研究院有限公司 | Multi-channel parallel single-multi-mode conversion module |
| CN113422667A (en) * | 2021-05-24 | 2021-09-21 | 阿里巴巴新加坡控股有限公司 | Optical fiber branching multiplexer node and optical fiber communication method thereof |
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| CN106533571A (en) * | 2016-10-27 | 2017-03-22 | 中航海信光电技术有限公司 | Single port multi-channel integrated WDM transceiver optical module and optical fiber network system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111953419A (en) * | 2019-05-16 | 2020-11-17 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN110176960A (en) * | 2019-06-27 | 2019-08-27 | 成都光创联科技有限公司 | A kind of novel single fiber bi-directional multichannel input optical module |
| CN110176960B (en) * | 2019-06-27 | 2023-11-17 | 成都光创联科技有限公司 | Novel single-fiber bidirectional multichannel input optical module |
| CN110365441A (en) * | 2019-07-31 | 2019-10-22 | 广州芯泰通信技术有限公司 | Based on O wavestrip optical signal launch and method of reseptance, device, equipment, wavelength-division multiplex system |
| CN110365441B (en) * | 2019-07-31 | 2021-07-16 | 广州芯泰通信技术有限公司 | Optical signal transmitting and receiving method, device, equipment and wavelength division multiplexing system based on O wave band |
| CN110932789A (en) * | 2019-12-20 | 2020-03-27 | 武汉光迅科技股份有限公司 | Wavelength tunable device packaging structure |
| CN111555807A (en) * | 2020-05-08 | 2020-08-18 | 中国核动力研究设计院 | Multi-path switching value parallel transmission system and method based on optical fibers |
| CN112118047A (en) * | 2020-09-21 | 2020-12-22 | 上海航天科工电器研究院有限公司 | Multi-channel parallel single-multi-mode conversion module |
| CN112118047B (en) * | 2020-09-21 | 2021-06-08 | 上海航天科工电器研究院有限公司 | Multi-channel parallel single-multi-mode conversion module |
| CN113422667A (en) * | 2021-05-24 | 2021-09-21 | 阿里巴巴新加坡控股有限公司 | Optical fiber branching multiplexer node and optical fiber communication method thereof |
| CN113422667B (en) * | 2021-05-24 | 2023-07-25 | 阿里巴巴新加坡控股有限公司 | Optical fiber branching multiplexer node and optical fiber communication method thereof |
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Application publication date: 20171024 |
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