CN203720397U - Chip structure of PLC multimode waveguide optical divider - Google Patents
Chip structure of PLC multimode waveguide optical divider Download PDFInfo
- Publication number
- CN203720397U CN203720397U CN201320815696.4U CN201320815696U CN203720397U CN 203720397 U CN203720397 U CN 203720397U CN 201320815696 U CN201320815696 U CN 201320815696U CN 203720397 U CN203720397 U CN 203720397U
- Authority
- CN
- China
- Prior art keywords
- waveguide
- multimode
- plc
- optical
- width
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Optical Integrated Circuits (AREA)
Abstract
The utility model relates to a chip structure of a PLC multimode waveguide optical divider. The chip structure comprises a glass substrate and a glass cover sheet, wherein the glass cover sheet covers the glass substrate and is bonded with the glass substrate through a UV adhesive layer; an optical waveguide is buried in the glass substrate, is a multimode optical waveguide and is used for performing multichannel distribution on optical energy input by a multimode fiber; a functional structure comprises a 1*N optical waveguide or a 2*N optical waveguide, and N is selected from 2, 4, 8, 16 and 32; and the diameter of the multimode optical waveguide is 30-350 microns. Compared with the prior art, the chip structure has the advantages of non-sensitive wavelength, no mode selectivity and the like.
Description
Technical field
The utility model relates to one and belongs to integrated optics field, especially relates to a kind of chip structure of PLC multimode waveguide optical branching device.
Background technology
Along with the investment orientation of optical fiber communication is by communication trunk, Metropolitan Area Network (MAN), LAN (Local Area Network), private etc. are to the development of FTTH, and the market demand of the basic device optical branching device of FTTH also constantly expands.Have at present the optical branching device of two types, a kind of is traditional fused biconical taper formula optical fiber splitter, and one is PLC optical branching device.Wherein to have volume little because of it for PLC optical branching device, and the advantage such as integrated level is high, the non-wavelength sensitive of splitting ratio, is now in the leading position in FTTH market.
Optical branching device comprises multimode shunt and single mode shunt, and single mode is generally used in all-wave communication band 1260nm--1620nm, and multimode is usually used in 850nm/1310nm, and single mode shunt uses two single-mode fibers to manufacture, and multimode shunt uses multimode optical fiber to manufacture.
Multimode optical fiber because of its bending resistance strong, good mechanical property, the degree of accuracy of butt junction requires low application convenient, to the series of advantages such as low that require of light source, aspect data switching center and some Military Application, is being widely used.Can be according to application needs, 1 × 2 chip of the different splitting ratios of manufacture 50/50,40/60,30/70,20/80,10/90 etc.Compare with fused biconical taper, it is non-sensitive that PLC type multimode shunt device has wavelength, and the advantage such as non-mode selectivity.Large also have the little advantage of size than (1 point 4,1 points 8 etc.) in situation along separate routes.But also do not have at present PLC type shunt to be single mode shunt, also there is no at present multimode shunt device.
Summary of the invention
The purpose of this utility model is exactly the chip structure that a kind of PLC multimode waveguide optical branching device is provided in order to overcome the defect that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions: a kind of chip structure of PLC multimode waveguide optical branching device, comprise glass substrate and cover glass, cover glass lid is located on glass substrate, and bonds by UV glue-line, and optical waveguide has been buried in described glass substrate inside; It is characterized in that, described optical waveguide is multimode lightguide, is the luminous energy of multimode optical fiber input is carried out to multichannel distribution, and functional structure comprises 1 × N-type optical waveguide or 2 × N-type optical waveguide, wherein N=2,4,8,16 or 32.The diameter of this multimode lightguide is 30～350 μ m.
In described 1 × N-type optical waveguide when N=2, its structure is made up of side branch-waveguide, circular arc waveguide, horn-like waveguide and the side output waveguide of main waveguide and connection successively, wherein side branch-waveguide is arranged in main waveguide, and the width W 1 of main waveguide is 15～350 μ m; The width W 4 of side output waveguide is 15～350 μ m.
Included angle A 6 between described main waveguide and side branch-waveguide is 0.5～15 degree; The width W 2 of side branch-waveguide is 10～350 μ m.
Width W 3 spans of described circular arc waveguide are 15～350 μ m, and the scope of its radius of curvature R 5 is 5000～100000 μ m.
The taper end width of described horn-like waveguide is identical with W3, and butt end width is identical with W4, and the scope of its length L 12 is 500～40000 μ m.
Described main waveguide is respectively connected the multimode waveguide branched structure described in side output waveguide end, form 1 × 4 branched structure, and continue to connect described multimode waveguide branched structure at its end, form 1 × 8 branched structure, form 1 × 16 branched structure or form 1 × 32 branched structure.
The splitting ratio of 1 × 2 type optical waveguide is 50/50,40/60,30/70,20/80 or 10/90, and described splitting ratio refers to the ratio of the power of the light intensity of two output ports of 1 × 2.
Existing fused tapered multimode optical divider is compared, the utility model PLC multimode optical divider has non-wavelength sensitivity (at operating wavelength range 400nm～1650nm, input wavelength changes, light splitting ratio also can not change), the advantage of non-model selection (input light source difference, light splitting ratio also can not change).Compared with filtering chip multimode optical divider, there is better mechanical shock resistance (structure of whole solid state), working temperature (60 DEG C～+ 85 DEG C) widely, larger return loss (shunt end face can become 8 degree oblique angles by grinding and polishing, has improved return loss).
The utility model multimode optical divider chip can be coupled well with multimode optical fiber, coupling loss is less than 0.3dB/ end face, can be as required, manufacture for the various functional devices in multimode optical fiber communication system, typical case has 1 × 2 chip of 50/50,40/60,30/70,20/80,10/90 etc. different splitting ratios.Compare with fused tapered couplers, it is non-sensitive that PLC type multimode shunt device has wavelength, and the advantage such as non-mode selectivity.Large also have the little advantage of size than (1 point 4,1 points 8,1 points 16 etc.) in situation along separate routes.
When splitting ratio 50/50, can on single splitter chip, realize even 1 point of N (N=2,4,8,16,32) structure, compare with the multimode hyperchannel shunt of similar function, there is compact size, advantage is easily installed.
According to application demand, can mate 50/125 or 62.5/125 multimode optical fiber, and 80 microns of core diameters, 100 microns or 100 microns of above multimode plastic optical fibers.The relative ordinary optic fibre of plastic optical fiber is cheap, but because material non-refractory can not be made shunt by fused biconical taper technique.What plastic optical fiber adopted along separate routes now is the conversion of photoelectricity-electric light, equipment complexity and power consumption.Shunt of the present utility model is applicable to multimode optical fiber, can save complicated equipment and electric power.And existing PLC is single mode shunt, cannot obtain PLC multimode shunt and be because, existing PECVD technology is that vapour deposition process plated film obtains waveguide, this method can only obtain the waveguide below thickness 20 μ m, in the time that thickness is too large, rete itself can, because material stress problem produces slight crack, can not obtain the waveguide of large core diameter.There is not stress problem in the ion-exchange process that the utility model adopts, can make as required core diameter even waveguide of 300 μ m more than 50 μ m, can mate with various multimode optical fibers, realizes specific function.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment 1
A chip structure for PLC multimode waveguide optical branching device, comprises glass substrate and cover glass, and cover glass lid is located on glass substrate, and bonds by UV glue-line, and optical waveguide has been buried in described glass substrate inside; Described optical waveguide is multimode lightguide, is the luminous energy of multimode optical fiber input is carried out to multichannel distribution, and functional structure comprises 1 × N-type optical waveguide or 2 × N-type optical waveguide, wherein N=2,4,8,16 or 32.The diameter of this multimode lightguide is 30～350 μ m,
In described 1 × N-type optical waveguide when N=2, its structure as shown in Figure 1, side branch-waveguide 8, circular arc waveguide 9, horn-like waveguide 10 and side output waveguide 11 by main waveguide 7 and connection successively form, and wherein side branch-waveguide 8 is arranged in main waveguide 7, and the width W 1 of main waveguide 7 is 15 μ m; The width W 4 of side output waveguide 11 is 15 μ m.
Included angle A 6 between described main waveguide 7 and side branch-waveguide 8 is 0.5 degree; The width W 2 of side branch-waveguide 8 is 10 μ m.
Width W 3 spans of described circular arc waveguide 9 are 15 μ m, and the scope of its radius of curvature R 5 is 5000 μ m.
The taper end width of described horn-like waveguide 10 is identical with W3, and butt end width is identical with W4, and the scope of its length L 12 is 500 μ m.
Described main waveguide 7 is respectively connected the multimode waveguide branched structure described in side output waveguide 11 ends, form 1 × 4 branched structure, and continue to connect described multimode waveguide branched structure at its end, form 1 × 8 branched structure, form 1 × 16 branched structure or form 1 × 32 branched structure.
The splitting ratio of 1 × 2 type optical waveguide is 50/50,40/60,30/70,20/80 or 10/90, and described splitting ratio refers to the ratio of the power of the light intensity of two output ports of 1 × 2.
Embodiment 2
Referring to Fig. 1, in described 1 × N-type optical waveguide when N=2, side branch-waveguide 8, circular arc waveguide 9, horn-like waveguide 10 and side output waveguide 11 by main waveguide 7 and connection successively form, and wherein side branch-waveguide 8 is arranged in main waveguide 7, and the width W 1 of main waveguide 7 is 350 μ m; The width W 4 of side output waveguide 11 is 350 μ m.
Included angle A 6 between described main waveguide 7 and side branch-waveguide 8 is 0.5～15 degree; The width W 2 of side branch-waveguide 8 is 350 μ m.
Width W 3 spans of described circular arc waveguide 9 are 350 μ m, and the scope of its radius of curvature R 5 is 100000 μ m.
The taper end width of described horn-like waveguide 10 is identical with W3, and butt end width is identical with W4, and the scope of its length L 12 is 40000 μ m.
Described main waveguide 7 is respectively connected the multimode waveguide branched structure described in side output waveguide 11 ends, form 1 × 4 branched structure, and continue to connect described multimode waveguide branched structure at its end, form 1 × 8 branched structure, form 1 × 16 branched structure or form 1 × 32 branched structure.
The splitting ratio of 1 × 2 type optical waveguide is 50/50,40/60,30/70,20/80 or 10/90, and described splitting ratio refers to the ratio of the power of the light intensity of two output ports of 1 × 2.
Embodiment 3
In described 1 × N-type optical waveguide when N=2, its structure is referring to Fig. 1, side branch-waveguide, circular arc waveguide, horn-like waveguide and side output waveguide by main waveguide and connection successively form, and wherein side branch-waveguide is arranged in main waveguide, and the width W 1 of main waveguide is 150 μ m; The width W 4 of side output waveguide is 150 μ m.
Included angle A 6 between described main waveguide and side branch-waveguide is 10 degree; The width W 2 of side branch-waveguide is 100 μ m.
Width W 3 spans of described circular arc waveguide are 150 μ m, and the scope of its radius of curvature R 5 is 10000 μ m.
The taper end width of described horn-like waveguide is identical with W3, and butt end width is identical with W4, and the scope of its length L 12 is 10000 μ m.All the other are with embodiment 1.
Embodiment 4
Functional structure comprises 1 × 4 type optical waveguide.The diameter of this multimode lightguide is 30 μ m.All the other are with embodiment 1.
Embodiment 5
Functional structure comprises 1 × 8 type optical waveguide.The diameter of this multimode lightguide is 350 μ m.All the other are with embodiment 1.
Embodiment 6
Functional structure comprises 2 × 2 type optical waveguides.The diameter of this multimode lightguide is 10 μ m.All the other are with embodiment 1.
Embodiment 7
Functional structure comprises 2 × 16 type optical waveguides.The diameter of this multimode lightguide is 100 μ m.All the other are with embodiment 1.
Embodiment 8
Functional structure comprises 2 × 32 type optical waveguides.The diameter of this multimode lightguide is 200 μ m.All the other are with embodiment 1.
Claims (7)
1. a chip structure for PLC multimode waveguide optical branching device, comprises glass substrate and cover glass, and cover glass lid is located on glass substrate, and bonds by UV glue-line, and optical waveguide has been buried in described glass substrate inside; It is characterized in that, described optical waveguide is multimode lightguide, is the luminous energy of multimode optical fiber input is carried out to multichannel distribution, and functional structure comprises 1 × N-type optical waveguide or 2 × N-type optical waveguide, wherein N=2,4,8,16 or 32.The diameter of this multimode lightguide is 30～350 μ m.
2. the chip structure of a kind of PLC multimode waveguide optical branching device according to claim 1, it is characterized in that, in described 1 × N-type optical waveguide when N=2, its structure is made up of side branch-waveguide (8), circular arc waveguide (9), horn-like waveguide (10) and the side output waveguide (11) of main waveguide (7) and connection successively, wherein side branch-waveguide (8) is arranged on main waveguide (7) above, and the width W 1 of main waveguide (7) is 15～350 μ m; The width W 4 of side output waveguide (11) is 15～350 μ m.
3. the chip structure of a kind of PLC multimode waveguide optical branching device according to claim 2, is characterized in that, the included angle A 6 between described main waveguide (7) and side branch-waveguide (8) is 0.5～15 degree; The width W 2 of side branch-waveguide (8) is 10～350 μ m.
4. the chip structure of a kind of PLC multimode waveguide optical branching device according to claim 2, is characterized in that, width W 3 spans of described circular arc waveguide (9) are 15～350 μ m, and the scope of its radius of curvature R 5 is 5000～100000 μ m.
5. the chip structure of a kind of PLC multimode waveguide optical branching device according to claim 2, it is characterized in that, the taper end width of described horn-like waveguide (10) is identical with W3, and butt end width is identical with W4, and the scope of its length L 12 is 500～40000 μ m.
6. the chip structure of a kind of PLC multimode waveguide optical branching device according to claim 2, it is characterized in that, described main waveguide (7) is respectively connected the multimode waveguide branched structure described in side output waveguide (11) end, form 1 × 4 branched structure, and continue to connect described multimode waveguide branched structure at its end, form 1 × 8 branched structure, form 1 × 16 branched structure or form 1 × 32 branched structure.
7. the chip structure of a kind of PLC multimode waveguide optical branching device according to claim 2, is characterized in that, the splitting ratio of 1 × 2 type optical waveguide is 50/50,40/60,30/70,20/80 or 10/90, described splitting ratio refers to the ratio of the power of the light intensity of two output ports of 1 × 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320815696.4U CN203720397U (en) | 2013-12-11 | 2013-12-11 | Chip structure of PLC multimode waveguide optical divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320815696.4U CN203720397U (en) | 2013-12-11 | 2013-12-11 | Chip structure of PLC multimode waveguide optical divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720397U true CN203720397U (en) | 2014-07-16 |
Family
ID=51159537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320815696.4U Withdrawn - After Issue CN203720397U (en) | 2013-12-11 | 2013-12-11 | Chip structure of PLC multimode waveguide optical divider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616743A (en) * | 2013-12-11 | 2014-03-05 | 上海光芯集成光学股份有限公司 | Chip structure of PLC (programmable logic controller) multimode waveguide optical divider |
-
2013
- 2013-12-11 CN CN201320815696.4U patent/CN203720397U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616743A (en) * | 2013-12-11 | 2014-03-05 | 上海光芯集成光学股份有限公司 | Chip structure of PLC (programmable logic controller) multimode waveguide optical divider |
| CN103616743B (en) * | 2013-12-11 | 2015-12-30 | 上海光芯集成光学股份有限公司 | A kind of chip structure of PLC multimode waveguide optical branching device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104459881A (en) | Wavelength division multiplexing type silicon substrate optical receiving chip insensitive to polarization | |
| CN108426533B (en) | Sensor for detecting diameter of micro-nano optical fiber and manufacturing method thereof | |
| CN108490546B (en) | Optical waveguide mode converter for improving optical waveguide transmission characteristics | |
| EP3199994A1 (en) | Optical coupler and method for branching light using optical coupler | |
| CN105589223A (en) | Multi-core optical fiber beam splitter with phase modulation function | |
| CN103163590A (en) | Two-core optical splitter | |
| US9897770B2 (en) | Fibre stub device and method using butt coupling for receptacled photonic devices | |
| CN202837591U (en) | Diaphragm type optical fiber laser coupler | |
| CN203720397U (en) | Chip structure of PLC multimode waveguide optical divider | |
| CN101741475B (en) | Fiber-to-the-home planar lightwave circuit triplexer | |
| WO2016015578A1 (en) | Optical coupling device and optical module | |
| CN201402330Y (en) | Min-size optical splitter | |
| CN103616743B (en) | A kind of chip structure of PLC multimode waveguide optical branching device | |
| CN201654271U (en) | Planar optical waveguide type single-fiber three-way multiplexer used for fiber to the home | |
| CN201378213Y (en) | Hybrid integrated component of single-fiber bidirectional wavelength division multiplexer | |
| CN105182568B (en) | A kind of thermo-optical switch of low-loss ultra wide band | |
| CN204556886U (en) | High integrated, low-loss, compact planar optical waveguide splitter | |
| CN111025474B (en) | Silicon waveguide mode coupler covering SU-8 cladding based on refractive index regulation | |
| CN102928913B (en) | A kind of chip structure of PLC optical branching device | |
| CN202939326U (en) | Small-size high-integration chip structure of PLC optical divider | |
| CN112764164A (en) | Optical fiber device, manufacturing method and optical fiber internal acoustic Mach-Zehnder interferometer | |
| CN101551489A (en) | One multiply N power splitter comprising wavelength selectivity | |
| CN105116499A (en) | Parallel optical module based on multi-mode planar optical waveguide coupling | |
| CN112083528A (en) | Bidirectional optical splitter and manufacturing method thereof | |
| CN104238229A (en) | Mach-Zehnder fiber-optic interferometer tunable in free spectral range |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20151230 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |