CN206876924U - A kind of array waveguide grating coupling debugging light channel structure - Google Patents
A kind of array waveguide grating coupling debugging light channel structure Download PDFInfo
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- CN206876924U CN206876924U CN201720626041.0U CN201720626041U CN206876924U CN 206876924 U CN206876924 U CN 206876924U CN 201720626041 U CN201720626041 U CN 201720626041U CN 206876924 U CN206876924 U CN 206876924U
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Abstract
The utility model provides a kind of array waveguide grating coupling debugging light channel structure, it includes the CWDM passive modules of the four SC/APC connectors of four-way distributed feedback lasing light emitter, band being sequentially connected, the spool light source line with SC/APC connectors, optical fiber align device, enters to hold single fiber tail optical fiber, four-way array waveguide grid chip, output end four-way mini optical fibre array and light power meter, described to enter to hold single fiber tail optical fiber, the four-way array waveguide grid chip, the output end four-way mini optical fibre array load on the sextuple adjusting bracket of precision.Array waveguide grating coupling debugging light channel structure of the present utility model is simple and practical, and cost ineffective rate is high.
Description
Technical field
It the utility model is related to technical field of photo communication, more particularly to a kind of array waveguide grating coupling debugging light path knot
Structure.
Background technology
Existing array waveguide grating coupling debugging light channel structure, the scheme generally used are：What 1. light source generally used
It is tunable light source, on same light source, the wavelength of laser output can be adjustable with consecutive variations；2. light is realized using photoswitch
Road switches between different wave length；3. fibre junction uses optical fiber splicer；Its light path building structure is as shown in Figure 1；
Above transit scenario has the disadvantages that：
1. light channel structure is with high costs；Tunable light source is typically all imported product；Its price is single-point DFB under equal conditions
10 times of light source；One 4 mouthfuls of single-point DFB light source price is about 5,000 8000 or so；And with wave band tunable light source one extremely
Few more than 60,000；Same to carry out wavelength switching using pass switch, the cost of photoswitch is more than 40 times of a 4CH-CWDM module；
One 4CH-CWDM Module Price is also with regard to more than 100 yuan, and a 4CH optical switching device 4,000 5000, at most 7000 at least
8000 yuan；Secondly the program uses optical fiber splicer, and minimum home-made machine is also wanted more than 10,000, import more than 30,000；And use light
Fine aligner cost is only 1500 yuan or so；
2. light channel structure is complicated, in coupling process, it is required for employee to be coupled on side for tunable light source, photoswitch and debugs
Also to go to select in real time when parameter is lost, switch and adjusting wavelength, if being controlled using software, it is also desirable to which employee is used software
Make skilled study, add the difficulty of operation employee in a word；Easy to get started does not operate, and staffs training progress is slow.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of inexpensive array waveguide grating coupling debugging light
Line structure, the light channel structure is succinctly novel, simple and practical, and cost ineffective rate is high.
Technical solution of the present utility model is as follows：
A kind of array waveguide grating coupling debugging light channel structure, it includes four, four-way distributed feedback lasing light emitter, band
The CWDM passive modules of SC/APC connectors, the spool light source line with SC/APC connectors, optical fiber align device, enter to hold single fiber tail
Fibre, four-way array waveguide grid chip, output end four-way mini optical fibre array, accurate sextuple adjusting bracket, light power meter, institute
Four-way distributed feedback lasing light emitter, the CWDM passive modules of four SC/APC connectors of the band, the band SC/APC is stated to connect
Connect the spool light source line of device, the optical fiber align device, it is described enter hold single fiber tail optical fiber, the four-way array waveguide grid chip,
The output end four-way mini optical fibre array and the light power meter are sequentially connected, described to enter to hold single fiber tail optical fiber, the four-way
Channel array waveguide grid chip, the output end four-way mini optical fibre array load are on the sextuple adjusting bracket of precision.
In the utility model embodiment, the spool light source line of the band SC/APC connectors uses G657B3 light source lines.
In the utility model embodiment, the spool light source lines of the band SC/APC connectors by the optical fiber align device with
It is described to enter to hold single fiber tail optical fiber to be connected.
Compared with prior art, array waveguide grating coupling of the present utility model debugs the beneficial effect of light channel structure such as
Under：
Using single-point four-way distributed feedback lasing light emitter, the CWDM passive modules and optical fiber of four SC/APC connectors of band
Aligner, novelty simple in construction, practical easy to get started, cost ineffective rate are high；Using four-way distributed feedback lasing light emitter, its wavelength
And power stability is nearly identical to tunable light source, and its cost only has 1/10th of tunable light source；Using four SC/ of band
The CWDM passive modules of APC connectors, 4 optical signals that can send four-way distributed feedback lasing light emitter are all incorporated into
Transmitted in a piece optical fiber, this root optical fiber, only need to be miniature by four-way when device couples simultaneously containing 4 different optical signals
The different passages insertion light power meter monitoring of fiber array, it is not necessary to go to switch photoswitch to select the wavelength letter needed
Number, because simultaneous transmission 4 kinds of signals in light source line, as long as coupling is good, four-way array waveguide grid chip can select automatically
Select corresponding wavelength, without adjust tunable light source and switching photoswitch, it is simple to operate, in addition using the cost of CWDM passive modules when
/ 40th of photoswitch, cost is greatly lowered；Fibre junction is carried out using optical fiber align device, its connecting loss is typically flat
Between 0.03 0.05dB；The connecting loss requirement of 4CH-AWG devices coupling is fully met, and optical fiber align device is cold joint
Instrument, failure is few, hardly with how maintaining, and price is only 1/10th of optical fiber splicer.
Brief description of the drawings
Fig. 1 is the overall construction drawing of array waveguide grating coupling debugging light channel structure of the present utility model.
Label declaration：
1 four-way distributed feedback lasing light emitter
The CWDM passive modules of 2 four, band SC/APC connectors
The 3 spool light source lines with SC/APC connectors
4 optical fiber align devices
5 enter to hold single fiber tail optical fiber
6 four-way array waveguide grid chips
7 output end four-way mini optical fibre arrays
8 accurate sextuple adjusting brackets
9 light power meters.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Realization of the present utility model is described in detail below in conjunction with specific embodiment,
Embodiment 1：
As shown in figure 1, the utility model provides a kind of array waveguide grating coupling debugging light channel structure, it includes four-way
Distributed feedback lasing light emitter（4CH-DFB light sources）1st, four SC/APC of band（Square connector/ Angled physical
Contactor is square/inclined-plane physical contact）The CWDM of connector（Coarse Wavelength Division
Multiplexing, CWDM）Passive module 2, the spool light source line 3 with SC/APC connectors, optical fiber align device 4, enter
Hold single fiber tail optical fiber 5, four-way array waveguide grating（4CH-AWG, 4-Channel Arrayed Waveguide Gratings）
Chip 6, output end four-way mini optical fibre array 7, accurate sextuple adjusting bracket 8, light power meter 9.
The four-way distributed feedback lasing light emitter 1, the CWDM passive modules 2 of four SC/APC connectors of the band, institute
State the spool light source line 3 with SC/APC connectors, the optical fiber align device 4, described enter to hold single fiber tail optical fiber 5, the four-way battle array
Train wave Waveguide Grating chip 6, the output end four-way mini optical fibre array 7 and the light power meter 9 are sequentially connected.It is described to enter to hold
Single fiber tail optical fiber 5, the four-way array waveguide grid chip 6, the output end four-way mini optical fibre array 7 are loaded in described
On accurate sextuple adjusting bracket 8.
The output wavelength of four-way distributed feedback lasing light emitter 1 is 1271nm, 1291nm, 1311nm, 1331nm 4
Wavelength, the CWDM passive modules 2 of corresponding four SC/APC connectors of band, operation wavelength 1271nm, 1291nm, 1311nm,
4 wavelength of 1331nm.
The spool light source line 3 of the band SC/APC connectors uses G657B3 light source lines.
The debugging process principle of above-mentioned array waveguide grating coupling debugging light channel structure is as follows：
The four-way distributed feedback lasing light emitter 1 be used as coupled structure optical signal generating apparatus, its send 1271nm,
The optical signal of 4 different wave lengths of 1291nm, 1311nm, 1331nm, the CWDM via four SC/APC connectors of band are passive
The 2-in-1 ripple of module propagates the signal gathering of 4 wavelength in an optical fiber, then the spool light source via the band SC/APC connectors
Line 3 enters to hold single fiber tail optical fiber 5 to be connected by the optical fiber align device 4 with described, and institute is loaded on the sextuple adjusting bracket 8 of the precision
State four-way array waveguide grid chip 6 and the output end four-way mini optical fibre array 7, and by the output end four-way
The outermost optical fiber of mini optical fibre array 7 is inserted in the light power meter 9 after doing end face processing, even if whole light channel structure continues
Complete, then debug the sextuple adjusting bracket 8 of the precision again to monitor the optical loss numerical value on the light power meter 9；Only arrive
Debug within suitable loss value, the coupling debugging of device just terminates.
In summary, the utility model array waveguide grating coupling debugging light channel structure, it is distributed using single-point four-way anti-
The CWDM passive modules and optical fiber align device of four feedback formula lasing light emitter, band SC/APC connectors, novelty simple in construction, it is practical easily on
Hand, cost ineffective rate are high；Using four-way distributed feedback lasing light emitter, its wavelength and power stability are nearly identical to tunable optical
Source, and its cost only has 1/10th of tunable light source；Using the CWDM passive modules of four SC/APC connectors of band, can incite somebody to action
4 optical signals that four-way distributed feedback lasing light emitter is sent, which are all incorporated into an optical fiber, to be transmitted, and this root optical fiber contains simultaneously
There are 4 different optical signals, when device couples, only the different passages of four-way mini optical fibre array need to be inserted light power meter
Monitoring, it is not necessary to go to switch photoswitch to select the wavelength signals needed, because simultaneous transmission 4 kinds of letters in light source line
Number, as long as coupling is good, four-way array waveguide grid chip can automatically select corresponding wavelength, without adjusting tunable light source and cutting
Change photoswitch, it is simple to operate, in addition using CWDM passive modules cost light switch 1/40th, cost greatly drops
It is low；Fibre junction is carried out using optical fiber align device, its connecting loss average is between 0.03 0.05dB；Fully meet
The connecting loss requirement of 4CH-AWG devices coupling, and optical fiber align device is cold joint instrument, and failure is few, hardly with how safeguarding
Maintenance, and price is only 1/10th of optical fiber splicer.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (3)
- A kind of 1. array waveguide grating coupling debugging light channel structure, it is characterised in that including four-way distributed feedback lasing light emitter, CWDM passive modules with four SC/APC connectors, the spool light source line with SC/APC connectors, optical fiber align device, to enter end single Fine tail optical fiber, four-way array waveguide grid chip, output end four-way mini optical fibre array, accurate sextuple adjusting bracket and luminous power Meter, the four-way distributed feedback lasing light emitter, the CWDM passive modules of four SC/APC connectors of the band, the band SC/ The spool light source lines of APC connectors, the optical fiber align device, described enter to hold single fiber tail optical fiber, the four-way array waveguide grating Chip, the output end four-way mini optical fibre array and the light power meter are sequentially connected, described to enter to hold single fiber tail optical fiber, described Four-way array waveguide grid chip, the output end four-way mini optical fibre array load are in the sextuple adjusting bracket of precision On.
- 2. array waveguide grating coupling debugging light channel structure according to claim 1, it is characterised in that the band SC/APC The spool light source line of connector uses G657B3 light source lines.
- 3. array waveguide grating coupling debugging light channel structure according to claim 1, it is characterised in that the band SC/APC The spool light source line of connector enters to hold single fiber tail optical fiber to be connected by the optical fiber align device with described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720626041.0U CN206876924U (en) | 2017-06-01 | 2017-06-01 | A kind of array waveguide grating coupling debugging light channel structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720626041.0U CN206876924U (en) | 2017-06-01 | 2017-06-01 | A kind of array waveguide grating coupling debugging light channel structure |
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| CN201720626041.0U Expired - Fee Related CN206876924U (en) | 2017-06-01 | 2017-06-01 | A kind of array waveguide grating coupling debugging light channel structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441030A (en) * | 2019-07-24 | 2019-11-12 | 武汉光迅科技股份有限公司 | A kind of the channel alignment system and channel alignment method of slab guide class device |
| CN112068248A (en) * | 2020-09-28 | 2020-12-11 | 四川天邑康和通信股份有限公司 | Method for assembling wavelength division multiplexing device |
-
2017
- 2017-06-01 CN CN201720626041.0U patent/CN206876924U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441030A (en) * | 2019-07-24 | 2019-11-12 | 武汉光迅科技股份有限公司 | A kind of the channel alignment system and channel alignment method of slab guide class device |
| CN110441030B (en) * | 2019-07-24 | 2021-05-11 | 武汉光迅科技股份有限公司 | Channel alignment system and channel alignment method of planar waveguide device |
| CN112068248A (en) * | 2020-09-28 | 2020-12-11 | 四川天邑康和通信股份有限公司 | Method for assembling wavelength division multiplexing device |
| CN112068248B (en) * | 2020-09-28 | 2022-02-08 | 四川天邑康和通信股份有限公司 | Method for assembling wavelength division multiplexing device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20180601 |