CN103986670B - A kind of acquisition methods of smooth exchange chip performance - Google Patents
A kind of acquisition methods of smooth exchange chip performance Download PDFInfo
- Publication number
- CN103986670B CN103986670B CN201410168179.1A CN201410168179A CN103986670B CN 103986670 B CN103986670 B CN 103986670B CN 201410168179 A CN201410168179 A CN 201410168179A CN 103986670 B CN103986670 B CN 103986670B
- Authority
- CN
- China
- Prior art keywords
- exchange chip
- light
- light exchange
- performance
- port
- 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.)
- Expired - Fee Related
Links
Landscapes
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a kind of acquisition methods of smooth exchange chip performance, all routing modes determined by connection request are exchanged by the light of user, determine to form the configuration status of photoswitch in light exchange chip under different routing modes, further according to ranks alternating path by mode get the performance of the light exchange chip under different photoswitch configuration statuses.Such method is adapted to randomly topologically structured light exchange chip, and acquisition methods are simple, while has the advantages of expansible, efficiency is low and simple and easy.
Description
Technical field
The invention belongs to technical field of photo communication, more specifically, is related to a kind of acquisition side of smooth exchange chip performance
Method.
Background technology
Networks of Fiber Communications turns into telecommunications network, computer net, cable television network or even the Internet of Things to receive much attention at present
Important support, its technological achievement penetrated into numerous areas, constantly affected the life style of people.Networks of Fiber Communications
Development be unable to do without optical transport and light exchanges (processing) two big core technology.However, " optical-electrical-optical " that generally uses at present is handed over
Change/processing mode is difficult to match with high speed fibre transmission, turn into and restrict the bottleneck that further develops of fiber information network.Photon
The information processing technology is considered as the effective means for solving this " electronic bottleneck ", turns into the forward position research in the range of the world today
Field.
The communication network of a new generation is gradually to all optical networks evolution, and optical exchange structure is as all optical networks
Core technology, determine light exchange capacity, function and the performance of network.Realize that extensive light exchanges using integreted phontonics technology
Chip has turned into the study hotspot in optical information processing field, and optical switch construction is the elementary cell for forming light exchange chip, at present
The port number of report it is most be 8 × 8 smooth exchange chips based on silicon slider-Mach-Zehnder interferometer (SOI-MZI).When
Before, CMOS standard process techniques are used in the world, design, are prepared and are opened up based on the extensive of SOI-MRR optical switch elements
Light exchange chip is opened up, any exchange of 16 × 16 ports can be achieved.Wherein, light exchange chip performance is tied with light exchange chip topology
Structure, exchange chip technological design and exchange chip drive circuit etc. are closely related, the development and application to Networks of Fiber Communications
Serve vital effect.Design, preparation, modularized encapsulation and the test of one complete photon count statistic integrated chip need
Long time is wanted, and needs to expend substantial amounts of human and material resources and financial resources, using calculating or emulates light exchange chip performance
Method, the design cycle of photon integrated chip can be greatly shortened.
The acquisition methods of existing smooth exchange chip performance are according to specific photoswitch topological structure, are transmitted according to signal
Path, using the method for transmission matrix, calculated one by one, therefore this method is not general, poor expandability, and
Its calculation scale by very fast with the expansion of switch scale increases, and when switch scale becomes very large, it is calculated
Process will become extremely complex, and in face of the optical communication technique of rapid growth, the topological structure and scale of photoswitch will be in constantly
Among variation, the performance of light exchange chip can not be tested well using traditional acquisition methods.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of acquisition methods of smooth exchange chip performance,
The multicast luminous power corresponding to ranks alternating path calculates each input port as by way of, match somebody with somebody so as to get given photoswitch
Light exchange chip performance under configuration state, there is the characteristics of expansible, efficiency is low and simple and easy.
For achieving the above object, a kind of acquisition methods of smooth exchange chip performance of the present invention, it is characterised in that including
Following steps：
(1) configuration mode of photoswitch, is determined；
All routing modes according to determined by the light of user exchanges connection request, determine to form under different routing modes
The configuration status of photoswitch in light exchange chip；
(2) the topology information table of light exchange chip, is built；
The light field that each component units of light exchange chip are obtained according to the photoswitch configuration status under the first routing mode passes
Defeated matrix information, the topology information table of light exchange chip is built in conjunction with the link information of each component units in light exchange chip,
Wherein light exchange chip component units include optical switch element, crossing waveguide, and realize between optical switch element and crossing waveguide
The direct-connected waveguide of connection；
(3) multicast luminous power corresponding to each input port, is calculated；
According to the topology information table of light exchange chip, output work corresponding to each input port in light extraction exchange chip is calculated
Rate, multicast luminous power corresponding to as each input port；
(4) performance of light exchange chip, is obtained；
According to multicast op-tical power information corresponding to each input port, each input port and corresponding output port are calculated
Between insertion loss and crosstalk, so as to get the light exchange chip performance under the configuration status；
After the completion of light exchange chip performance under the first routing mode obtains, continue a kind of routing mode under obtaining
Light exchange chip performance, and perform the same treatment of the first routing mode successively, to the last a kind of routing mode, so as to obtain
Get the light exchange chip performance under various routing modes.
The performance of wherein described light exchange chip includes：Insertion loss and output light between each input/output port
Signal to noise ratio (OSNR), and crosstalk etc., wherein, OSNR is included with frequency input and alien frequencies input.
Further, described insertion loss and the acquisition methods of crosstalk are：Common transmission matrix calculation is turned
Turn to ranks alternating path by calculation, so as to calculate in light extraction exchange chip inserting between input port and corresponding output port
Enter loss and crosstalk.
What the goal of the invention of the present invention was realized in：
The acquisition methods of light exchange chip performance of the present invention, all roads determined by connection request are exchanged by the light of user
By mode, determine to form the configuration status of photoswitch in light exchange chip under different routing modes, further according to ranks alternating path
By mode get the performance of the light exchange chip under different photoswitch configuration statuses.Such method is adapted to arbitrary topology knot
The light exchange chip of structure, and acquisition methods are simple, while there is the advantages of expansible, efficiency is low and simple and easy.
Meanwhile the acquisition methods of light exchange chip performance of the present invention also have the advantages that：
(1), the present invention in by traditional transmission matrix calculation be changed to ranks alternating path by mode, so not only lead to
For various network topologies, also with the low and simple and easy performance of expansible, efficiency；
(2), the present invention is used in the performance calculating of light exchange chip, can be that the optics of light exchange chip or electrology characteristic be set
Meter provides a kind of evaluation measures.
Brief description of the drawings
Fig. 1 is the flow chart of the acquisition methods of light exchange chip performance of the present invention；
Fig. 2 is a kind of topology diagram of without hindrance plug 4X4 light exchange chips；
Fig. 3 is the topology information figure of light exchange chip；
Fig. 4 is that the Mach of optical switch module shown in Fig. 2 increases the structure chart of Dare interferometer form.
Embodiment
The embodiment of the present invention is described below in conjunction with the accompanying drawings, so as to those skilled in the art preferably
Understand the present invention.Requiring particular attention is that in the following description, when known function and the detailed description of design perhaps
When can desalinate the main contents of the present invention, these descriptions will be ignored herein.
Embodiment
Fig. 1 is the flow chart of the acquisition methods of light exchange chip performance of the present invention.
Fig. 2 is a kind of topology diagram of without hindrance plug 4X4 light exchange chips.
Fig. 3 is the topology information figure of light exchange chip.
A kind of method for calculating light exchange chip performance of the present invention, as shown in figure 1, comprising the following steps：
(1) configuration mode of photoswitch, is determined；
All routing modes according to determined by the light of user exchanges connection request, determine to form under different routing modes
The configuration status of photoswitch in light exchange chip；
In the present embodiment, as shown in Fig. 2 a kind of topological structure of without hindrance plug 4X4 light exchange chips is given, including letter
Number transmitting element, light exchange chip unit and signal receiving unit, wherein, light exchange chip unit includes 62 × 2 photoswitches
Module, two crossing waveguide modules, and some direct-connected waveguides；
If the light that user sends exchanges connection request：Realize that transmitting terminal 1 arrives receiving terminal 1, transmitting terminal 2 arrives receiving terminal 2,
Transmitting terminal 3 arrives receiving terminal 3, and transmitting terminal 4 arrives the exchange of receiving terminal 4.Then there are 4 kinds according to routing algorithm, possible routing mode, i.e.,
There are 4 kinds of different photoswitch configuration statuses to be satisfied by above-mentioned light and exchange connection request, they are respectively：
Route 1：62 × 2 optical switch modules are in blocking state；
Route 2：2 × 2 optical switch modules 1 and 5 are in crossing condition, and remaining optical switch module is in blocking state；
Route 3：2 × 2 optical switch modules 2 and 6 are in crossing condition, and remaining optical switch module is in blocking state；
Route 4：2 × 2 optical switch modules 3 and 4 are in blocking state, and remaining optical switch module is in crossing condition；
(2) the topology information table of light exchange chip, is built；
The light field that each component units of light exchange chip are obtained according to the photoswitch configuration status under the first routing mode passes
Defeated matrix information, the topology information table of light exchange chip is built in conjunction with the link information of each component units in light exchange chip,
