CN102998755A - Coarse identical-wavelength division multiplexing bidirectional light receiving and transmitting integrated module with tail fiber type structure and single fiber - Google Patents

Coarse identical-wavelength division multiplexing bidirectional light receiving and transmitting integrated module with tail fiber type structure and single fiber Download PDF

Info

Publication number
CN102998755A
CN102998755A CN2012103899759A CN201210389975A CN102998755A CN 102998755 A CN102998755 A CN 102998755A CN 2012103899759 A CN2012103899759 A CN 2012103899759A CN 201210389975 A CN201210389975 A CN 201210389975A CN 102998755 A CN102998755 A CN 102998755A
Authority
CN
China
Prior art keywords
fiber
tail
division multiplexing
integrated module
wavelength division
Prior art date
Application number
CN2012103899759A
Other languages
Chinese (zh)
Inventor
彭震
周炳
王苗庆
王珑锟
Original Assignee
绍兴飞泰光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 绍兴飞泰光电技术有限公司 filed Critical 绍兴飞泰光电技术有限公司
Priority to CN2012103899759A priority Critical patent/CN102998755A/en
Publication of CN102998755A publication Critical patent/CN102998755A/en

Links

Abstract

The invention mainly discloses a coarse identical-wavelength division multiplexing bidirectional light receiving and transmitting integrated module with a tail fiber type structure and a single fiber. The coarse identical-wavelength division multiplexing bidirectional light receiving and transmitting integrated module comprises a BOSA (bidirectional optical subassembly), an FPC (flexible printed circuit) board and a PCBA (printed circuit board assembly) board. A transmitting unit and a receiving unit are arranged inside the BOSA and are connected by a wavelength division multiplexing sheet in an oblique bridging manner. The coarse identical-wavelength division multiplexing bidirectional light receiving and transmitting integrated module has the advantages that the complexity of a system is reduced, the cost is lowered, and the transmission stability is improved.

Description

The co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of tail-fiber type structure

Technical field

The present invention relates to communication system technology technical field, special relevant with the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of tail-fiber type structure.

Background technology

At present along with the develop rapidly of LTE mobile communication network and the popularizing of various countries, the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of tail-fiber type structure has obtained a large amount of application in the LTE mobile communication network.Co-wavelength transmission and Coarse Wavelength Division Multiplexing technology are applied in the LTE mobile communication network, not only can have lower system cost, and can increase substantially transmission capacity and the speed of fiber optic communications.

Traditional SFP single fiber bi-directional receiver-transmitter integrated module adopts single-ended LC plug-type optical interface, this optical interface is connected with extraneous optical fiber by pluggable mode, when extraneous optical fiber is subject to External Force Acting, make easily the optically-coupled of optical fiber and the integrated module of optical transceiver produce skew, thereby cause light signal not to be launched preferably or to receive.General tail-fiber type interface end face adopts the PC type, compares with APC type interface end face, and its light path reflection is larger, has reduced the receptivity of light signal.Conventional SFP encapsulating structure, owing to be subject to the restriction of draw ring in the release external member group, in the plug process of module, easily because the destruction that the impact of draw ring causes tail optical fiber in the process of module assembled, is caused the inconvenient and disconnected fine hidden danger of assembling simultaneously.General co-wavelength Coarse Wavelength Division Multiplexing transmission adopts two fine two-way integrated modules of optical transceiver to carry out the transmission of light signal, although can reduce crosstalking of light signal, has greatly increased the use amount of optical cable, causes the rising of system cost.

In order to address the above problem, the inventor designs the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of tail-fiber type structure, and this case produces thus.

Summary of the invention

The co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver that the purpose of this invention is to provide a kind of tail-fiber type structure, the complexity of simplification system reduces cost, improves simultaneously transmission and stablizes.

In order to achieve the above object, the present invention is achieved through the following technical solutions:

A kind of co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of tail-fiber type structure comprises BOSA assembly, FPC plate, PCBA plate; The BOSA assembly is built-in with transmitter unit and receiving element, is inclined cross connection by a wavelength-division multiplex sheet between the two.

