CN204556886U - High integrated, low-loss, compact planar optical waveguide splitter - Google Patents
High integrated, low-loss, compact planar optical waveguide splitter Download PDFInfo
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- CN204556886U CN204556886U CN201520299325.4U CN201520299325U CN204556886U CN 204556886 U CN204556886 U CN 204556886U CN 201520299325 U CN201520299325 U CN 201520299325U CN 204556886 U CN204556886 U CN 204556886U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 36
- 239000013307 optical fiber Substances 0.000 claims abstract description 58
- 239000000835 fiber Substances 0.000 claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 239000003292 glue Substances 0.000 claims abstract description 9
- 239000004568 cement Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 208000028755 loss of height Diseases 0.000 claims 4
- 238000005452 bending Methods 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000741 silica gel Substances 0.000 abstract description 2
- 229910002027 silica gel Inorganic materials 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Optical Couplings Of Light Guides (AREA)
- Optical Integrated Circuits (AREA)
Abstract
The utility model relates to optical waveguide splitter, is specifically related to a kind of high integrated, low-loss, compact planar optical waveguide splitter.A kind of high integrated, low-loss, compact planar optical waveguide splitter, comprise input optical fibre, chip of light waveguide, input end fiber array and output terminal fiber array and output optical fibre, described input optical fibre, input end fiber array, chip of light waveguide, output terminal fiber array are connected successively with output optical fibre, described chip of light waveguide, input end fiber array and output terminal fiber array are assembled in steel box, it is characterized in that: described input optical fibre adopts the microstructured optical fibers of symmetrical three-core structure.The utility model, by improving the structure of optical waveguide splitter optical fiber, reduces bending loss and junction loss, thus improves the quality of optical branching device; Fixed form AB glue on the other hand between optical fiber and steel box substitutes conventional silica gel, enhances adhesive property, improves the serviceable life of optical branching device.
Description
Technical field
The utility model relates to optical waveguide splitter, is specifically related to a kind of high integrated, low-loss, compact planar optical waveguide splitter.
Background technology
At present, China FTTX (Optical Access Network) builds and progressively launches, progressively build up Full Fibre Network, except needing various structure optical distribution cable, leading in cable realizes continuing of fiber optic network and except reallocating, in E-PON, G-PON technology, optical branching device is also needed finally to complete fiber-to-the-home object in a large number.And aforesaid optical branching device is the core in FTTH optical device, it contains growth potential greatly, by becoming the main driving of FTTX market growth, life and challenge will be brought to optical communication manufacturing industry undoubtedly, and bringing again the space of high speed development also to optical communication enterprise simultaneously.According to the arrival of access network construction upsurge, from market present stage and tomorrow requirement developing state, optical branching device will become the main force in PON market.
Planar optical waveguide splitter has certain loss in the process of Signal transmissions, and as polarization loss, bending loss, junction loss etc., reducing its various loss is an important channel of improving planar optical waveguide splitter quality.
Utility model content
For above-mentioned prior art, the purpose of this utility model is to provide a kind of high integrated, low-loss, compact planar optical waveguide splitter, improves bending loss and the junction loss of optical waveguide splitter, thus improves the quality of optical branching device.For realizing this object, the utility model adopts following technical scheme:
A kind of high integrated, low-loss, compact planar optical waveguide splitter, comprise input optical fibre, chip of light waveguide, input end fiber array and output terminal fiber array and output optical fibre, described input optical fibre, input end fiber array, chip of light waveguide, output terminal fiber array is connected successively with output optical fibre, described chip of light waveguide, input end fiber array and output terminal fiber array are assembled in steel box, described input optical fibre adopts the microstructured optical fibers of symmetrical three-core structure, the center of described microstructured optical fibers and the deviation of waveguide core are no more than 0.5 μm, connect to realize low-loss.The microstructured optical fibers of three-core structure make use of the resonance phenomena of optical fiber, achieves the separation of polarization state, reaches the object being separated polarized light at fiber-optic output.
Further, described output optical fibre adopts bimodulus step optical fiber.Dual mode optical fiber has low bend loss and low junction loss.
Further, described output optical fibre comprises high index of refraction fibre core and is arranged in low-refraction covering, coat and the jacket layer around it.
Further, described input optical fibre is connected with input end fiber array through the outer wall of steel box, and the interface of described input optical fibre and steel box is fixed by AB glue; Described output optical fibre is connected with output terminal fiber array through the outer wall of steel box, and the interface of described output optical fibre and steel box is fixed by AB glue.AB adhesive curing is good and bonding is fixing, can effective fixed fiber.
Further, input end fiber array, chip of light waveguide, output terminal fiber array glass cement are fixed in box body.
To compare prior art, the beneficial effect that the utility model has: on the one hand by improving the structure of optical waveguide splitter optical fiber, reduce bending loss and junction loss, thus improve the quality of optical branching device; Fixed form AB glue on the other hand between optical fiber and steel box substitutes conventional silica gel, enhances adhesive property, improves the serviceable life of optical branching device.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model optical fiber splitter;
Fig. 2 is the cross-sectional structure schematic diagram of output optical fibre in the utility model;
In figure, 1-input optical fibre, 2-chip of light waveguide, 31-input end fiber array, 32-output terminal fiber array, 4-output optical fibre, 41-high index of refraction fibre core, 42-low-refraction covering, 43-coat, 44-jacket layer, 5-steel box.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is further described.
A kind of high integrated, low-loss, compact planar optical waveguide splitter, comprise input optical fibre 1, chip of light waveguide 2, input end fiber array 31 and output terminal fiber array 32 and bimodulus step output optical fibre 4, described input optical fibre 1, input end fiber array 31, chip of light waveguide 2, output terminal fiber array 32 are connected successively with output optical fibre 4, described chip of light waveguide 2, input end fiber array 31 and output terminal fiber array 32 are assembled in steel box 5, and described input optical fibre 1 adopts the microstructured optical fibers of symmetrical three-core structure; Described input optical fibre) be connected with input end fiber array 31 through the outer wall of steel box 5, the interface of described input optical fibre 1 and steel box 5 is fixed by AB glue; Described output optical fibre 4 is connected with output terminal fiber array 32 through the outer wall of steel box 5, and the interface of described output optical fibre 4 and steel box 5 is fixed by AB glue; Input end fiber array 31, chip of light waveguide 2, output terminal fiber array 32 are fixed in box body with glass cement.
Described output optical fibre 4 comprises high index of refraction fibre core 41 and is arranged in low-refraction covering 42, coat 43 and the jacket layer 44 around it.
Technique manufacturing process of the present utility model is: first carry out optical cable cutting, carries out fiber array manufacture; Planar optical waveguide splitter chip and fiber array are coupled, carry out plug; Divide fine; Wear fibre; Then ready optical branching-device chip and fiber array are bonded on steel box; Test; After having tested, input optical fibre and output optical fibre point glue are fixed; Close lid.
Last it is noted that above embodiment only in order to illustrate the present invention and and unrestricted technical scheme described in the invention; Therefore, although this instructions with reference to each above-mentioned embodiment to present invention has been detailed description, those of ordinary skill in the art should be appreciated that and still can modify to the present invention or equivalent to replace; And all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, it all should be encompassed in right of the present invention.
Claims (5)
1. one kind high integrated, low-loss, compact planar optical waveguide splitter, comprise input optical fibre (1), chip of light waveguide (2), input end fiber array (31) and output terminal fiber array (32) and output optical fibre (4), described input optical fibre (1), input end fiber array (31), chip of light waveguide (2), output terminal fiber array (32) is connected successively with output optical fibre (4), described chip of light waveguide (2), input end fiber array (31) and output terminal fiber array (32) are assembled in steel box (5), it is characterized in that: described input optical fibre (1) adopts the microstructured optical fibers of symmetrical three-core structure, the center of described microstructured optical fibers and the deviation of waveguide core are no more than 0.5 μm.
2. integrated, the low-loss of height according to claim 1, compact planar optical waveguide splitter, is characterized in that: described output optical fibre (4) adopts bimodulus step optical fiber.
3. integrated, the low-loss of height according to claim 2, compact planar optical waveguide splitter, is characterized in that: described output optical fibre (4) comprises high index of refraction fibre core (41) and is arranged in covering covering (42), coat (43) and the jacket layer (44) around it.
4. integrated, the low-loss of height according to claim 1, compact planar optical waveguide splitter, it is characterized in that: described input optical fibre (1) is connected with input end fiber array (31) through the outer wall of steel box (5), and the interface of described input optical fibre (1) and steel box (5) is fixed by AB glue; Described output optical fibre (4) is connected with output terminal fiber array (32) through the outer wall of steel box (5), and the interface of described output optical fibre (4) and steel box (5) is fixed by AB glue.
5. integrated, the low-loss of height according to claim 1, compact planar optical waveguide splitter, is characterized in that: input end fiber array (31), chip of light waveguide (2), output terminal fiber array (32) are fixed in box body with glass cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520299325.4U CN204556886U (en) | 2015-05-11 | 2015-05-11 | High integrated, low-loss, compact planar optical waveguide splitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520299325.4U CN204556886U (en) | 2015-05-11 | 2015-05-11 | High integrated, low-loss, compact planar optical waveguide splitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204556886U true CN204556886U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520299325.4U Expired - Fee Related CN204556886U (en) | 2015-05-11 | 2015-05-11 | High integrated, low-loss, compact planar optical waveguide splitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204556886U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340571A (en) * | 2017-06-24 | 2017-11-10 | 安徽经远电子科技有限公司 | A kind of planar optical waveguide power splitter |
| CN108169848A (en) * | 2016-12-07 | 2018-06-15 | 镇江常畅光伏电子有限公司 | Highly integrated, low-loss, compact planar optical waveguide splitter |
-
2015
- 2015-05-11 CN CN201520299325.4U patent/CN204556886U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169848A (en) * | 2016-12-07 | 2018-06-15 | 镇江常畅光伏电子有限公司 | Highly integrated, low-loss, compact planar optical waveguide splitter |
| CN107340571A (en) * | 2017-06-24 | 2017-11-10 | 安徽经远电子科技有限公司 | A kind of planar optical waveguide power splitter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |