CN103091784B - Low-loss four-port non-blocking optics router based on micro-ring resonator - Google Patents
Low-loss four-port non-blocking optics router based on micro-ring resonator Download PDFInfo
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Abstract
The invention discloses a low-loss four-port non-blocking optics router based on micro-ring resonators. Through six cross waveguide micro-ring resonators and a parallel waveguide micro-ring resonator, an input end of a first port is coupled to an output end of a fourth port. An input end of a second port is coupled to an output end of the first port. An input end of the fourth port is coupled to an output end of a third port. The input end of the first port is coupled to the output end of the third port. An input end of the third port is coupled to an output end of the second port. The input end of the second port is coupled to the output end of the fourth port. A seventh micro-ring resonator is used for being connected with an optical channel from the fourth port to the first port and an optical channel from the second port to the third port. Due to the fact that the number of the micro-ring resonators is reduced to seven, the low-loss four-port non-blocking optics router based on the micro-ring resonators has the advantages of improving utilization efficiency of devices, simplifying the structure of a switch, decreasing area of the switch, reducing insertion loss and crosstalk of the switch due to the fact that the number of the cross waveguide micro-ring resonators is reduced to six, enhancing extendibility of the devices, being prone to establishing an on-chip optical interconnection network architecture and achieving high-speed transmission and exchange of optical signals.
Description
Technical field
The present invention relates in optical interconnection network framework, realize the switching technique field of route handoff between multiport on sheet, particularly a kind of 4 * 4 unblock low-consumption optical routers based on active micro-ring resonator.
Background technology
Along with the development of semiconductor technology, the integrated level of single processor significantly improves, and the quantity of on-chip processor core promotes steadily, and thousand nuclear ages strided forward silently to us, makes the mobile efficiency of internuclear data become the key factor that restricts processor overall performance.How following multiple nucleus system is met to the great challenge that the requirement of bandwidth and time delay is become to current photoelectricity integration field the low energy consumption in the situation that.
Traditional on-chip interconnect technology is owing to being subject to the restriction of electrical interconnection physical characteristics, its time delay in transmission, and bandwidth, the physical characteristicss such as power consumption are difficult to the lifting of matter, become the bottleneck of restriction on-chip interconnect performance.
In recent years, it is swift and violent that silicon based photon is learned development, silicon substrate laser particularly, and silicon based opto-electronics modulator, the high speed devices such as silica-based photo-detector, have promoted the development of sheet glazing interconnection.Micro-ring resonator structure was proposed by Marcatili in 1969, was limited to technique at that time, was never paid close attention to widely.Along with the development of technique, micro-ring resonator is widely used.High-speed optical modulator based on micro-ring resonator, high-speed optical switch, the advantage such as the devices such as high-speed light wave filter meet the tendency like the mushrooms after rain, and it is low in energy consumption that the optical device based on micro-ring resonator has, and area is little.
Light interconnection technique has large bandwidth, and multiplexing capacity is strong, at a high speed, low time delay, without a large amount of pins, low transmission loss, low-power consumption, low crosstalking, can with the plurality of advantages such as CMOS process compatible, for solving communication performance bottleneck problem, there is significant advantage.Light interconnection technique is just towards more at a high speed, more short transmission distance, the more future development of high bandwidth density and integrated level.And optical routing switch is the core devices of network-on-chip, the performance of a photoswitch affects the performance of whole optical interconnection network to a great extent.But the complicated structure of current photoswitch, the quantity of crossover node and micro-ring is more, and production cost is high, and insertion loss is high, power consumption is large.
Summary of the invention
The object of the invention is to propose a kind of low-loss four port unblock optical routers based on micro-ring resonator.Through topology design, with respect to switch in the past, simplified structure, realized the free exchange of just realizing four bidirectional ports of optical interconnection network framework on sheet with seven micro-ring resonators, reduced insertion loss and structure complexity.
In order to achieve the above object, the present invention proposes a kind of low-loss four port unblock optical routers based on micro-ring resonator, comprising:
Low-loss four port unblock optical routers based on micro-ring resonator, comprising:
A first end is inputted and the second end output optical waveguide;
One second end input and first end output optical waveguide;
One the 3rd end input and the 4th end output optical waveguide;
One the 4th end input and the 3rd end output optical waveguide;
First, second, third, fourth, the 5th, the 6th crossing waveguide micro-ring resonator, and the 7th parallel waveguide micro-ring resonator;
Wherein, the first port input waveguide and the 4th port output optical waveguide are coupled by the first crossing waveguide micro-ring resonator; The second port input is coupled by the second micro-ring resonator with the first port output; The 4th port input is coupled by the 3rd micro-ring resonator with the 3rd port output; The first port input is coupled by the 4th micro-ring resonator with the 3rd port output; The 3rd port input is coupled by the 5th micro-ring resonator with the second port output; The second port input is coupled by the 6th micro-ring resonator with the 4th port output; The 7th micro-ring resonator is for connecting from four-input terminal mouth to the first output port and from the light-path of the second input port to the three output ports.
Wherein said the first, second, third, fourth, the 5th, the 6th crossing waveguide micro-ring resonator, consistent with the operation wavelength of the 7th parallel waveguide micro-ring resonator.
Wherein said the first, second, third, fourth, the 5th, the 6th crossing waveguide micro-ring resonator, and the 7th parallel waveguide micro-ring resonator has identical radius and identical effective refractive index.
For making the material of these four port low-consumption optical routers based on micro-ring resonator, are wherein SOI.
From technical scheme, can find out, the present invention has following beneficial effect:
The invention provides the low-loss four port unblock optical routers based on micro-ring resonator, utilize micro-ring resonator only for the characteristic of specific wavelength, by the ingenious combination of micro-ring resonator, realized the unblock route switching of four bidirectional ports.
Especially, owing to having adopted a parallel ring structure in the middle of switch, make micro-ring resonator used reduce to seven by the past eight, improved the utilization ratio of device, simplified the structure of switch, reduced the area of switch, reduced cost.With respect to 4 * 4 photoswitches in the past, the design has completed the unblock route switching of four bidirectional ports for the first time with seven micro-rings.
Especially, number of crossovers is reduced to six, has reduced to a certain extent the insertion loss of switch and has crosstalked, and has strengthened the extensibility of device.
Especially, utilize time four port unblock optical routers, can build optical interconnection network framework on sheet, realize high-speed transfer and the exchange of light signal.
Accompanying drawing explanation
Fig. 1 a is the "Off" state schematic diagram of the 7th parallel waveguide micro-ring resonator 1 * 2 photoswitch;
Fig. 1 b is the "On" state schematic diagram of the 7th parallel waveguide micro-ring resonator 1 * 2 photoswitch;
Fig. 1 c is the "Off" state schematic diagram of crossing waveguide micro-ring resonator 1 * 2 photoswitch;
Fig. 1 d is the "On" state schematic diagram of crossing waveguide micro-ring resonator 1 * 2 photoswitch;
The structural representation of 4 * 4 unblock optical routers of Fig. 2 based on micro-ring resonator;
The duty example of 4 * 4 unblock optical routers of Fig. 3 based on micro-ring resonator.
Embodiment
In order to make object of the present invention, technical scheme and advantage are clearer, below in conjunction with instantiation, with reference to accompanying drawing, right
The present invention is described in further details.
The present invention utilizes the switching characteristic of tunable micro-ring resonator, has designed novel switched topological structure, has realized four port low-loss unblock optical routers.
Below in conjunction with Fig. 1 to Fig. 3, describe its course of work and principle in detail:
Micro-rings all in the router that the present invention provides all have identical radius, but have comprised two kinds of different structures, Fig. 1 a and
Fig. 1 b is depicted as parallel waveguide micro-ring resonator, and shown in Fig. 1 c and Fig. 1 d is crossing waveguide micro-ring resonator.When micro-ring resonant wavelength and signal coincide, signal is by micro-ring from a waveguide-coupled to another waveguide, and when both wavelength differences, signal or Yan Yuan road lead directly to.As the resonance wavelength resonant=of micro-ring resonator λ
0time, we are defined as " opening " by this kind of state, and light signal will be exported from Out2 from the light of In1 input, as shown in Fig. 1 a and Fig. 1 c; Resonance wavelength resonant ≠ λ when micro-ring resonator
0time, this kind of state is defined as " pass ", and light signal will be exported from Out1 from the light of In1 input, as shown in Fig. 1 b and Fig. 1 d.The resonance wavelength of micro-ring resonator can be by route control signal dynamic-configuration, thereby realizes the switching of on off state.
The first port input waveguide and the 4th port output optical waveguide are coupled by the first micro-ring resonator; The second port input and the
One port output is coupled by the second micro-ring resonator; The 4th port input is coupled by the 3rd micro-ring resonator with the 3rd port output; The first port input is coupled by the 4th micro-ring resonator with the 3rd port output; The 3rd port input is coupled by the 5th micro-ring resonator with the second port output; The second port input is coupled by the 6th micro-ring resonator with the 4th port output.Wherein utilize the two-way operation characteristic of micro-ring resonator, the 7th micro-ring resonator can connect from the 4th port to the first port and from the light-path of two port to the three ports simultaneously, improve the utilization ratio of device, reduced the quantity of required micro-ring resonator, reduced the power consumption of router.
For making to the low material of harassing four port unblock optical routers of the low-loss based on micro-ring resonator, are wherein SOI,
Be easy to optical device to combine with COMS technique, be more conducive to this structure commercialization.
Wherein first input end is adjacent with the first output terminal, and the second input end is adjacent with the second output terminal, the 3rd input end and the 3rd defeated
Go out to hold adjacent, four-input terminal is adjacent with the 4th output terminal, and compact conformation is more conducive to be applied in optical network structure go.
Fig. 3 has provided a kind of duty of this router, now inputs one → input four, input four → input one, input two → input three, input three → input two.In figure, dotted line represents that this ring is in disresonance state, only has the first, the second, five micro-ring resonator in resonant condition.Wherein input four → input one, input two → input three these two links share the 7th micro-ring resonator and do not cause obstruction.Because switching, the state of micro-ring resonator needs impressed voltage or heat modulation, article two, the shared same micro-ring resonator of link can reduce power consumption, simultaneously, with respect to 4 * 4 photoswitches in the past, the present invention has completed the unblock route switching of four bidirectional ports for the first time with seven micro-rings.
We provide the corresponding relation (table one) of every link and micro-ring resonator, and every link is controlled by a ring at most, and waveguide does not have micro-ring resonant and optical signals waveguide is directly passed through.
The corresponding relation of every link of table one and micro-ring resonator
| First input end mouth → four output port | Micro-ring 1 |
| First input end mouth → three output port | Micro-ring 4 |
| First input end mouth → the second output port | Waveguide |
| The second input port → the first output port | Waveguide |
| The second input port → three output port | Micro-ring 7 |
| The second input port → four output port | Micro-ring 6 |
| The 3rd input port → the first output port | Micro-ring 2 |
| The 3rd input port → the second output port | Micro-ring 5 |
| The 3rd input port → four output port | Waveguide |
| Four-input terminal mouth → the first output port | Micro-ring 7 |
| Four-input terminal mouth → the second output port | Micro-ring 3 |
| Four-input terminal mouth → three output port | Waveguide |
Above-described specific embodiment; to object of the present invention; technical scheme and beneficial effect have been described in detail, and institute it should be understood that the above is only instantiation of the present invention; be not limited to the present invention; within the spirit and principles in the present invention all, to make any modifications, are equal to replacement; this enters etc., all should be within protection scope of the present invention.
Claims (4)
1. the four port unblock optical routers of the low-loss based on micro-ring resonator, is characterized in that, it comprises:
One first port input and the second port output optical waveguide;
One second port input and the first port output optical waveguide;
One the 3rd port input and the 4th port output optical waveguide;
One the 4th port input and the 3rd port output optical waveguide;
First, second, third, fourth, the 5th, the 6th crossing waveguide micro-ring resonator, and the 7th parallel waveguide micro-ring resonator;
Wherein, the first port input waveguide and the 4th port output optical waveguide are coupled by the first crossing waveguide micro-ring resonator; The second port input waveguide and the first port output optical waveguide are coupled by the second crossing waveguide micro-ring resonator; The 4th port input waveguide and the 3rd port output optical waveguide are coupled by the 3rd crossing waveguide micro-ring resonator; The first port input waveguide and the 3rd port output optical waveguide are coupled by the 4th crossing waveguide micro-ring resonator; The 3rd port input waveguide and the second port output optical waveguide are coupled by the 5th crossing waveguide micro-ring resonator; The second port input waveguide and the 4th port output optical waveguide are coupled by the 6th crossing waveguide micro-ring resonator; The 7th parallel waveguide micro-ring resonator is for connecting from the 4th port input waveguide to the first port output optical waveguide and from the light-path of the second port input waveguide to the three port output optical waveguides.
2. low-loss four port unblock optical routers based on micro-ring resonator according to claim 1, it is characterized in that, wherein said the first, second, third, fourth, the 5th, the 6th crossing waveguide micro-ring resonator, consistent with the operation wavelength of the 7th parallel waveguide micro-ring resonator.
3. low-loss four port unblock optical routers based on micro-ring resonator according to claim 2, it is characterized in that, wherein said the first, second, third, fourth, the 5th, the 6th crossing waveguide micro-ring resonator, and the 7th parallel waveguide micro-ring resonator has identical radius and identical effective refractive index.
4. the low-loss four port unblock optical routers based on micro-ring resonator according to claim 1, is characterized in that, for making the material of these low-loss four port unblock optical routers based on micro-ring resonator, are wherein SOI.
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9746747B2 (en) | 2013-08-30 | 2017-08-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Optical switch, optical switch apparatus and node, and communication network |
| WO2015100636A1 (en) | 2013-12-31 | 2015-07-09 | 华为技术有限公司 | Annular optical buffer and optical signal storage and reading method |
| WO2015100629A1 (en) | 2013-12-31 | 2015-07-09 | 华为技术有限公司 | Annular optical shifter and optical signal shifting method |
| WO2015168919A1 (en) * | 2014-05-09 | 2015-11-12 | 华为技术有限公司 | Optical router |
| CN104503027B (en) * | 2014-12-16 | 2017-11-28 | 兰州大学 | The four multi-port optical routers based on micro-ring resonant photoswitch |
| CN105763962B (en) * | 2014-12-18 | 2019-05-10 | 华为技术有限公司 | Network on mating plate, optical router and the method for transmitting signal |
| CN106662710B (en) * | 2015-06-12 | 2019-08-13 | 华为技术有限公司 | A kind of on-chip optical interconnection structure and network |
| CN104950398A (en) * | 2015-07-16 | 2015-09-30 | 浙江大学 | Optical micro-ring based optical filter with adjustable bandwidth and method of optical filter for producing wide-band frequency spectrum |
| CN106936506B (en) * | 2015-12-30 | 2019-05-24 | 华为技术有限公司 | A kind of optical node and related system |
| CN108886403B (en) | 2016-04-01 | 2022-03-18 | 香港科技大学 | Integrated high radix non-blocking optical switch fabric |
| CN105847166B (en) * | 2016-05-12 | 2019-05-07 | 西安电子科技大学 | Support the expansible on piece optical router of multiport of multi-casting communication |
| CN106094105B (en) * | 2016-06-22 | 2018-12-11 | 哈尔滨工业大学 | 2 × 2 lambda routers that adjustable multi-channel filter is constituted |
| CN106533993B (en) * | 2016-12-12 | 2019-04-23 | 西安电子科技大学 | Network on mating plate based on five port optical routers |
| CN111464891A (en) * | 2020-04-03 | 2020-07-28 | 桂林电子科技大学 | Four-port optical-electrical router based on surface plasmon resonator |
| CN112084653B (en) * | 2020-09-07 | 2024-02-23 | 西安电子科技大学 | On-chip optical interconnection analysis imaging method, device, router and evaluation platform |
| CN112162448B (en) * | 2020-09-16 | 2022-09-13 | 山东工业职业学院 | Optical branching selector for photon computer |
| CN113238320B (en) * | 2021-05-13 | 2022-11-08 | 之江实验室 | Method for measuring insertion loss of device based on micro-ring resonator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101140343A (en) * | 2007-10-18 | 2008-03-12 | 中国科学院长春光学精密机械与物理研究所 | Micro-resonance loop channel elect optic switch |
| US7783144B2 (en) * | 2006-04-24 | 2010-08-24 | The Hong Kong University Of Science And Technology | Electrically tunable microresonators using photoaligned liquid crystals |
| CN101872039A (en) * | 2010-05-12 | 2010-10-27 | 中国科学院半导体研究所 | 4*4 non-blocking optical router based on active micro-ring resonator |
| CN102540345A (en) * | 2012-03-20 | 2012-07-04 | 中国科学院半导体研究所 | Low-loss, low-crosstalk, four-port and non-blocking optical router based on micro-ring resonators |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120045167A1 (en) * | 2010-08-23 | 2012-02-23 | Telefonaktiebolaget L M Ericsson (Publ) | Multi-Tier Micro-Ring Resonator Optical Interconnect System |
-
2013
- 2013-01-29 CN CN201310039839.1A patent/CN103091784B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7783144B2 (en) * | 2006-04-24 | 2010-08-24 | The Hong Kong University Of Science And Technology | Electrically tunable microresonators using photoaligned liquid crystals |
| CN101140343A (en) * | 2007-10-18 | 2008-03-12 | 中国科学院长春光学精密机械与物理研究所 | Micro-resonance loop channel elect optic switch |
| CN101872039A (en) * | 2010-05-12 | 2010-10-27 | 中国科学院半导体研究所 | 4*4 non-blocking optical router based on active micro-ring resonator |
| CN102540345A (en) * | 2012-03-20 | 2012-07-04 | 中国科学院半导体研究所 | Low-loss, low-crosstalk, four-port and non-blocking optical router based on micro-ring resonators |
Non-Patent Citations (2)
| Title |
|---|
| Nicloas Sherwood-Droz et al..Optical 4x4 hitless Silicon router for optical Networks-on-Chip(NoC).《OPTICS EXPRESS》.2008,第16卷(第20期),第15915-15922页. * |
| Optical 4x4 hitless Silicon router for optical Networks-on-Chip(NoC);Nicloas Sherwood-Droz et al.;《OPTICS EXPRESS》;20080929;第16卷(第20期);第15915-15922页 * |
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