Wherein light exchange chip component units include optical switch element, crossing waveguide, and realize between optical switch element and crossing waveguide
The direct-connected waveguide of connection；
In the present embodiment, by taking route 4 as an example, determine to route the configuration status of photoswitch under 4 modes：2 × 2 photoswitch moulds
Block 1,2,5 and 6 is in crossing condition, and 2 × 2 optical switch modules 3 and 4 are in blocking state；
The information of its transmission matrix also determines after the state of optical switch module determines, the biography of direct-connected waveguide and crossing waveguide
Defeated matrix information does not change with the change of routing mode, therefore, the topology information of comprehensive light exchange chip and wherein each
The transmission matrix information of component units, the topology information table of the light exchange chip in the case of the route 4 of structure is as shown in figure 3, (1)
It is the transmission matrix of 2 × 2 optical switch modules 1 corresponding to row (1) row, is 2 × 2 optical switch modules 2 corresponding to (2) row (2) row
Transmission matrix, (3) row (3) row corresponding to be crossing waveguide module 1 transmission matrix, (4) row (4) row corresponding to be that 2 × 2 light are opened
The transmission matrix of module 3 is closed, is the transmission matrix of 2 × 2 optical switch modules 4 corresponding to (5) row (5) row, (6) row (6) row are corresponding
Be crossing waveguide module 2 transmission matrix, (7) row (7) row corresponding to be 2 × 2 optical switch modules 5 transmission matrix, (8) OK
(8) it is the transmission matrix of 2 × 2 optical switch modules 6 corresponding to arranging；(3) it is 2 × 2 photoswitch moulds corresponding to the a13 in row (1) row
Direct-connected waveguide between 2 output ports of block 1 and 1 input port of crossing waveguide module 1, other aij(1≤i≤8,1≤j≤8)
It is similar；Equally in the case of routing mode 1,2 and 3, the topology information of light exchange chip can be also obtained in the same manner
Table；
(3) multicast luminous power corresponding to each input port, is calculated；
According to the topology information table of light exchange chip, output work corresponding to each input port in light extraction exchange chip is calculated
Rate, multicast luminous power corresponding to as each input port；
In the present embodiment, by taking input port 1 as an example, the corresponding multicast luminous power under the mode of routing mode 4 is calculated.Table 1
Middle ranks alternating connecting line segment is the multicast transmission path of input port 1.From figure 3, it can be seen that the input light letter of 1 port
Number most exported at last from 4 ports, similar to the multicast transmission form of single input to multi output, wherein only from output port 1
The optical signal of output is desired by us, and other are crosstalk.The Output optical power of 4 output ports can replace according to ranks
The mode of route calculates.By taking the phantom line segments in Fig. 3 as an example, according to ranks alternating path by method calculate output port light believe
Number, if the input optical signal of input port 1 is Ein1, then the optical signal E that exports from (1) row (1) column unit11=M11·
Ein1, the optical signal E that exports from (4) row (1) column unit41=a14·E11, the optical signal that exports from (4) row (4) column unit
E44=M41·E41, the optical signal E that exports from (7) row (4) column unit74=a47·E44, exported from (7) row (7) column unit
Optical signal E77=M71·E74, E77The optical signal of as one of output port；In the same manner, other output ends
The optical signal of mouth can also obtain.After the multicast luminous power of input port 1 is obtained, you can calculate input in the same manner
The multicast luminous power of mouth 2,3 and 4.Equally, in the case of routing mode 1,2 and 3, can also calculate in the same manner each
The multicast luminous power of input port.
(4) performance of light exchange chip, is obtained；
According to multicast op-tical power information corresponding to each input port, each input port and corresponding output port are calculated
Between insertion loss and crosstalk, so as to get the light exchange chip performance under the configuration status；
After the completion of light exchange chip performance under the first routing mode calculates, continue a kind of routing mode under calculating
Light exchange chip performance, and perform the same treatment of the first routing mode successively, to the last a kind of routing mode, so as to obtain
Get the light exchange chip performance under various routing modes.
So, the performance parameter for routeing light exchange chip under 4 configuration statuses just obtains completion, using same method, obtains
Get the light exchange chip performance under the mode of route 1~3.
Fig. 4 is that the Mach of optical switch module shown in Fig. 2 increases the structure chart of Dare interferometer form.
In the present embodiment, as shown in figure 4, A0And A1For input optical signal, A2、A3、A4And A5Increase Dare interferometer for Mach
Optical signal in the optical switch module exchange process of form, A6And A7To export optical signal.During making alive, 2 × 2 photoswitches are in
Blocking state, realize A0To A6, A1To A7Exchange；When being not added with voltage, 2 × 2 photoswitches are in crossing condition, realize A0To A7,
A1To A6Exchange.Therefore the voltage of one arm above the optical switch module of Dare interferometer form is increased by changing Mach, you can
Realize the selectivity output of two input optical signals.
Although the illustrative embodiment of the present invention is described above, in order to the technology of the art
Personnel understand the present invention, it should be apparent that the invention is not restricted to the scope of embodiment, to the common skill of the art
For art personnel, if various change in the spirit and scope of the present invention that appended claim limits and determines, these
Change is it will be apparent that all utilize the innovation and creation of present inventive concept in the row of protection.
Claims (2)
1. a kind of acquisition methods of smooth exchange chip performance, it is characterised in that comprise the following steps：
(1) configuration mode of photoswitch, is determined；
All routing modes according to determined by the light of user exchanges connection request, determine that light is formed under different routing modes to be handed over
Change the configuration status of photoswitch in chip；
(2) the topology information table of light exchange chip, is built；
The light field that each component units of light exchange chip are obtained according to the photoswitch configuration status under the first routing mode transmits square
Battle array information, the topology information table of light exchange chip is built in conjunction with the link information of each component units in light exchange chip, wherein
Light exchange chip component units include optical switch element, crossing waveguide, and realize and connected between optical switch element and crossing waveguide
Direct-connected waveguide；
(3) multicast luminous power corresponding to each input port, is calculated；
According to the topology information table of light exchange chip, according to ranks alternating path by method, calculate each defeated in light extraction exchange chip
Power output corresponding to inbound port, multicast luminous power corresponding to as each input port；
Wherein, according to ranks alternating path by method calculate the method for power output of output port and be：
If the topology information table of light exchange chip is the matrix of 8 rows 8 row, the input optical signal of input port 1 is Ein1, then basis
The topology information table of light exchange chip, the power output for calculating output port 1 in the way of by ranks alternating path are：From 1 row 1
The optical signal E exported in column unit11=M11·Ein1, the optical signal E that is exported from the column unit of 4 row 141=a14·E11, from 4 rows 4
The optical signal E exported in column unit44=M41·E41, the optical signal E that is exported from the column unit of 7 row 474=a47·E44, from 7 rows 7
The optical signal E exported in column unit77=M71·E74, E77The as power output of output port 1, wherein, a14And a47To be direct-connected
Waveguide, M11And M41For the transmission coefficient of optical switch element corresponding port；
(4) performance of light exchange chip, is obtained；
According to multicast luminous power corresponding to each input port, the insertion between each input port and corresponding output port is calculated
Loss and crosstalk, so as to get the light exchange chip performance under the configuration status；
After the completion of light exchange chip performance under the first routing mode obtains, the light for continuing a kind of routing mode under obtaining is handed over
Chip performance is changed, and performs the same treatment of the first routing mode successively, to the last a kind of routing mode, so as to get
Light exchange chip performance under various routing modes.
2. the acquisition methods of smooth exchange chip performance according to claim 1, it is characterised in that described light exchange chip
Performance include：Insertion loss and output OSNR OSNR between each input/output port, and crosstalk, wherein,
OSNR is included with frequency input and alien frequencies input.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168179.1A CN103986670B (en) | 2014-04-24 | 2014-04-24 | A kind of acquisition methods of smooth exchange chip performance |
| PCT/CN2014/077637 WO2015161534A1 (en) | 2014-04-24 | 2014-05-16 | Method for acquiring performance of optical switch chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168179.1A CN103986670B (en) | 2014-04-24 | 2014-04-24 | A kind of acquisition methods of smooth exchange chip performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103986670A CN103986670A (en) | 2014-08-13 |
| CN103986670B true CN103986670B (en) | 2017-11-21 |
Family
ID=51278497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410168179.1A Expired - Fee Related CN103986670B (en) | 2014-04-24 | 2014-04-24 | A kind of acquisition methods of smooth exchange chip performance |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103986670B (en) |
| WO (1) | WO2015161534A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049114B (en) * | 2015-07-27 | 2017-10-17 | 电子科技大学 | A kind of method of test light exchange chip module performance |
| CN107888996B (en) * | 2017-10-19 | 2020-09-11 | 中国科学院半导体研究所 | Method and device for adjusting topological structure of optical network on chip |
| CN111931376B (en) * | 2020-08-13 | 2022-07-26 | 电子科技大学 | Simulation system for evaluating performance of large-scale optical switching integrated chip |
| CN116029091B (en) * | 2022-11-21 | 2024-02-23 | 之江实验室 | Chip simulation method and device based on coherent transmission matrix method and computer equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202617301U (en) * | 2012-06-06 | 2012-12-19 | 上海锐递光电技术有限公司 | Optical switch |
| CN102907054A (en) * | 2012-08-03 | 2013-01-30 | 华为技术有限公司 | Data exchange method, device and system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3823837B2 (en) * | 2002-01-31 | 2006-09-20 | 日本電気株式会社 | Optical communication network and optical communication network design method used therefor |
| CN101621451B (en) * | 2008-06-30 | 2012-01-11 | 华为技术有限公司 | Method, node and system for bearing service |
| CN101431700B (en) * | 2008-12-19 | 2012-03-28 | 重庆邮电大学 | Caching apparatus of output type circulating sharing optical packet switching network |
| US8406623B2 (en) * | 2010-02-17 | 2013-03-26 | Oracle International Corporation | Data channel organization for a switched arbitrated on-chip optical network |
| JP6031785B2 (en) * | 2012-03-19 | 2016-11-24 | 富士通株式会社 | Optical switch device and control method thereof |
-
2014
- 2014-04-24 CN CN201410168179.1A patent/CN103986670B/en not_active Expired - Fee Related
- 2014-05-16 WO PCT/CN2014/077637 patent/WO2015161534A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202617301U (en) * | 2012-06-06 | 2012-12-19 | 上海锐递光电技术有限公司 | Optical switch |
| CN102907054A (en) * | 2012-08-03 | 2013-01-30 | 华为技术有限公司 | Data exchange method, device and system |
Non-Patent Citations (1)
| Title |
|---|
| 《全光通信网技术》;邱昆等;《电子科技大学学报》;20000831;第29卷(第4期);第347-350页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103986670A (en) | 2014-08-13 |
| WO2015161534A1 (en) | 2015-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liboiron-Ladouceur et al. | The data vortex optical packet switched interconnection network | |
| Min et al. | A universal method for constructing N-port nonblocking optical router for photonic networks-on-chip | |
| CN102638311B (en) | Optical network-on-chip system based on wavelength allocation and communication method of system | |
| CN102882811B (en) | Based on data center light interconnection network system and the communication means of array waveguide grating | |
| CN102281478B (en) | On-chip optical router for hybrid switching | |
| CN103308988B (en) | 4*4 nonblocking optical switching network based on five microring resonators | |
| CN103986670B (en) | A kind of acquisition methods of smooth exchange chip performance | |
| Cheng et al. | Silicon photonic switch topologies and routing strategies for disaggregated data centers | |
| CN101917333B (en) | Region-based photoelectric double-layer network-on-a-chip and routing method | |
| CN106416110B (en) | Expansible silicon photon count statistic framework for optical-fiber network | |
| CN110568560B (en) | Method for realizing large-scale optical switch topology array chip based on Benes structure and having balanced loss | |
| CN103353632B (en) | Optical switching unit based on micro-ring resonator | |
| Shacham et al. | An experimental validation of a wavelength-striped, packet switched, optical interconnection network | |
| Cheng et al. | Smart routing tables for integrated photonic switch fabrics | |
| CN108604940A (en) | Optoelectronic switches | |
| CN102361467A (en) | Network structure on non-blocking optical section and communication method thereof | |
| Wang et al. | Low-loss high-radix integrated optical switch networks for software-defined servers | |
| Xie et al. | Performance optimization and evaluation for torus-based optical networks-on-chip | |
| CN102780936A (en) | Optical on-chip network system of non-blocking communication and communication method thereof | |
| CN103888361B (en) | Optical router orienting fat-tree type topology structure | |
| Dang et al. | Mode-division-multiplexed photonic router for high performance network-on-chip | |
| CN207895111U (en) | A kind of clog-free optical router in five ports based on micro-ring resonator | |
| CN104503027B (en) | The four multi-port optical routers based on micro-ring resonant photoswitch | |
| Chen et al. | A power efficient and compact optical interconnect for network-on-chip | |
| CN106936708A (en) | NxN wavelength routed networks topology, photon integrated chip and optical router |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171121 Termination date: 20200424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |