CN102262265A - Planar optical waveguide splitter applied to Fibre To The Home (FTTH) system - Google Patents
Planar optical waveguide splitter applied to Fibre To The Home (FTTH) system Download PDFInfo
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- CN102262265A CN102262265A CN2010101833546A CN201010183354A CN102262265A CN 102262265 A CN102262265 A CN 102262265A CN 2010101833546 A CN2010101833546 A CN 2010101833546A CN 201010183354 A CN201010183354 A CN 201010183354A CN 102262265 A CN102262265 A CN 102262265A
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Abstract
A planar optical waveguide splitter applied to a Fibre To The Home (FTTH) system is disclosed. The splitter is mainly composed of a housing (1), a single input optical fibre (2) and an output optical fibre array (3). The single input optical fibre (2) and the output optical fibre array (3) are located on the same side of the housing (1). A 1*N type optical waveguide chip (4) is arranged in the housing (1). The single input optical fibre (2) is connected to the input end of the 1*N type optical waveguide chip (4), while the output optical fibre array (3) is connected to the output end of the 1*N type optical waveguide chip (4). The splitter disclosed by the invention is capable of splitting one branch of optical signal into 64 branches of optical signals at most, thereby solving the problem of FTTH of 64 families simultaneously. By employing the planar optical waveguide splitter, the network construction cost can be greatly reduced and the use cost of each user is reduced; and meanwhile, more network bandwidth can be provided for the users so that the user can enjoy more network resources.
Description
Technical field
The present invention relates to a kind of optical waveguide splitter, especially a kind of planar optical waveguide splitter that is applied to the FTTH system.
Background technology
Fiber to the home, also claims FTTH (Fiber to The Home), refers to optical network unit is installed in domestic consumer or enterprise customer place.The remarkable technical characterstic of FTTH is the bandwidth that not only provides bigger, and has strengthened the transparency of network to data form, speed, wavelength and agreement, has relaxed requirements such as environmental baseline and power supplies, has simplified installation and working service.
People increase considerably the demand of multimedia application such as remote teaching, tele-medicine, video conference, and ecommerce is the typical focus of network application especially.Simultaneously, people also have higher requirement to the network bandwidth and speed, impel network by low speed at a high speed, by sharing to exchange, developing rapidly to the broadband direction by the arrowband.FTTH has begun in the international market to obtain fairly large commercialization and present bright development prospect at present, and FTTH builds has had considerable scale in many countries.
Optical fiber splitter (Coupler) claims splitter (Splitter) again, as the core light device in the FTTH network, can realize that 1 * N from the local side to user connects.Belong to light passive component field, in telecommunication network route, cable television network, user loop system, local-area network, all can be applied to.
Light signal need be divided into the several light signal with one road light signal during from primary transmission to the sub-district, can use planar optical waveguide splitter to solve.The planar optical waveguide splitter type is many, and type has from 1x2 to 1x64 etc., that is to say that maximum can be divided into 1 road light signal 64 road light signals, solves 64 family families simultaneously Fiber to the home problem.
The volume of the fused biconical taper formula optical fiber splitter that generally uses is bigger at present.Port number is many more, and volume is big more, and dependability reduces, and installing space is restricted.
Planar optical waveguide (PLC) shunt is the optical fiber splitter that adopts integrated optics technique to produce, as the core light device in Fiber to the home the network.PLC shunt compact conformation, volume is less, can be directly installed in the existing various cross-connecting box, does not need particular design to reserve very big installing space.But at present, planar optical waveguide splitter (PLC Splitter) is import, and it costs an arm and a leg.
Summary of the invention
The object of the present invention is to provide a kind of 1xN type planar optical waveguide splitter, is the planar optical waveguide splitter of a kind of FTTH of being applied to system, solves in the FTTH system light signal problem along separate routes.
Technical scheme of the present invention is:
A kind of planar optical waveguide splitter that is applied to the FTTH system, it mainly is made up of shell, single input optical fibre and output optical fibre array, described single input optical fibre and output optical fibre array are positioned at the same side of shell, be provided with 1 * N type chip of light waveguide in the shell, single input optical fibre connects the input end of 1 * N type chip of light waveguide, and the output optical fibre array connects the output terminal of 1 * N type chip of light waveguide.
As preferably, described 1 * N type chip of light waveguide is 1 * 64 type chip of light waveguide.Described 1 * N type chip of light waveguide comprises 1 input end waveguide light path, optical waveguide Y branch and 64 output terminal waveguide light paths.Described 1 input end waveguide light path connects single input optical fibre, and 64 output terminal waveguide light paths connect the output optical fibre array.Described 1 input end waveguide light path by some optical waveguide Y branch through repeatedly along separate routes the back connect 64 output terminal waveguide light paths.
The invention has the beneficial effects as follows:
The planar optical waveguide splitter of a kind of FTTH of being applied to of the present invention system can reduce network construction cost greatly, reduces each user's use cost, can provide the more network bandwidth to the user simultaneously, allows the user can enjoy more Internet resources.
The present invention also has following advantage:
1, loss is insensitive to optical wavelength transmission, can satisfy the transmission needs of different wave length;
2, beam split is even, can give how tame user with the signal uniform distribution;
3, compact conformation, volume is small and exquisite, can be directly installed in the existing various cross-connecting box, does not need particular design to reserve very big installing space;
4, single device divided channel is a lot, can reach 64 the tunnel; Divide way many, cost advantage is obvious.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention.
Fig. 2 is a side structure synoptic diagram of the present invention.
Fig. 3 is an optical waveguide schematic diagram of the present invention.
Among the figure: 1 is that shell, 2 is that single input optical fibre, 3 is that output optical fibre array, 4 is that 1 * N type chip of light waveguide, 5 is that optical waveguide Y branch, 6 is that 1 input end waveguide light path, 7 is 64 output terminal waveguide light paths.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described:
A kind of planar optical waveguide splitter that is applied to the FTTH system, it mainly is made up of shell 1, single input optical fibre 2 and output optical fibre array 3, described single input optical fibre 2 and output optical fibre array 3 are positioned at the same side of shell 1, be provided with 1 * N type chip of light waveguide 4 in the shell 1, single input optical fibre 2 connects the input end of 1 * N type chip of light waveguide 4, and output optical fibre array 3 connects the output terminal of 1 * N type chip of light waveguide 4.
In order further to reduce network construction cost, 1 * N type chip of light waveguide 4 of the present invention is 1 * 64 type chip of light waveguide.1 * N type chip of light waveguide 4 comprises 1 input end waveguide light path 6, optical waveguide Y branch 5 and 64 output terminal waveguide light paths 7.1 input end waveguide light path 6 connects 2,64 output terminal waveguides of single input optical fibre light path 7 and connects output optical fibre array 3.1 input end waveguide light path 6 by some optical waveguide Y branch 5 through repeatedly along separate routes the back connect 64 output terminal waveguide light paths 7.
Manufacture craft of the present invention is as follows:
1, chip of light waveguide is made: on the wafer silicon chip, deposit layer of metal, and, by the method for photoetching and etching, the metal removal of waveguide position.With in the fused salt of waveguide wafer silicon chip house for exchange, by the method for ion-exchange, produce waveguide, thereby produce chip of light waveguide then.
2, chip of light waveguide encapsulation: cut into slices to the waveguide wafer is arranged, on the section waveguide surface, add one deck glass cover-plate then waveguide is protected, glass cover-plate and waveguide wafer coupons are fixed together with glue.
3, waveguide core slice lapping: input end and output terminal in the chip waveguide grind out the inclined-plane at 8 degree angles.
4, the V-type groove is made: according to actual needs, carry out photoetching on silicon chip surface, produce N V-type groove, when N≤4, the center distance of V-type groove is 250 microns, and V-type groove angle is 60 degree, when N＞4, the center distance of V-type groove is 127 microns, and V-type groove angle is 60 degree.
5, fiber array is made: the optical fiber of front end being removed overlay is put into the V-type groove, puts one deck glass sheet then on optical fiber, fixes with glue after pushing down glass sheet.Grind out 8 degree angles at fiber array then.
6, coupling: fiber array and chip of light waveguide are coupled and aligned, with glue fiber array and chip of light waveguide are bonded together then.
7, encapsulation: add stainless-steel tube protection at the good planar optical waveguide splitter of coupling earlier.
8, optical fiber assembling: loose sleeve pipe is fixed on the ABS box; then packaged planar optical waveguide splitter is put into the ABS box; the ribbon fiber of planar optical waveguide splitter output terminal is separated into independently optical fiber; be divided into 64 optical fiber as 64 core ribbon fibers; optical fiber is penetrated loose sleeve pipe to be protected; at last ABS lid is covered, planar optical waveguide splitter is protected.
9, joints of optical fibre assembling: the other end at loose sleeve pipe adds the joints of optical fibre.
Claims (5)
1. planar optical waveguide splitter that is applied to the FTTH system, it is characterized in that it mainly is made up of shell (1), single input optical fibre (2) and output optical fibre array (3), described single input optical fibre (2) and output optical fibre array (3) are positioned at the same side of shell (1), be provided with 1 * N type chip of light waveguide (4) in the shell (1), single input optical fibre (2) connects the input end of 1 * N type chip of light waveguide (4), and output optical fibre array (3) connects the output terminal of 1 * N type chip of light waveguide (4).
2. a kind of planar optical waveguide splitter that is applied to the FTTH system according to claim 1 is characterized in that described 1 * N type chip of light waveguide (4) is 1 * 64 type chip of light waveguide.
3. a kind of planar optical waveguide splitter that is applied to the FTTH system according to claim 2 is characterized in that described 1 * N type chip of light waveguide (4) comprises 1 input end waveguide light path (6), optical waveguide Y branch (5) and 64 output terminal waveguide light paths (7).
4. a kind of planar optical waveguide splitter that is applied to the FTTH system according to claim 3 is characterized in that described 1 input end waveguide light path (6) connects single input optical fibre (2), and 64 output terminal waveguide light paths (7) connect output optical fibre array (3).
5. a kind of planar optical waveguide splitter that is applied to the FTTH system according to claim 3, it is characterized in that described 1 input end waveguide light path (6) by some optical waveguide Y branches (5) through repeatedly along separate routes the back connect 64 output terminal waveguide light paths (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010183354.6A CN102262265B (en) | 2010-05-26 | 2010-05-26 | Planar optical waveguide splitter applied to Fibre To The Home (FTTH) system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010183354.6A CN102262265B (en) | 2010-05-26 | 2010-05-26 | Planar optical waveguide splitter applied to Fibre To The Home (FTTH) system |
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| Publication Number | Publication Date |
|---|---|
| CN102262265A true CN102262265A (en) | 2011-11-30 |
| CN102262265B CN102262265B (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010183354.6A Active CN102262265B (en) | 2010-05-26 | 2010-05-26 | Planar optical waveguide splitter applied to Fibre To The Home (FTTH) system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928913A (en) * | 2012-11-27 | 2013-02-13 | 上海光芯集成光学股份有限公司 | Chip structure for program logic controller (PLC) optical branching device |
| CN103149632A (en) * | 2011-12-07 | 2013-06-12 | 镇江华坚电子有限公司 | One-split-into-64-path waveguide optical splitter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200989951Y (en) * | 2006-10-24 | 2007-12-12 | 深圳新飞通光电子技术有限公司 | One division 64 channel planar light waveguide light shunt |
| CN201413402Y (en) * | 2009-03-31 | 2010-02-24 | 上海光城邮电通信设备有限公司 | Planar waveguide light-way divider |
| CN201804129U (en) * | 2010-05-26 | 2011-04-20 | 江苏俊知传感技术有限公司 | PLC splitter applied to FTTH system |
-
2010
- 2010-05-26 CN CN201010183354.6A patent/CN102262265B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200989951Y (en) * | 2006-10-24 | 2007-12-12 | 深圳新飞通光电子技术有限公司 | One division 64 channel planar light waveguide light shunt |
| CN201413402Y (en) * | 2009-03-31 | 2010-02-24 | 上海光城邮电通信设备有限公司 | Planar waveguide light-way divider |
| CN201804129U (en) * | 2010-05-26 | 2011-04-20 | 江苏俊知传感技术有限公司 | PLC splitter applied to FTTH system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149632A (en) * | 2011-12-07 | 2013-06-12 | 镇江华坚电子有限公司 | One-split-into-64-path waveguide optical splitter |
| CN102928913A (en) * | 2012-11-27 | 2013-02-13 | 上海光芯集成光学股份有限公司 | Chip structure for program logic controller (PLC) optical branching device |
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| Publication number | Publication date |
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| CN102262265B (en) | 2014-03-19 |
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