CN203365727U - Device for changing attribute of input-output channel of fiber array and optical switch - Google Patents
Device for changing attribute of input-output channel of fiber array and optical switch Download PDFInfo
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- CN203365727U CN203365727U CN 201320459603 CN201320459603U CN203365727U CN 203365727 U CN203365727 U CN 203365727U CN 201320459603 CN201320459603 CN 201320459603 CN 201320459603 U CN201320459603 U CN 201320459603U CN 203365727 U CN203365727 U CN 203365727U
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Abstract
The utility model relates to the technical field of optical communications, and specifically relates to a device for changing the attribute of an input-output channel of a fiber array and an optical switch. The device comprises the fiber array and an optical waveguide chip, and the optical waveguide chip is provided with waveguide channels respectively corresponded and coupled to fibers in the fiber array. The device is additionally provided with the optical waveguide chip, the channel attribute of two terminals of the waveguide channel can be designed to be different, the manufacture of the waveguide channel on the optical waveguide chip is provided with more advantages, the channel attribute which is not easy or possible to be achieved of the fiber array can be achieved, and the device lays a good basis for performance optimization of the optical switch.
Description
Technical field
The utility model relates to the optical communication technology field, relates in particular to a kind of device and photoswitch that changes fiber array IO channel attribute.
Background technology
Photoswitch is the Primary Component of modern optical communication field, and along with the development trend of optical-fiber network high capacity, high speed, multiport number, the photoswitch that high speed is switched, integration is good will become mainstream development target from now on.The technical scheme that realizes photoswitch has a lot, except traditional mechanical optical switch, also has magneto-optic shutter, M-Z type interfere type photoswitch, thermo-optical switch, acoustooptic switch, liquid crystal shutter and MEMS (MEMS (micro electro mechanical system)) photoswitch etc.No matter be traditional mechanical optical switch or mems optical switch, one of its cardinal principle is by controlling the anglec of rotation of tilting mirror, thereby changes the function that catoptrical direction realizes photoswitch.
As shown in Figure 1, for 1xN photoswitch in prior art, its input is 1 optical fiber, light is mapped on tilting mirror 3 after collimation lens 2 is straight, in the N root optical fiber that tilting mirror 3 feeds back out light reflection one, the N+1 root optical fiber 11 of input and output is processed into the fiber array 1 of two dimension or three-dimensional parallel arrangement usually, the attribute of IO channel comprises: the spacing between passage, the size of passage, numerical aperture, channel angle etc., above-described IO channel Attribute tuning for the performance optimization of photoswitch (such as reducing the demand of photoswitch to tilting mirror 3 angles, reduce Insertion Loss, improve photoswitch integrated level etc.) important role, current described IO channel attribute mainly is subject to the restriction of selected optical fiber and optical fiber arrangement technique, such as the spacing between optical fiber generally should not be less than fibre diameter, the numerical aperture of passage is defined as the numerical aperture of selected commercial optical fiber, the mode field diameter of passage is defined as the mode field diameter of selected commercial optical fiber, the orientation of fiber array is parallel arrangement etc. normally, has seriously restricted the improvement of photoswitch.
The utility model content
The purpose of this utility model is to provide a kind of device and photoswitch that changes fiber array IO channel attribute, and the performance optimization that described device is photoswitch is laid a good foundation.
The utility model is achieved in that a kind of device that changes fiber array IO channel attribute, comprises fiber array and chip of light waveguide, and described chip of light waveguide is provided with and optical fiber in the described fiber array waveguide channels of corresponding and coupling one by one.
Wherein, have a parameter difference in the channel attributes at described waveguide channels two ends at least, the parameter of described channel attributes comprises spacing between passage, channel sized, channel angle, numerical aperture and mode field diameter.
Wherein, the spacing between the passage of described waveguide channels and fiber array coupled end is D1, and the spacing between other end passage is D2, D1>D2.
Wherein, at least comprise one section curved waveguide on described all or part of waveguide channels.
Wherein, described part or all of optical-fibre channel is comprised of curved waveguide and straight wave guide.
Wherein, described fiber array and the chip of light waveguide bonding and coupling by glue.
Wherein, described fiber array is two-dimensional array or cubical array.
Wherein, the optical waveguide on described chip of light waveguide is planar optical waveguide, and material is silicon dioxide optical waveguide, silicon optical waveguide, polymer optical wave guide or glass-based ion exchange optical waveguide.
The beneficial effects of the utility model are: the device of change fiber array IO channel attribute described in the utility model is to have increased chip of light waveguide, described chip of light waveguide is provided with a plurality of waveguide channels, the channel attributes at described waveguide channels two ends can be designed to difference, the channel attributes of waveguide channels and fiber array coupled end and the IO channel attribute of fiber array are consistent, the waveguide channels other end is for coordinating with other element, the channel attributes of this end can arbitrarily design as required, make waveguide channels and there is more advantage on chip of light waveguide, can realize the channel attributes that fiber array is not easy or can not realize, such as the spacing between waveguide channels can be more small, arrangement position order between waveguide channels can change, can realize being different from the channel size of standard fiber core size, numerical aperture, mode field diameter, can adopt nonparallel passage to arrange etc.
Another kind of technical scheme of the present utility model is: a kind of photoswitch, the device, collimation lens and the tilting mirror that comprise change fiber array IO channel attribute recited above, described collimation lens is positioned at the other end that chip of light waveguide is relative with fiber array, and described tilting mirror is positioned at the rear of collimation lens.
Wherein, described fiber array is the three-dimensional fiber array be comprised of the multilayer two-dimension fiber array, identical and the stack of the number of plies of described chip of light waveguide quantity and 2-D optical fibre array arranges, described multilayer lightguide chip respectively with the coupling of one deck 2-D optical fibre array, described tilting mirror be pair rotating shaft tilting mirrors.
Adopt the photoswitch of above-mentioned change fiber array IO channel attribute device, utilize chip of light waveguide to realize the catoptrical input and output of photoswitch tilting mirror, because the waveguide channels on chip of light waveguide can be adjusted flexibly, the design freedom of the existing photoswitch based on tilting mirror can be increased, lower insertion loss, less tilting mirror angle requirement, higher photoswitch passage integrated level, less photoswitch size etc. can be realized.
The accompanying drawing explanation
Fig. 1 is the structure principle chart of 1xN photoswitch in prior art;
Fig. 2 is the structure principle chart of the device embodiment of change fiber array IO channel attribute described in the utility model;
Fig. 3 is the structure principle chart of photoswitch embodiment mono-described in the utility model;
Fig. 4 is the structure principle chart of photoswitch embodiment bis-described in the utility model;
Fig. 5 be in Fig. 4 A-A to diagrammatic cross-section;
Fig. 6 be in Fig. 4 B-B to diagrammatic cross-section.
Wherein, 1, fiber array; 11, optical fiber; 2, collimation lens; 3, tilting mirror; 4, chip of light waveguide; 41, waveguide channels; 42, curved waveguide; 43, straight wave guide; 5, glue.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.
The utility model discloses a kind of device that changes fiber array IO channel attribute, as shown in Figure 2, comprise fiber array 1 and chip of light waveguide 4, described chip of light waveguide 4 is provided with the optical fiber 11 interior with the described fiber array 1 corresponding also waveguide channels 41 of coupling one by one.
In the utility model, have a parameter difference in the channel attributes at described waveguide channels two ends at least, the parameter of described channel attributes comprises spacing between passage, channel sized, channel angle, numerical aperture and mode field diameter.
The device of change fiber array IO channel attribute described in the utility model is to have increased chip of light waveguide 4, described chip of light waveguide 4 is provided with a plurality of waveguide channels 41, the channel attributes at described waveguide channels 41 two ends can be designed to difference, the channel attributes of waveguide channels 41 and fiber array 1 coupled end and the IO channel attribute of fiber array 1 are consistent, waveguide channels 41 other ends are for coordinating with other element, the channel attributes of this end can arbitrarily design as required, make waveguide channels 41 and there is more advantage on chip of light waveguide 4, can realize the channel attributes that fiber array 1 is not easy or can not realize, such as the spacing between waveguide channels 41 can be more small, arrangement position order between waveguide channels 41 can change, can realize being different from the channel size of standard fiber core size, numerical aperture, mode field diameter, can adopt nonparallel passage to arrange etc.
As shown in Figure 3, for adopting the embodiment of the photoswitch of device described in Fig. 2, also assure straight lens 2 and tilting mirror 3, described collimation lens 2 is positioned at the other end that chip of light waveguide 4 is relative with fiber array 1, described tilting mirror 3 is positioned at the rear of collimation lens 2, described photoswitch is the 1xN photoswitch, its input is an optical fiber, light is mapped on tilting mirror 3 after collimation lens 2 is straight, in the N root optical fiber that tilting mirror 3 feeds back out light reflection one, the N+1 root optical fiber 11 of input and output is processed into the fiber array 1 of two dimension or three-dimensional parallel arrangement usually.
Adopt the photoswitch of above-mentioned change fiber array IO channel attribute device, utilize chip of light waveguide 4 to realize the catoptrical input and output of photoswitch tilting mirror 3, because the waveguide channels 41 on chip of light waveguide 4 can be adjusted flexibly, the design freedom of the existing photoswitch based on tilting mirror can be increased, lower insertion loss, less tilting mirror angle requirement, higher photoswitch passage integrated level, less photoswitch size etc. can be realized.
In the present embodiment, spacing between the passage of described waveguide channels 41 and fiber array 1 coupled end is D1, spacing between other end passage is D2, D1>D2, the D2 minimum can be 5 μ m, and the minimum spacing D1 that fiber array 1 can be realized is generally more than 250 μ m, so photoswitch is lower to the angle requirement of tilting mirror 3, photoswitch passage integrated level can be higher, the photoswitch size can accomplish less, thereby realize the channel attributes that fiber array can not be realized.
In the present embodiment, at least comprise one section curved waveguide 42 on partial waveguide passage 41, so that waveguide channels 41 forms bending, thereby the spacing between passage is dwindled, front end and tail end at waveguide channels 41 preferably adopt straight wave guide 43, with introducing and the outgoing that facilitates light, when the partial waveguide passage does not need to change position, can by straight wave guide 43, be formed fully.
Embodiment bis-as photoswitch of the present invention, as shown in Figures 4 to 6, be that with embodiment mono-difference described fiber array is the MxN photoswitch, the three-dimensional fiber array formed by M layer 2-D optical fibre array, identical and the stack of the number of plies of described chip of light waveguide 4 quantity and 2-D optical fibre array is arranged, bonding by glue between multilayer light wave chip, described multilayer lightguide chip 4 is coupled with one deck 2-D optical fibre array respectively, and described tilting mirror 3 is two rotating shaft tilting mirrors.
Due to the impact that is subject to the optical fiber arrangement spacing, three-dimensional fiber array spacing between layers is larger, can cause the volume of photoswitch too large, and integrated level can't further improve.In the present embodiment, staggered mutually in multilayer two-dimension fiber array position, thereby solve 2-D optical fibre array arrangement pitches problem, can make fiber array thickness thinner, utilize curved waveguide 42 and straight wave guide 43 on chip of light waveguide 4 again the IO channel of photoswitch to be rearranged, form the comparatively matrix of standard, thereby reduce the angle requirement to tilting mirror 3, photoswitch can be realized higher integrated level.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a device that changes fiber array IO channel attribute, is characterized in that, comprises fiber array and chip of light waveguide, and described chip of light waveguide is provided with and optical fiber in the described fiber array waveguide channels of corresponding and coupling one by one.
2. change according to claim 1 the device of fiber array IO channel attribute, it is characterized in that, have a parameter difference in the channel attributes at described waveguide channels two ends at least, the parameter of described channel attributes comprises spacing between passage, channel sized, channel angle, numerical aperture and mode field diameter.
3. change according to claim 1 the device of fiber array IO channel attribute, it is characterized in that, the spacing between the passage of described waveguide channels and fiber array coupled end is D1, and the spacing between other end passage is D2, D1>D2.
4. according to the device of the described change fiber array of claims 1 to 3 any one IO channel attribute, it is characterized in that, at least comprise one section curved waveguide on described all or part of waveguide channels.
5. change according to claim 4 the device of fiber array IO channel attribute, it is characterized in that, described part or all of optical-fibre channel is comprised of curved waveguide and straight wave guide.
6. according to the device of the described change fiber array of claims 1 to 3 any one IO channel attribute, it is characterized in that, described fiber array and chip of light waveguide be bonding and coupling by glue.
7. according to the device of the described change fiber array of claims 1 to 3 any one IO channel attribute, it is characterized in that, described fiber array is two-dimensional array or cubical array.
8. according to the device of the described change fiber array of claims 1 to 3 any one IO channel attribute, it is characterized in that, optical waveguide on described chip of light waveguide is planar optical waveguide, and material is silicon dioxide optical waveguide, silicon optical waveguide, polymer optical wave guide or glass-based ion exchange optical waveguide.
9. a photoswitch, it is characterized in that, comprise device, collimation lens and the tilting mirror of the described change fiber array of claim 1 to 7 any one IO channel attribute, described collimation lens is positioned at the other end that chip of light waveguide is relative with fiber array, and described tilting mirror is positioned at the rear of collimation lens.
10. photoswitch according to claim 9, it is characterized in that, described fiber array is the three-dimensional fiber array be comprised of the multilayer two-dimension fiber array, identical and the stack of the number of plies of described chip of light waveguide quantity and 2-D optical fibre array is arranged, described multilayer lightguide chip is coupled with one deck 2-D optical fibre array respectively, and described tilting mirror is two rotating shaft tilting mirrors.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320459603 CN203365727U (en) | 2013-07-19 | 2013-07-19 | Device for changing attribute of input-output channel of fiber array and optical switch |
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| CN 201320459603 CN203365727U (en) | 2013-07-19 | 2013-07-19 | Device for changing attribute of input-output channel of fiber array and optical switch |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730622A (en) * | 2015-03-27 | 2015-06-24 | 苏州天步光电技术有限公司 | Intensive multi-channel optical fiber array |
| CN104849807A (en) * | 2015-04-27 | 2015-08-19 | 南京大学 | Turning device of high-density waveguide superlattice |
| CN106019490A (en) * | 2016-08-01 | 2016-10-12 | 中国电子科技集团公司第三十四研究所 | MEMS optical switch module with 1*N channels |
| CN107305270A (en) * | 2016-04-25 | 2017-10-31 | 迈络思科技有限公司 | Compact optical fiber shunt |
| CN107533196A (en) * | 2015-05-04 | 2018-01-02 | 华为技术有限公司 | Three-dimensional 3D photon chips are to optical fiber inserter |
| CN108761654A (en) * | 2018-06-22 | 2018-11-06 | 武汉驿路通科技股份有限公司 | A kind of connector for active light module |
| CN108828715A (en) * | 2018-06-07 | 2018-11-16 | 武汉驿路通科技股份有限公司 | A kind of optical channel array transducer chip |
| CN109445037A (en) * | 2018-11-19 | 2019-03-08 | 华中科技大学 | A kind of 1 × N-port photoswitch based on array optical waveguide and MEMS micromirror |
| CN109738988A (en) * | 2018-12-26 | 2019-05-10 | 上海交通大学 | All solid state horizontal two-dimension beam steering arrangements based on lens |
| CN111025474A (en) * | 2019-11-05 | 2020-04-17 | 浙江大学 | Silicon waveguide mode coupler covering SU-8 cladding based on refractive index regulation |
-
2013
- 2013-07-19 CN CN 201320459603 patent/CN203365727U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730622A (en) * | 2015-03-27 | 2015-06-24 | 苏州天步光电技术有限公司 | Intensive multi-channel optical fiber array |
| CN104849807A (en) * | 2015-04-27 | 2015-08-19 | 南京大学 | Turning device of high-density waveguide superlattice |
| CN107533196A (en) * | 2015-05-04 | 2018-01-02 | 华为技术有限公司 | Three-dimensional 3D photon chips are to optical fiber inserter |
| CN107305270A (en) * | 2016-04-25 | 2017-10-31 | 迈络思科技有限公司 | Compact optical fiber shunt |
| CN106019490A (en) * | 2016-08-01 | 2016-10-12 | 中国电子科技集团公司第三十四研究所 | MEMS optical switch module with 1*N channels |
| CN108828715A (en) * | 2018-06-07 | 2018-11-16 | 武汉驿路通科技股份有限公司 | A kind of optical channel array transducer chip |
| CN108761654A (en) * | 2018-06-22 | 2018-11-06 | 武汉驿路通科技股份有限公司 | A kind of connector for active light module |
| CN109445037A (en) * | 2018-11-19 | 2019-03-08 | 华中科技大学 | A kind of 1 × N-port photoswitch based on array optical waveguide and MEMS micromirror |
| CN109738988A (en) * | 2018-12-26 | 2019-05-10 | 上海交通大学 | All solid state horizontal two-dimension beam steering arrangements based on lens |
| CN109738988B (en) * | 2018-12-26 | 2020-05-05 | 上海交通大学 | All-solid-state horizontal two-dimensional light beam steering device based on lens |
| CN111025474A (en) * | 2019-11-05 | 2020-04-17 | 浙江大学 | Silicon waveguide mode coupler covering SU-8 cladding based on refractive index regulation |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000, Zhongxing new industrial park, 1 new head road, Bantian street, Longgang District, Guangdong, Shenzhen Patentee after: SINDI TECHNOLOGIES CO.,LTD. Address before: 518129, Zhongxing new industrial park, 1 new road, Shenzhen street, Bantian street, Longgang District, Guangdong, China Patentee before: Shenzhen Zhongxing Xindi Telecom Equipment Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |