CN203773102U - QSFP optical module - Google Patents
QSFP optical module Download PDFInfo
- Publication number
- CN203773102U CN203773102U CN201420138923.9U CN201420138923U CN203773102U CN 203773102 U CN203773102 U CN 203773102U CN 201420138923 U CN201420138923 U CN 201420138923U CN 203773102 U CN203773102 U CN 203773102U
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- optical fiber
- qsfp
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- 230000003287 optical effect Effects 0.000 title claims abstract description 71
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 239000013307 optical fiber Substances 0.000 claims description 40
- 230000000712 assembly Effects 0.000 abstract 3
- 238000000429 assembly Methods 0.000 abstract 3
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 2
- VLLVVZDKBSYMCG-UHFFFAOYSA-N 1,3,5-trichloro-2-(2-chlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC(Cl)=C1C1=CC=CC=C1Cl VLLVVZDKBSYMCG-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Abstract
The utility model provides a QSFP optical module. The optical module comprises a first 1*4 type PLC optical splitter, a second 1*4 type PLC optical splitter, a first light emission assembly with an emission tail fiber, a second light emission assembly with an emission tail fiber, a third light emission assembly with an emission tail fiber, a fourth light emission assembly with an emission tail fiber, a first light receiving assembly with a receiving tail fiber, a second light receiving assembly with a receiving tail fiber, a third light receiving assembly with a receiving tail fiber and a fourth light receiving assembly with a receiving tail fiber, wherein the first light emission assembly with the emission tail fiber, the second light emission assembly with the emission tail fiber, the third light emission assembly with the emission tail fiber and the fourth light emission assembly with the emission tail fiber emit four-channel light signals lambda 1, lambda2, lambda3 and lambda4; the emission tail fibers form optical coupling with four input ports of the first 1*4 type PLC optical splitter; the four-channel light signals lambda 1, lambda2, lambda3 and lambda4 are combined by the first 1*4 type PLC optical splitter and then are output to the outside world by a single fiber of an output port; the receiving tail fibers form optical coupling with four output ports of the second 1*4 type PLC optical splitter and the first, second, third and fourth light receiving assemblies receive the four-channel light signals lambda 1, lambda2, lambda3 and lambda4 which are split by the second 1*4 type PLC optical splitter and then are output. The four independent light emission assemblies with the tail fibers and the light receiving assemblies are arranged in the module. The number of whole optical module components is small, the structure is simple, cost is low and performance is stable.
Description
Technical field
The utility model relates to a kind of optical communication network module, relates in particular to a kind of four-way miniaturization hot plug QSFP optical module.
Background technology
QSFP(Quad Small Form-factor Pluggable), i.e. four-way SFP interface (QSFP), QSFP is born for the demand that meets market and can plug solution to more highdensity high speed.QSFP can be used as a kind of optical fiber solution, and speed and density are all better than 4 channel C X4 interfaces.Owing to can support the data transmission of four passages with the speed of every path 10 Gbps under the identical port volume of XFP, QSFP also may drop into 100GE application after channel rate increases to 25Gb/s, so the density of QSFP can reach 4 times of XFP product, 3 times of SFP+ product.Prior art is to realize 4 passage transmitting and 4 passage receiving optical signals by the mode of PD, LD array and lens arra.In this kind of technical scheme, the LD array of 4 different wavelength, its yield rate is low, causes manufacturing cost high, and each passage coupled optical power output valve differs larger.And the PD array received of 4 different wave lengths, the interchannel processing of crosstalking is more difficult.
Utility model content
For overcoming above shortcoming, it is a kind of simple in structure that the utility model provides, the QSFP optical module of dependable performance.
For reaching above goal of the invention, the utility model provides a kind of QSFP optical module, comprising: first, second 1 × 4 type PLC optical branching device; Respectively carry first, second, third, fourth light emission component of a transmitting tail optical fiber, launch respectively four-way light signal λ 1, λ 2, λ 3, λ 4, the four-input terminal mouth optically-coupled of its transmitting tail optical fiber and described the one 1 × 4 type PLC optical branching device, four-way light signal λ 1, λ 2, λ 3, λ 4 are outwards exported by the single fiber of its output port after described the one 1 × 4 type PLC optical branching device closes ripple; Respectively carry first, second, third, fourth optical fiber receive module of a reception tail optical fiber, it receives four output port optically-coupled of tail optical fiber and described the 21 × 4 type PLC optical branching device, and receives respectively four-way light signal λ 1, the λ 2, λ 3, the λ 4 that export by after described the 21 × 4 type PLC optical branching device partial wave.
The transmitting tail optical fiber of described first, second, third, fourth light emission component and the optical axis near normal of laser diode.
The reception tail optical fiber of described first, second, third, fourth optical fiber receive module and the optical axis near normal of reception diode.
Described first, second, third, fourth light emission component is thrown into the front end of module, and described first, second, third, fourth optical fiber receive module is thrown into the rear end of module.
Described first, second 1 × 4 type PLC optical branching device is placed in the front end of module side by side.
Described first, second 1 × 4 type PLC optical branching device is placed in module two side.
The rigid circuit board PCB of described QSFP optical module comprises forward and backward two parts, centre is electrically connected by a flexible PCB, PCB forward part is electrically connected with described four light emission components and four optical fiber receive modules, and PCB rear portion is divided into golden finger end, is electrically connected with external host.
The QSFP optical module of said structure, in module, only adopt technology maturity high, independently be with tail optical fiber light emission component and optical fiber receive module for simple in structure four, for launching respectively, receive four-way light signal λ 1, λ 2, λ 3, λ 4, and two 1 × 4 type PLC optical branching devices, Jiang Si road light signal partial wave, close ripple, the first assembly of whole optical module is few, simple in structure, cost is low, stable performance.
Brief description of the drawings
Fig. 1 represents the light path principle figure of the utility model QSFP optical module;
The transmitting of light shown in Fig. 2 presentation graphs 1, reception optical assembly cross-sectional view;
Optical assembly perspective view shown in Fig. 3 presentation graphs 2;
Fig. 4 represents the utility model QSFP optical module one embodiment encapsulating structure schematic diagram.
Specific embodiment
Describe the utility model most preferred embodiment in detail below in conjunction with accompanying drawing.
A kind of QSFP optical module as shown in Figure 1, comprising: first, second 1 × 4 type PLC optical branching device 10a, 10b; Respectively carry first, second, third, fourth light emission component 20a, 20b, 20c, the 20d of a transmitting tail optical fiber, launch respectively four-way light signal λ 1, λ 2, λ 3, λ 4, the four-input terminal mouth optically-coupled of its transmitting tail optical fiber and the one 1 × 4 type PLC optical branching device 10a, four-way light signal λ 1, λ 2, λ 3, λ 4 are outwards exported by the single fiber of its output port after the one 1 × 4 type PLC optical branching device 10a closes ripple; Respectively carry first, second, third, fourth optical fiber receive module 30a, 30b, 30c, the 30d of a reception tail optical fiber, it receives the four output port optically-coupled of tail optical fiber and the 21 × 4 type PLC optical branching device 10 b, and receives respectively four-way light signal λ 1, λ 2, λ 3, λ 4 by the single fiber input of the 21 × 4 type PLC optical branching device 10 b.
As shown in Figures 2 and 3, no matter be transmitting or reception optical assembly, the equal near normal of optical axis of its tail optical fiber optical axis and laser diode or reception diode, in this case light emission component is that example illustrates its structure.This light emission component 20 comprises: a laser diode 21, one catoptron 22 and a tail optical fiber 23, the transmitting optical axis of laser diode 21 and the optical axis near normal of tail optical fiber 23, the light signal that laser diode 21 is launched is incident to the smooth end face of tail optical fiber 23 and outwards transmits after catoptron 22 reflections, adopt the optical assembly of this structure, can shorten the length of light emission component or optical fiber receive module, what the usual light emission component using or optical fiber receive module adopted is tail optical fiber and TO-CAN coaxial packaging, cause modular construction size large, specify according to QSFP agreement, in module, cannot encapsulate eight coaxial opticals simultaneously.
The encapsulating structure of QSFP optical module as shown in Figure 4, first, second 1 × 4 type PLC optical branching device 10a, 10b are placed in the front end of module side by side, also can be placed in module two side, first, second, third, fourth light emission component 20a, 20b, 20c, the 20d of the array input optical fibre link block front end discharge of the one 1 × 4 type PLC optical branching device 10a; First, second, third, fourth optical fiber receive module 30a, 30b, 30c, the 30d of the array output optical fibre link block rear end discharge of the 21 × 4 type PLC optical branching device 10b; The rigid circuit board PCB40 of QSFP optical module comprises forward and backward two parts 40a, 40b, centre is electrically connected by a flexible PCB 50, PCB forward part 40a is electrically connected with four light emission components and four optical fiber receive modules, and PCB rear section 40b is golden finger end, is electrically connected with external host.Four light emission components can adopt flexible PCB (not shown) to be connected with PCB forward part 40a, and the pin of first, second, third, fourth optical fiber receive module 30a, 30b, 30c, 30d is directly welded on PCB forward part 40a.
Claims (7)
1. a QSFP optical module, is characterized in that, comprising: first, second 1 × 4 type PLC optical branching device; Respectively carry first, second, third, fourth light emission component of a transmitting tail optical fiber, launch respectively four-way light signal λ 1, λ 2, λ 3, λ 4, the four-input terminal mouth optically-coupled of its transmitting tail optical fiber and described the one 1 × 4 type PLC optical branching device, four-way light signal λ 1, λ 2, λ 3, λ 4 are outwards exported by the single fiber of its output port after described the one 1 × 4 type PLC optical branching device closes ripple; Respectively carry first, second, third, fourth optical fiber receive module of a reception tail optical fiber, it receives four output port optically-coupled of tail optical fiber and described the 21 × 4 type PLC optical branching device, and receives respectively four-way light signal λ 1, the λ 2, λ 3, the λ 4 that export by after described the 21 × 4 type PLC optical branching device partial wave.
2. QSFP optical module according to claim 1, is characterized in that, the transmitting tail optical fiber of described first, second, third, fourth light emission component and the optical axis near normal of laser diode.
3. QSFP optical module according to claim 1 and 2, is characterized in that, the reception tail optical fiber of described first, second, third, fourth optical fiber receive module and the optical axis near normal of reception diode.
4. QSFP optical module according to claim 3, is characterized in that, described first, second, third, fourth light emission component is thrown into the front end of module, and described first, second, third, fourth optical fiber receive module is thrown into the rear end of module.
5. QSFP optical module according to claim 4, is characterized in that, described first, second 1 × 4 type PLC optical branching device is placed in the front end of module side by side.
6. QSFP optical module according to claim 4, is characterized in that, described first, second 1 × 4 type PLC optical branching device is placed in module two side.
7. QSFP optical module according to claim 3, it is characterized in that, the rigid circuit board PCB of described QSFP optical module comprises forward and backward two parts, centre is electrically connected by a flexible PCB, PCB forward part is electrically connected with described four light emission components and four optical fiber receive modules, PCB rear portion is divided into golden finger end, is electrically connected with external host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138923.9U CN203773102U (en) | 2014-03-26 | 2014-03-26 | QSFP optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138923.9U CN203773102U (en) | 2014-03-26 | 2014-03-26 | QSFP optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203773102U true CN203773102U (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420138923.9U Expired - Lifetime CN203773102U (en) | 2014-03-26 | 2014-03-26 | QSFP optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203773102U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106685531A (en) * | 2016-12-14 | 2017-05-17 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2019052242A1 (en) * | 2017-09-15 | 2019-03-21 | 武汉联特科技有限公司 | Four-channel coarse wavelength division multiplexing qsfp optical module |
| CN111313969A (en) * | 2019-12-10 | 2020-06-19 | 长飞光纤光缆股份有限公司 | Optical module |
-
2014
- 2014-03-26 CN CN201420138923.9U patent/CN203773102U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106685531A (en) * | 2016-12-14 | 2017-05-17 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2019052242A1 (en) * | 2017-09-15 | 2019-03-21 | 武汉联特科技有限公司 | Four-channel coarse wavelength division multiplexing qsfp optical module |
| US10680736B2 (en) | 2017-09-15 | 2020-06-09 | Linktel Technologies Co., Ltd. | Four-channel coarse wavelength division multiplexing QSFP optical module |
| CN111313969A (en) * | 2019-12-10 | 2020-06-19 | 长飞光纤光缆股份有限公司 | Optical module |
| CN111313969B (en) * | 2019-12-10 | 2022-01-11 | 长飞光纤光缆股份有限公司 | Optical module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240329 Address after: Room 601 and 701, North Block, Yuanxing Technology Building, No.1 Songpingshan Road, High tech Industrial Park (North District), Nanshan District, Shenzhen, Guangdong Province, 518057 Patentee after: Longmet Communication Technology (Shenzhen) Co.,Ltd. Country or region after: China Address before: 518057 New Feitong, No. 8 Keji South 12th Road, Nanshan District, Shenzhen City, Guangdong Province, China Patentee before: NEOPHOTONICS Corp. Country or region before: China |