CN201266937Y - Myriad million light transmit-receive integrated module - Google Patents
Myriad million light transmit-receive integrated module Download PDFInfo
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- CN201266937Y CN201266937Y CNU200820173325XU CN200820173325U CN201266937Y CN 201266937 Y CN201266937 Y CN 201266937Y CN U200820173325X U CNU200820173325X U CN U200820173325XU CN 200820173325 U CN200820173325 U CN 200820173325U CN 201266937 Y CN201266937 Y CN 201266937Y
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- 230000003287 optical effect Effects 0.000 claims abstract description 69
- 239000012528 membrane Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 235000011449 Rosa Nutrition 0.000 description 2
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- 230000008676 import Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000008901 benefit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a 10-gigabit integrated optical transceiver module, comprising an XFP module provided with an optical transmitting port and an optical receiving port, and a wavelength division multiplexer (WDM) provided with three interfaces, wherein, the first interface and the second interface are respectively connected with the optical transmitting port and the optical receiving port of the XFP module, and the third interface is a common optical outputting port of the 10-gigabit integrated optical transceiver module. The optical transmitting port and the optical receiving port of the standard XFP are coupled by the WDM, and the single fiber and multiple direction transmission function can be realized; furthermore, the module conforms to standards of XFP MSA, and the generality of the module is improved.
Description
Technical field
The utility model relates to a kind of 10,000,000,000 integrated modules of optical transceiver, specifically, relates to a kind of light path coupled structure of 10,000,000,000 integrated modules of optical transceiver, belongs to the optical communication technique field.
Background technology
Along with the continuous development of optical communication technique and user to the improving constantly of bandwidth demand, engendered on the market that asymmetric 10,000,000,000 ethernet passive optical networks (EPON) that can transmit 1.25Gbps and 10Gbps speed lightwave signal simultaneously use the integrated module of optical transceiver.In the prior art, for realizing the multidirectional transmission of single fiber of high-speed light receiver-transmitter integrated module, the optical path signal coupling generally has two kinds of implementations.A kind of mode is in optical module inside wavelength division multiplexer to be set, light emission component is connected with the port of wavelength division multiplexer respectively with optical fiber receive module, realize the coupling of multipath light signal, the optical fiber of public port connection by wavelength division multiplexer carries out the transmission of light signal then.This coupled modes exist following shortcoming: at first, because wavelength division multiplexer occupies certain space, thereby make that the volume of optical module is bigger, the development trend of incompatibility optical communication system miniaturization; Secondly, exist the secondary coupling of light signal between light emission component and optical fiber receive module and the membrane wave division multiplexer, thereby increased the loss of luminous power; Once more, adopt the coupled structure of wavelength division multiplexer need a large amount of tail fiber discs around, thereby brought extra optical power loss, and this class loss can not budget.
At the above-mentioned shortcoming that wavelength division multiplexer realizes that the light path coupling exists is set in optical module inside, another kind of coupled modes have appearred again, both filter was set in low speed optical assembly inside, multichannel is launched light signal and receiving optical signals is coupled by filter.This coupled modes also exist some shortcomings: at first, because need be at the inner integrated optical filter of optical assembly, production technology be comparatively complicated, and dismounting uses flexibility relatively poor, makes module manufacturing, maintenance inconvenient; Secondly, this class optical fiber transceiver module does not meet XFP MSA standard at aspects such as module volume, golden finger definition, makes that the module versatility is relatively poor.
Summary of the invention
The problems referred to above that the utility model exists at light path coupled structure in 10,000,000,000 integrated modules of optical transceiver in the prior art, a kind of 10,000,000,000 integrated modules of optical transceiver are provided, by wavelength division multiplexer the emission light mouth of the XFP of standard and the light signal of reception light mouth are coupled, can realize the multidirectional transfer function of single fiber, and module meets XFP MSA standard.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of 10,000,000,000 integrated modules of optical transceiver comprise the XFP module, and described XFP module has an emission Guang Kou and a reception light mouth; Also comprise wavelength division multiplexer, described wavelength division multiplexer has three ports, and wherein, first port is connected with reception light mouth with the emission light mouth of described XFP module respectively with second port, and the 3rd port is the public defeated light-emitting window of described 10,000,000,000 integrated modules of optical transceiver.
According to the utility model, for ease of dismounting, first port of described wavelength division multiplexer adopts the LC plug to be connected with the emission light mouth of described XFP module, and second port of described wavelength division multiplexer adopts the LC plug to be connected with the reception light mouth of described XFP module.
According to the utility model, when described 10,000,000,000 integrated modules of optical transceiver were used in optical line terminal, the 3rd port of described wavelength division multiplexer adopted SC/PC adapter form; When described 10,000,000,000 integrated modules of optical transceiver were used in the optical network unit end, the 3rd port of described wavelength division multiplexer adopted SC/APC adapter form.
According to the utility model, for reducing integrated module of optical transceiver volume, described wavelength division multiplexer is preferably the membrane wave division multiplexer.
According to the utility model, the described integrated module of optical transceiver meets XFP MSA standard.
Compared with prior art, advantage of the present utility model with good effect is: two ports of wavelength division multiplexer directly are connected with the light mouth of XFP module, and with the 3rd port of wavelength division multiplexer public defeated light-emitting window as the integrated module of optical transceiver, realized the coupling of multipath light signal, and carry out the multidirectional transfer function of single fiber by the public defeated light-emitting window and the peripheral system of module, be of coupled connections flexibly, convenient disassembly is convenient to make and maintenance.And, because the integrated module of optical transceiver adopts the XFP standard module, makes that the receiver-transmitter integrated module volume is less, for bigger space has been saved in system design, and golden finger PIN electric attribute also meets XFP MSA standard, has improved the universal performance of the integrated module of optical transceiver.
Description of drawings
Fig. 1 is a light path coupled structure schematic diagram in the utility model 10,000,000,000 integrated modules of optical transceiver.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
See also Fig. 1,10,000,000,000 integrated modules of optical transceiver described in the utility model comprise the XFP module 10 and the membrane wave division multiplexer FWDM20 of standard.Wherein, XFP module 10 comprises emission light mouth 11 and receives light mouth 12; The first port REF mouth 21 of FWDM and the second port PASS mouth 22 adopt the LC plug of standard, insert described emission light mouth 11 respectively and receive light mouth 12, realize the mechanical connection of XFP module 10 and FWDM20, and then the multipath light signal of XFP is coupled by described FWDM20.And the 3rd port com port 23 of FWDM directly connects the transmission that tail optical fiber and optical communication system are carried out light signal as the public defeated light-emitting window of the integrated module of optical transceiver, thereby realizes the multidirectional transfer function of single fiber.Set forth the operation principle that described 10,000,000,000 integrated modules of optical transceiver are applied in EPON optical line terminal and optical network unit end below respectively.
One: ten thousand million integrated module of optical transceiver of embodiment is applied in the EPON optical line terminal.
At the EPON optical line terminal, the descending employing of integrated module of optical transceiver 1577nm wavelength transmits continuous 10Gbps signal; Up employing 1310nm wavelength, transmitting burst 1.25Gbps signal.Therefore, in the selected standard x FP module, the 10G radiating portion adopts 1577nm band refrigeration LC formula TOSA; 1.25G receiving unit adopts LC formula avalanche photodetector assembly APD ROSA, works in 1310nm centre wavelength.This two ways of optical signals is coupled by external membrane wave division multiplexer.
The com port 23 of FWDM20 adopts the SC/PC adapters to use for outside the connection, imports the lightwave signal of 1310nm wavelength from external fiber through com port 23, and this signal transfers to the 1G receiving unit of XFP through PASS mouth 22, can not seal in REF mouth 21.The REF mouth 21 of the 1577nm lightwave signal of XFP module 10 radiating portions emission through being connected with emission light mouth 11 inputs among the FWDM20, by com port 23 outputs, can not seal in the PASS mouth then.
Two: ten thousand million integrated modules of optical transceiver of embodiment are applied in EPON optical network unit end.
At EPON optical network unit end, the descending employing of integrated module of optical transceiver 1577nm wavelength transmits continuous 10Gbps signal; Up employing 1310nm wavelength, transmitting burst 1.25Gbps signal.Therefore, in the selected standard x FP module, the 10G receiving unit adopts APD ROSA; 1.25G radiating portion adopts tail optical fiber formula 1310nm LC type distributed feedback semiconductor laser emitting module DFB TOSA, burst mode of operation.This two ways of optical signals is coupled by external membrane wave division multiplexer.
The com port 23 of FWDM20 adopts the SC/APC adapters to use for outside the connection, imports the lightwave signal of 1545～1600nm wavelength from external fiber through com port 23, and this signal transfers to the 10G receiving unit of XFP through PASS mouth 22, can not seal in REF mouth 21.The REF mouth 21 of the 1310nm lightwave signal of XFP module 10 radiating portions emission through being connected with emission light mouth 11 inputs among the FWDM20, by com port 23 outputs, can not seal in the PASS mouth then.
Be appreciated that the coupling that realizes light signal volume is little except that selecting for use, the membrane wave division multiplexer FWDM of stable performance, also can select for use AWG, FPG etc. can realize the device of wavelength division multiplexing function.
10,000,000,000 integrated modules of optical transceiver described in the utility model, by the external wavelength division multiplexer of XFP module with standard, multipath light signal is coupled, effectively reduced the volume of the integrated module of optical transceiver, increased the use flexibility of module, and module meets XFP MSA standard, improved the versatility of module.
Certainly; the above only is a kind of preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1, a kind of 10,000,000,000 integrated modules of optical transceiver, comprise the XFP module, described XFP module has an emission Guang Kou and a reception light mouth, it is characterized in that, also comprise wavelength division multiplexer, described wavelength division multiplexer has three ports, wherein, first port is connected with reception light mouth with the emission light mouth of described XFP module respectively with second port, and the 3rd port is the public defeated light-emitting window of described 10,000,000,000 integrated modules of optical transceiver.
2,10,000,000,000 integrated modules of optical transceiver according to claim 1, it is characterized in that, first port of described wavelength division multiplexer adopts the LC plug to be connected with the emission light mouth of described XFP module, and second port of described wavelength division multiplexer adopts the LC plug to be connected with the reception light mouth of described XFP module.
3,10,000,000,000 integrated modules of optical transceiver according to claim 2 is characterized in that, when described 10,000,000,000 integrated modules of optical transceiver were used in optical line terminal, the 3rd port of described wavelength division multiplexer adopted SC/PC adapter form; When described 10,000,000,000 integrated modules of optical transceiver were used in the optical network unit end, the 3rd port of described wavelength division multiplexer adopted SC/APC adapter form.
4, according to each described 10,000,000,000 integrated modules of optical transceiver in the claim 1 to 3, it is characterized in that described wavelength division multiplexer is the membrane wave division multiplexer.
5,10,000,000,000 integrated modules of optical transceiver according to claim 1 is characterized in that, the described integrated module of optical transceiver meets XFP MSA standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820173325XU CN201266937Y (en) | 2008-10-16 | 2008-10-16 | Myriad million light transmit-receive integrated module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820173325XU CN201266937Y (en) | 2008-10-16 | 2008-10-16 | Myriad million light transmit-receive integrated module |
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| Publication Number | Publication Date |
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| CN201266937Y true CN201266937Y (en) | 2009-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU200820173325XU Expired - Lifetime CN201266937Y (en) | 2008-10-16 | 2008-10-16 | Myriad million light transmit-receive integrated module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197391A (en) * | 2013-04-24 | 2013-07-10 | 深圳市极致兴通科技有限公司 | Wavelength division multiplexing optical module with pigtails |
| WO2021056825A1 (en) * | 2019-09-26 | 2021-04-01 | 武汉光迅科技股份有限公司 | Optical module |
-
2008
- 2008-10-16 CN CNU200820173325XU patent/CN201266937Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197391A (en) * | 2013-04-24 | 2013-07-10 | 深圳市极致兴通科技有限公司 | Wavelength division multiplexing optical module with pigtails |
| WO2021056825A1 (en) * | 2019-09-26 | 2021-04-01 | 武汉光迅科技股份有限公司 | Optical module |
| US11990939B2 (en) | 2019-09-26 | 2024-05-21 | Accelink Technologies Co., Ltd. | Optical module |
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| CX01 | Expiry of patent term |