Described PCBA plate is connected by the FPC flexible board with the BOSA assembly.

After described BOSA assembly, FPC plate, PCBA plate linked into an integrated entity, the outside fastened by module housing.

Described BOSA assembly is connected with tail optical fiber one end, and tail optical fiber passes the light-emitting window on the module housing, and the tail optical fiber other end connects the optical interface that is fit to plug.

Described optical interface is LC or APC type, is connected with the Lucent Connector plug.

Described tail optical fiber and BOSA assembly are coupling package, and coupling place is entangled protection with plastic casing.

Described tail optical fiber diameter is the optical fiber of 0.9mm or 2mm.

Be equipped with on the described module housing for sealed draw ring, corresponding tail optical fiber position forms kink on draw ring.

The co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of described tail-fiber type structure adopts tail-fiber type SFP packing forms.

After adopting such scheme, the present invention has many beneficial effects:

Be inclined cross the wavelength-division multiplex sheet among the present invention in the BOSA assembly, the transmission of its wavelength is had very strong light buffer action, prevent the generation of optical crosstalk.This design has not only reduced the use of multiplexer and demodulation multiplexer in the system, has also reduced in a large number the number of fibers of required laying in the system.

In addition, when the FPC flexible board guarantees the electrical connection of BOSA assembly and PCBA plate, reduce the EMI interference, be fit to high-speed transfer.

BOSA assembly and pigtail coupling adopt the plastic casing protection in coupling place, and it is the optical fiber of 0.9mm or 2mm that tail optical fiber is selected diameter; the terminal preferred LC of tail optical fiber or APC type light joint; except improving reliability and the convenience that connects, reduced simultaneously the reflection on the optical link, improved the light-receiving performance.

On the basis of conventional SFP draw ring, redesigned draw ring.This draw ring is optimized processing in the exit of module tail optical fiber, simultaneously the plastic casing on the draw ring is processed.Above-mentioned design is in releasing process, and the stressed of draw ring is consistent with the tail optical fiber direction all the time, and the draw ring handle in tail optical fiber exit has been strengthened the protection to tail optical fiber.So not only guarantee the reliability of release, also strengthened the convenience of the integrated module of optical transceiver in assembling process simultaneously.

Description of drawings

Fig. 1 is the assembling synoptic diagram of preferred embodiment of the present invention;

Fig. 2 is the structural representation of preferred embodiment of the present invention;

Fig. 3 is the schematic internal view of BOSA assembly in the preferred embodiment of the present invention.

Embodiment

By reference to the accompanying drawings, preferred embodiment of the present invention is described in further details.

A kind of co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of tail-fiber type structure, the parts that are mainly concerned with comprise BOSA assembly 1, FPC plate 2, PCBA plate 3, module housing 4, draw ring 5, plastic casing 6, tail optical fiber 7, optical interface 8, Lucent Connector 9.

The whole SFP encapsulating structure that adopts of the present invention, the inside of module housing 4 includes BOSA assembly (light transmitting-receiving interface module) 1, FPC plate (flexible PCB) 2, PCBA plate (printed circuit board (PCB)) 3.Wherein BOSA assembly 1 is connected with the PCBA plate and is connected by FPC plate 2.FPC plate 2 is not only realized the electrical connection of BOSA assembly 1 and PCBA plate 3, has reduced simultaneously the EMI interference, is fit to high-speed transfer.

In conjunction with Fig. 3, in BOSA assembly 1, be built-in with transmitter unit 11 and receiving element 12, are connected with receiving element at transmitter unit 11 and adopt wavelength-division multiplex sheet 13 to be inclined cross connection between the two.This wavelength-division multiplex sheet 13 has very strong light buffer action to the transmission of its wavelength, can prevent the generation of optical crosstalk.This design has not only reduced the use of multiplexer and demodulation multiplexer in the system, has also reduced in a large number the number of fibers of required laying in the system.Transmitter unit 11 and receiving element 12 in vertical state, wavelength-division multiplex sheet 13 is positioned on transmitter unit 11 and the receiving element 12 angle bisecting lines, is equivalent to respectively and transmitter unit 11 and receiving element 12 shapes angle at 45 °.

Module housing 4 mainly is that cover is combined in the housing outside BOSA assembly 1, FPC plate 2, the PCBA plate 3, mainly comprises housing parts 1, housing parts 2 42 and posting 43 in the present embodiment.After BOSA assembly 1, FPC plate 2, PCBA plate 3 threes connect, be placed on the housing parts 1, then position by posting 43, again housing parts 2 42 and housing parts 1 are fastened, realize connecting.

After module housing 4 connects, have a light-emitting window 44 in its front, BOSA assembly 1 connects tail optical fiber 7, and tail optical fiber 7 is coupling package with BOSA assembly 1, and coupling place is entangled protection with plastic casing 6.After the connection, tail optical fiber 7 passes module housing 4 from light-emitting window 44 and stretches out.Then connect the optical interface 8 that is fit to plug at tail optical fiber 7 other ends.Optical interface 8 can be LC or APC type, is connected with Lucent Connector 9 plugs by optical interface 8 again.It is the optical fiber of 0.9mm or 2mm that tail optical fiber 7 in the present embodiment is selected diameter.

Draw ring 5 is parts of installation module shell 4, is used for carrying out housing parts 1, housing parts 2 42 sealed.When the needs release, need only draw ring is rotated.The action principle of draw ring 5 just exists in traditional module, differently among the present invention be, the position of draw ring 5 corresponding tail optical fibers 7 forms a kink 51, so that draw ring 5 rotates when turning down, tail optical fiber 7 or be enclosed within plastic casing 6 positions on the tail optical fiber 7, just be absorbed in to this kink 51, when placing draw ring 5 action, damage the structure of tail optical fiber 7.

Above-described embodiment only is used for explaining inventive concept of the present invention, but not to the restriction of rights protection of the present invention, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should fall into protection scope of the present invention.

Claims (9)

1. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a tail-fiber type structure is characterized in that: comprise BOSA assembly, FPC plate, PCBA plate; The BOSA assembly is built-in with transmitter unit and receiving element, is inclined cross connection by a wavelength-division multiplex sheet between the two.
2. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 1, it is characterized in that: described PCBA plate is connected by the FPC flexible board with the BOSA assembly.
3. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 2 is characterized in that: after described BOSA assembly, FPC plate, PCBA plate link into an integrated entity, outsidely fasten by module housing.
4. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 3, it is characterized in that: described BOSA assembly is connected with tail optical fiber one end, tail optical fiber passes the light-emitting window on the module housing, and the tail optical fiber other end connects the optical interface that is fit to plug.
5. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 4, it is characterized in that: described optical interface is LC or APC type, is connected with the Lucent Connector plug.
6. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 4, it is characterized in that: described tail optical fiber and BOSA assembly are coupling package, and coupling place is entangled protection with plastic casing.
7. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 6, it is characterized in that: described tail optical fiber diameter is the optical fiber of 0.9mm or 2mm.
8. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 1 is characterized in that: corresponding tail optical fiber position formation kink on draw ring is installed on the described module housing for sealed draw ring.
9. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 1, it is characterized in that: the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of described tail-fiber type structure, adopt tail-fiber type SFP packing forms.
CN2012103899759A 2012-10-16 2012-10-16 Coarse identical-wavelength division multiplexing bidirectional light receiving and transmitting integrated module with tail fiber type structure and single fiber CN102998755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012103899759A CN102998755A (en) 2012-10-16 2012-10-16 Coarse identical-wavelength division multiplexing bidirectional light receiving and transmitting integrated module with tail fiber type structure and single fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012103899759A CN102998755A (en) 2012-10-16 2012-10-16 Coarse identical-wavelength division multiplexing bidirectional light receiving and transmitting integrated module with tail fiber type structure and single fiber

Publications (1)

Publication Number Publication Date
CN102998755A true CN102998755A (en) 2013-03-27

Family

ID=47927549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012103899759A CN102998755A (en) 2012-10-16 2012-10-16 Coarse identical-wavelength division multiplexing bidirectional light receiving and transmitting integrated module with tail fiber type structure and single fiber

Country Status (1)

Country Link
CN (1) CN102998755A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018000759A1 (en) * 2016-06-28 2018-01-04 武汉电信器件有限公司 Module mounting and unloading apparatus and mounting method thereof
CN109541763A (en) * 2019-01-23 2019-03-29 江苏奥雷光电有限公司 A kind of co-wavelength transmitting-receiving optical device
CN109541763B (en) * 2019-01-23 2020-11-10 江苏奥雷光电有限公司 Same-wavelength transmitting and receiving optical device

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1825151A (en) * 2004-12-06 2006-08-30 Jds尤尼弗思公司 Transceiver delatching mechanism
US7171081B1 (en) * 2002-03-14 2007-01-30 Lightech Fiberoptics, Inc. Plug-in coupler to convert the transceiver (transmitter/receiver, tx/rx) transmission into a bi-directional fiber
CN2876809Y (en) * 2006-03-09 2007-03-07 深圳飞通光电子技术有限公司 Small SFP single fiber double port light transceiving integrated module
CN201114095Y (en) * 2007-08-02 2008-09-10 飞博创(成都)科技有限公司 Wavelength-division multiplexing single fiber bidirectional device structure
US20090252461A1 (en) * 2008-04-08 2009-10-08 Sumitomo Electric Industries, Ltd. Bi-directional optical module and a method for assembling the same
CN201360259Y (en) * 2008-12-09 2009-12-09 德铼通讯器件(张家港)有限公司 1550/1550nm single-wavelength single-fiber bidirectional component
CN101614850A (en) * 2009-07-21 2009-12-30 武汉电信器件有限公司 A kind of draw-ring type unlocking device for photoelectric module
CN201429715Y (en) * 2009-07-09 2010-03-24 飞康技术(深圳)有限公司 Single fiber bidirectional dual-port component
US20100086262A1 (en) * 2008-10-08 2010-04-08 Sumitomo Electric Industries, Ltd. Bi-directional optical module with precisely adjusted wdm filter
CN101750681A (en) * 2008-12-09 2010-06-23 德铼通讯器件(张家港)有限公司 1550/1550 nm single wavelength single-fiber bidirectional component
CN201749224U (en) * 2010-03-25 2011-02-16 武汉蓝丹科技有限公司 Unclasping mechanism of SFP (Small Formfactor Pluggable) optical transceiving module
CN102122036A (en) * 2010-01-08 2011-07-13 株式会社藤仓 Optical transceiver module and method of manufacturing the optical transceiver module
CN202102147U (en) * 2011-05-18 2012-01-04 武汉电信器件有限公司 Tube body structure of single fiber bidirectional device
CN202189171U (en) * 2011-09-05 2012-04-11 青岛海信宽带多媒体技术有限公司 Tail-fiber type integral light receiving and transmitting module
CN202904072U (en) * 2012-10-16 2013-04-24 绍兴飞泰光电技术有限公司 Same wavelength coarse wavelength division multiplex single-fiber bi-directional optical transceiver module with tail optical fiber structure

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7171081B1 (en) * 2002-03-14 2007-01-30 Lightech Fiberoptics, Inc. Plug-in coupler to convert the transceiver (transmitter/receiver, tx/rx) transmission into a bi-directional fiber
CN1825151A (en) * 2004-12-06 2006-08-30 Jds尤尼弗思公司 Transceiver delatching mechanism
CN2876809Y (en) * 2006-03-09 2007-03-07 深圳飞通光电子技术有限公司 Small SFP single fiber double port light transceiving integrated module
CN201114095Y (en) * 2007-08-02 2008-09-10 飞博创(成都)科技有限公司 Wavelength-division multiplexing single fiber bidirectional device structure
US20090252461A1 (en) * 2008-04-08 2009-10-08 Sumitomo Electric Industries, Ltd. Bi-directional optical module and a method for assembling the same
US20100086262A1 (en) * 2008-10-08 2010-04-08 Sumitomo Electric Industries, Ltd. Bi-directional optical module with precisely adjusted wdm filter
CN201360259Y (en) * 2008-12-09 2009-12-09 德铼通讯器件(张家港)有限公司 1550/1550nm single-wavelength single-fiber bidirectional component
CN101750681A (en) * 2008-12-09 2010-06-23 德铼通讯器件(张家港)有限公司 1550/1550 nm single wavelength single-fiber bidirectional component
CN201429715Y (en) * 2009-07-09 2010-03-24 飞康技术(深圳)有限公司 Single fiber bidirectional dual-port component
CN101614850A (en) * 2009-07-21 2009-12-30 武汉电信器件有限公司 A kind of draw-ring type unlocking device for photoelectric module
CN102122036A (en) * 2010-01-08 2011-07-13 株式会社藤仓 Optical transceiver module and method of manufacturing the optical transceiver module
CN201749224U (en) * 2010-03-25 2011-02-16 武汉蓝丹科技有限公司 Unclasping mechanism of SFP (Small Formfactor Pluggable) optical transceiving module
CN202102147U (en) * 2011-05-18 2012-01-04 武汉电信器件有限公司 Tube body structure of single fiber bidirectional device
CN202189171U (en) * 2011-09-05 2012-04-11 青岛海信宽带多媒体技术有限公司 Tail-fiber type integral light receiving and transmitting module
CN202904072U (en) * 2012-10-16 2013-04-24 绍兴飞泰光电技术有限公司 Same wavelength coarse wavelength division multiplex single-fiber bi-directional optical transceiver module with tail optical fiber structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018000759A1 (en) * 2016-06-28 2018-01-04 武汉电信器件有限公司 Module mounting and unloading apparatus and mounting method thereof
CN109541763A (en) * 2019-01-23 2019-03-29 江苏奥雷光电有限公司 A kind of co-wavelength transmitting-receiving optical device
CN109541763B (en) * 2019-01-23 2020-11-10 江苏奥雷光电有限公司 Same-wavelength transmitting and receiving optical device

Similar Documents

Publication Publication Date Title
CN103443680B (en) For realizing the light-receiving of parts packaging passive alignment and dispensing device and the method for passively aligning parts
US6954592B2 (en) Systems, methods and apparatus for bi-directional optical transceivers
CA2222845C (en) An inexpensive single-fiber bidirectional data link
US8412052B2 (en) Surface mount (SMT) connector for VCSEL and photodiode arrays
CN101385208B (en) Uni-core bidirectional optical module
JP5836954B2 (en) Integrated optical and electrical interface
US8727793B2 (en) Optical module design in an SFP form factor to support increased rates of data transmission
US9590737B2 (en) Multi-channel, parallel transmission optical module, and methods of making and using the same
CN101652689B (en) Collimated ball lenses for optical triplexers
CN100460911C (en) Method and apparatus providing an electrical-optical coupler
CN102334053B (en) Optical communication module and optical communication connector
US8447149B2 (en) Optoelectronic transmission device
JP2006030868A (en) Photoelectric compound type connector and substrate using the same
CN102100010B (en) Transceiver module with dual printed circuit boards
US9638876B2 (en) Opto-electrical transceiver module and active optical cable
US8545234B2 (en) Electrical connector for a pluggable transceiver module
Pepeljugoski et al. Low power and high density optical interconnects for future supercomputers
CN105247401A (en) Micro bi-directional optical sub-assembly
US20060093280A1 (en) Optical cable with integrated electrical connector
CN105759371B (en) A kind of parallel emission and reception module and production method for dual link transmission
EP2807768B1 (en) Optical physical interface module
US20080205895A1 (en) Optical subassembly positioning device for an electronic module
CN103293607B (en) Pluggable optical transceiver
US9720191B2 (en) Optical transceiver module and optical cable module
CN102870027A (en) Quad small form factor pluggable (QSFP) adapter module

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20130327