CN108828724A - A kind of N × M optical switching matrix cascading mems optical switch - Google Patents
A kind of N × M optical switching matrix cascading mems optical switch Download PDFInfo
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- CN108828724A CN108828724A CN201811069355.0A CN201811069355A CN108828724A CN 108828724 A CN108828724 A CN 108828724A CN 201811069355 A CN201811069355 A CN 201811069355A CN 108828724 A CN108828724 A CN 108828724A
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- optical switch
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- 230000003287 optical effect Effects 0.000 title claims abstract description 138
- 239000011159 matrix material Substances 0.000 title claims abstract description 24
- 239000013307 optical fiber Substances 0.000 claims abstract description 29
- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001282153 Scopelogadus mizolepis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
- G02B6/3546—NxM switch, i.e. a regular array of switches elements of matrix type constellation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/3542—Non-blocking switch, e.g. with multiple potential paths between multiple inputs and outputs, the establishment of one switching path not preventing the establishment of further switching paths
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Optical Communication System (AREA)
Abstract
The present invention is a kind of N × M optical switching matrix for cascading mems optical switch, and input optical switch group is N number of identical 1 × M mems optical switch, each there is M+1 root tail optical fiber, wherein No. 0 is input terminal, remaining is input switch terminal.Output light switching group is M identical 1 × N mems optical switches, each there is N+1 root tail optical fiber, wherein No. 0 is output end, remaining is output switch terminal.1~No. M input switch terminal of i-th of mems optical switch of input optical switch group in order, successively with i-th output switch terminal phase welding of each of M mems optical switch of output switching group, forms the optical switching matrix of N × M.Each mems optical switch is separately connected control circuit, and control centre's connection N+M control circuit of control controls N+M mems optical switch.It can be exported from the signal light of any input in N number of input port from the either port in M output port, realize the clog-free switching optical switching matrix of N × M optical path of low cost.
Description
Technical field
The present invention relates to technical field of photo communication, specially a kind of N × M optical switching matrix for cascading mems optical switch.
Background technique
Need to use light exchange in many occasions of optical communication field, and photoswitch is a kind of important portion for realizing light exchange
Part.Photoswitch more mature at present includes mechanical optical switch, MEMS (Micro-Electro-Mechanical-System) light
Switch and magneto-optic shutter.Wherein magneto-optic shutter switching speed is most fast, but the exchange scope that single switch is able to achieve at present is smaller,
And volume is larger is not easy to cascade extension, is not able to satisfy the needs of fairly large light exchange.And mechanical optical switch is although adjacent
Channel switching time is close with mems switch, is a millisecond magnitude, but because mechanical optical switch must successively switch light in order
Channel, therefore mechanical optical switch switching time when carrying out non-adjacent channel and switching is the several times of mems optical switch.And it is mechanical
Formula photoswitch is mostly motor or relay driving, and volume weight is larger.
The mems optical switch of extensive M × N channel can be theoretically manufactured, but since mems optical switch manufacture craft is multiple
It is miscellaneous, the exchange scope of single mems optical switch is limited, even if 64 × 64 single mems optical switch is successfully produced at present, but
Its manufacturing cost is fairly expensive, it is difficult to practical.
Summary of the invention
The purpose of the present invention is design a kind of N × M optical switching matrix for cascading mems optical switch, including input optical switch group
N number of 1 × M mems optical switch and M 1 × N mems optical switches of output light switching group mutually cascade, constitute light and exchange square
Battle array, N+M control circuit control each mems optical switch respectively, realize the clog-free switching of the full light of N × M.
A kind of N × M the optical switching matrix for cascade mems optical switch that the present invention designs, including input optical switch group and output
Photoswitch group, input optical switch group are N number of identical 1 × M mems optical switch, and output light switching group is M identical 1 × N
Mems optical switch, M and N are the integer of 1~n, n≤64.Each of input optical switch group 1 × M mems optical switch has M+1 root
Tail optical fiber, wherein one input tail optical fiber 0 is used as input common end, remaining 1~No. M input tail optical fiber is as input switch terminal.Output
Each of photoswitch group 1 × N mems optical switch has N+1 root to export tail optical fiber, wherein one output tail optical fiber 0 public as output
End altogether, remaining 1~No. N output tail optical fiber is as output switch terminal.
N number of input common end of input optical switch group, i.e. No. 0 input tail optical fiber of N root, as N × M optical switching matrix
N number of input port, M output common end of output light switching group, i.e. No. 0 output tail optical fiber of M root, as N × M optical switching matrix
M output port.
N number of 1 × M mems optical switch of input optical switch group by 1., 2. ... i ... N serial number, output light switching group
M 1 × N mems optical switches by I, II ... j ... M serial number.The 1 of i-th of mems optical switch of input optical switch group~
No. M input switch terminal is according to number sequence from small to large, i.e., by the sequence of i1, i2 ... iM successively M with output switching group
I-th output switch terminal of each of a mems optical switch, i.e. I i, II i ... Mi phase welding, the N of input optical switch group
Each tail optical fiber of a 1 × M mems optical switch and the M of output light switching group 1 × N mems optical switches is as above formed after welding one by one
The optical switching matrix of one N × M, or referred to as N × M optical switching network.
N number of mems optical switch of input optical switch group and M mems optical switch of output light switching group are respectively controlled with one
Circuit connection is controlled by it, control centre's connection N+M control circuit of control.It is opened to which control centre controls N+M MEMS light
Each of close, the signal light inputted from the either port in N number of input port can be from the either end in M output port
Mouth output, when optical path switches, established optical path does not influence the foundation of new optical path, realizes the clog-free switching of N × M optical path.
N number of mems optical switch of the input optical switch group and M mems optical switch of output light switching group be single mode or
Multimode mems optical switch.
Compared with prior art, a kind of the advantages of N × M optical switching matrix of cascade mems optical switch of the invention, is：1,
By multiple structures, relatively simple, the small-scale mems optical switch of 1 × M is cascaded, to realize the nothing of extensive N × Metzler matrix
Block light exchange；2, the small-scale mems optical switch price of 1 × M is relatively cheap, and matrix combines simple process, and existing single big
Scale MEMS optical switching array is compared, and cost reduces half or so, is conducive to promote and apply；3, established optical path does not influence newly
The foundation of optical path, all of the port can carry out clog-free light exchange；4, control centre can control N+M mems optical switch, cut at a high speed
Change optical channel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of 8 × 16 optical switching matrixs of the same level connected MEMS photoswitch.
Specific embodiment
N × M optical switching matrix embodiment of the same level connected MEMS photoswitch, N=8, M=16, as cascade mems optical switch
8 × 16 optical switching matrixs, schematic diagram is as shown in Figure 1.
This example input optical switch group is 8 identical 1 × 16MEMS photoswitches, and output light switching group is 16 identical 1
× 8MEMS photoswitch.Each of input optical switch group 1 × 16MEMS photoswitch has 17 tail optical fibers, wherein tail optical fiber 0 work
To input common end, remaining 1~No. 16 tail optical fiber is as input switch terminal.Each of output light switching group 1 × 8MEMS photoswitch
There are 9 output tail optical fibers, wherein one tail optical fiber 0 is output common end, remaining 1~No. 8 tail optical fiber is as output switch terminal.
8 input common ends of input optical switch group, i.e. 8 No. 0 input tail optical fibers, as 8 × 16 optical switching matrix of this example
8 input ports, 16 output common ends of output light switching group, i.e. 16 No. 0 output tail optical fibers, as 8 × 16 light exchange
16 output ports of matrix.
81 × 16MEMS photoswitches of input optical switch group by 1., 2. ... i ... 8. serial number, output light switching group
16 1 × 8MEMS photoswitches by I, II ... j ... Ⅹ VI serial numbers.I-th of mems optical switch of input optical switch group
Sequence of 1~No. 16 input switch terminal according to number from small to large, i.e., successively switched with output by the sequence of i1, i2 ... i16
I-th output switch terminal of each of 16 mems optical switches of group, i.e., with I i, II i ... Ⅹ VI i phase weldings.Such as figure
Shown in 1,1~No. 16 input switch terminal of 1. number 1 × 16MEMS photoswitch of input optical switch group, successively with output light switching group
I, II ... No. 1 output switch terminal phase welding of Ⅹ No. VI 1 × 8MEMS photoswitches；Input optical switch group 2. number 1 ×
1~No. 16 input switch terminal of 16MEMS photoswitch, successively with the I of output light switching group, II ... Ⅹ No. VI 1 × 8MEMS light are opened
No. 2 output switch terminal phase weldings closed；Until 1~No. 16 input of 8. number 1 × 16MEMS photoswitch of input optical switch group is cut
Change end, successively with the I of output light switching group, II ... No. 8 output switch terminal phase weldings of Ⅹ No. VI 1 × 8MEMS photoswitches；It is defeated
Enter each tail optical fiber of 81 × 16MEMS photoswitches of photoswitch group and 16 1 × 8MEMS photoswitches of output light switching group one by one
One 8 × 16 optical switching matrix, or referred to as 8 × 16 optical switching networks are formed after welding.
8 mems optical switches of input optical switch group and 16 mems optical switches of output light switching group are respectively controlled with one
Circuit connection is controlled by it, control centre's connection 24 control circuits of control.To which control centre controls 24 mems optical switches
Each of, the signal light inputted from the either port in 8 input ports can be from the either end in 16 output ports
Mouth output, when optical path switches, established optical path does not influence the foundation of new optical path, realizes the clog-free switching of 8 × 16 optical paths.
8 mems optical switches of this example input optical switch group and 16 mems optical switches of output light switching group be single mode or
Multimode mems optical switch.
The cost of this example is only 50% or so of existing single 8 × 16 optical switching array of MEMS.
Above-described embodiment is only further described the purpose of the present invention, technical scheme and beneficial effects specific
A example, present invention is not limited to this.All any modifications made within the scope of disclosure of the invention, change equivalent replacement
Into etc., it is all included in the scope of protection of the present invention.
Claims (3)
1. a kind of N × M optical switching matrix for cascading mems optical switch, including input optical switch group and output light switching group, special
Sign is：The input optical switch group is N number of identical 1 × M mems optical switch；The output light switching group is M identical
1 × N mems optical switch, M and N are the integer of 1~n, n≤64；Each of input optical switch group 1 × M mems optical switch has M
+ 1 tail optical fiber, wherein one input tail optical fiber 0 is used as input common end, remaining 1~No. M input tail optical fiber is as input switch terminal；
Each of output light switching group 1 × N mems optical switch has N+1 root to export tail optical fiber, wherein one output tail optical fiber 0 is output
Common end, remaining 1~No. N output tail optical fiber are known as exporting switch terminal；
N number of input common end of input optical switch group, i.e. No. 0 input tail optical fiber of N root, as the N number of of N × M optical switching matrix
Input port, M output common end of output light switching group, i.e. No. 0 output tail optical fiber of M root, the M as N × M optical switching matrix
A output port；
N number of 1 × M mems optical switch of input optical switch group by 1., 2. ... i ... N serial number, the M of output light switching group
1 × N mems optical switch by I, II ... j ... M serial number；1~No. M of i-th of mems optical switch of input optical switch group is defeated
Enter switch terminal according to number sequence from small to large, i.e., by the sequence of i1, i2 ... iM successively M MEMS with output switching group
I-th output switch terminal of each of photoswitch, i.e. I i, II i ... Mi phase welding, N number of 1 × M of input optical switch group
Each tail optical fiber of mems optical switch and the M of output light switching group 1 × N mems optical switches as above formed after welding one by one a N ×
The optical switching matrix of M；
N number of 1 × M mems optical switch of input optical switch group and the M of output light switching group 1 × N mems optical switches are respectively with one
A control circuit connection is controlled by it, control centre's connection N+M control circuit of control.
2. N × M optical switching matrix of cascade mems optical switch according to claim 1, it is characterised in that：N≤64.
3. N × M optical switching matrix of cascade mems optical switch according to claim 1, it is characterised in that：The input light
N number of 1 × M mems optical switch of switching group and M 1 × N mems optical switches of output light switching group are single mode or multimode MEMS
Photoswitch.
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| CN201811069355.0A CN108828724A (en) | 2018-09-13 | 2018-09-13 | A kind of N × M optical switching matrix cascading mems optical switch |
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| CN201811069355.0A CN108828724A (en) | 2018-09-13 | 2018-09-13 | A kind of N × M optical switching matrix cascading mems optical switch |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213680A (en) * | 2019-05-30 | 2019-09-06 | 西安电子科技大学 | A kind of light crosspoint design method of multi-wavelength |
| CN112083530A (en) * | 2020-09-27 | 2020-12-15 | 北京泛在云科技有限公司 | NxM blocked low-cost optical cross matrix |
| CN112203169A (en) * | 2020-09-15 | 2021-01-08 | 武汉光迅科技股份有限公司 | Optical switching device based on waveguide matrix structure |
| CN113286207A (en) * | 2021-05-25 | 2021-08-20 | 中国电子科技集团公司第三十四研究所 | High-order MXN optical switching matrix for all-optical switching |
| WO2023071009A1 (en) * | 2021-10-25 | 2023-05-04 | 中兴通讯股份有限公司 | Optical switch apparatus and optical module test system |
| CN117579482A (en) * | 2023-12-05 | 2024-02-20 | 广东保伦电子股份有限公司 | Fiber matrix cascading method, system, equipment and storage medium |
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| CN106501901A (en) * | 2016-12-16 | 2017-03-15 | 中国电子科技集团公司第三十四研究所 | A kind of mems optical switch module of N × N channel |
| CN206515510U (en) * | 2016-12-16 | 2017-09-22 | 中国电子科技集团公司第三十四研究所 | A kind of mems optical switch module of N × N channel |
| CN208721833U (en) * | 2018-09-13 | 2019-04-09 | 中国电子科技集团公司第三十四研究所 | A kind of N × M optical switching matrix cascading mems optical switch |
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| CN1424600A (en) * | 2002-12-30 | 2003-06-18 | 清华大学 | Optical switch matrix |
| CN1548996A (en) * | 2003-05-14 | 2004-11-24 | 烽火通信科技股份有限公司 | Constition and control method for light switch matrix with shielding purpose |
| CN1548995A (en) * | 2003-05-15 | 2004-11-24 | 烽火通信科技股份有限公司 | Constitution and control method for odd-port light switch matrix |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213680A (en) * | 2019-05-30 | 2019-09-06 | 西安电子科技大学 | A kind of light crosspoint design method of multi-wavelength |
| CN110213680B (en) * | 2019-05-30 | 2021-05-18 | 西安电子科技大学 | Multi-wavelength optical switching unit design method |
| CN112203169A (en) * | 2020-09-15 | 2021-01-08 | 武汉光迅科技股份有限公司 | Optical switching device based on waveguide matrix structure |
| CN112083530A (en) * | 2020-09-27 | 2020-12-15 | 北京泛在云科技有限公司 | NxM blocked low-cost optical cross matrix |
| CN112083530B (en) * | 2020-09-27 | 2022-11-29 | 北京泛在云科技有限公司 | NxM blocked low-cost optical cross matrix |
| CN113286207A (en) * | 2021-05-25 | 2021-08-20 | 中国电子科技集团公司第三十四研究所 | High-order MXN optical switching matrix for all-optical switching |
| WO2023071009A1 (en) * | 2021-10-25 | 2023-05-04 | 中兴通讯股份有限公司 | Optical switch apparatus and optical module test system |
| CN117579482A (en) * | 2023-12-05 | 2024-02-20 | 广东保伦电子股份有限公司 | Fiber matrix cascading method, system, equipment and storage medium |
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