CN107911761A - The clog-free on piece optical router of fault tolerant - Google Patents

The clog-free on piece optical router of fault tolerant Download PDF

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Publication number
CN107911761A
CN107911761A CN201710589127.5A CN201710589127A CN107911761A CN 107911761 A CN107911761 A CN 107911761A CN 201710589127 A CN201710589127 A CN 201710589127A CN 107911761 A CN107911761 A CN 107911761A
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waveguide
micro
ring resonator
crosspoint
port
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CN201710589127.5A
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CN107911761B (en
Inventor
夏希·萨博李娜
顾华玺
马睿妍
杨银堂
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Xidian University
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Xidian University
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • 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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29331—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by evanescent wave coupling
    • G02B6/29335—Evanescent coupling to a resonator cavity, i.e. between a waveguide mode and a resonant mode of the cavity
    • G02B6/29338—Loop resonators
    • G02B6/2934—Fibre ring resonators, e.g. fibre coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/03—Arrangements for fault recovery
    • H04B10/038—Arrangements for fault recovery using bypasses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/22—Alternate routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/10—Packet switching elements characterised by the switching fabric construction
    • H04L49/109—Integrated on microchip, e.g. switch-on-chip
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction

Abstract

The invention discloses a kind of clog-free on piece optical router of fault tolerant, mainly solves the problems, such as in existing network on mating plate since some micro-ring resonator failures cause communication not carry out.It includes 5 input ports, 5 output ports, 11 one optical waveguides and 34 micro-ring resonators；It is connected respectively with input, output port per one optical waveguide, forms multiple waveguide crosspoints, these micro-ring resonators are separately positioned on waveguide intersection, the middle of parallel waveguide and input, output port.By building for fiber waveguide and micro-ring resonator, realize three kinds of communication modes, be respectively：Directly pass through optical waveguide communication；Using micro-ring resonator in directapath coupled communication；Using micro-ring resonator in backup path coupled communication.The present invention can be enabled backup path and recover communication, and then enhance network-on-chip optical router fault-tolerant ability, the node interconnection available for network on mating plate by backup path when the micro-ring resonator in directapath damages.

Description

The clog-free on piece optical router of fault tolerant
Technical field
The invention belongs to field of communication technology, more particularly to a kind of clog-free on piece optical router, surfs the Internet available for mating plate The node interconnection of network.
Background technology
In existing network on mating plate, when micro-ring resonator breaks down, path can be recalculated, it is not intended that Optical router containing faulty micro-ring resonator.But in fact failure is often occurred over just on a small number of micro-ring resonators.In network Aspect, abandons whole optical router due to the functional fault of some micro-ring resonators, can cause the unnecessary of hop count Growth and the wasting of resources.Therefore, reliable optical router increasingly becomes the most important thing of the communications field on mating plate, for light path Required by the fault freedom of device higher and higher.
Patent " the clog-free optics route in five ports based on micro-ring resonator of Institute of Semiconductors,Academia Sinica's application The device " (applying date：On May 9th, 2012, application number：CN201210142673.1, publication number：CN102645706A disclosed in) A kind of five multi-port optical routers based on micro-ring resonator.The embodiment of the optical router is：Have using 15 identical Switching at runtime of the micro-ring resonator of structure size as photoswitch by two states, realizes five ports of optical router Clog-free communication.Shortcoming existing for the optical router is：Except 5 communication directions can be directly by wave guide communication, its Remaininging to interconnect between 15 communication directions could only be carried out by micro-ring resonator, once some micro-ring resonator is broken, in router Just having both direction can not continue to communicate, and whole router can be abandoned when calculating restoration path, reduce router Utilization rate, network reliability are low.
Patent " the non-obstruction optical router in four port of low-loss based on the micro-ring resonator " (application of Zhejiang University's application Day：On January 29th, 2013, application number：CN201310039839.1, publication number：CN103091784A one kind is disclosed in) to be based on The non-obstruction optical router in four port of low-loss of micro-ring resonator.The embodiment of the optical router is：Utilize micro-ring resonant Device and waveguide build the non-blocking optical router of one 4 × 4, pass through crossing waveguide micro-ring resonator and parallel waveguide micro-ring resonant The combined use of device, reduces crossing waveguide number in router, reduces loss and crosstalk.System disclosed in the patented technology is deposited Shortcoming be：When some common micro-loop is damaged, there will be both direction not communicate in system, when utilization rate height The 7th micro-ring resonator damage when, Two-port netwerk to Single port, four ports to three ports can not communicate, the performance meeting of router It is serious to reduce, while also reduce network reliability.
The content of the invention
It is an object of the invention to the deficiency for above-mentioned prior art, a kind of clog-free on piece light path of fault tolerant is proposed By device, to ensure communication reliability, router utilization is improved, lifts network performance.
The present invention concrete thought be：The clog-free on piece light path of fault tolerant is built using waveguide and active micro-ring resonator By device, opening and closing micro-ring resonator is required according to switching by control unit, carries out micro-ring resonator open state, off status Mutual conversion, realization is selectively adjusted optical signal path.Since micro-ring resonator probability of damage is big, the probability of waveguide damage It is minimum, therefore directly connected in as many different directions as possible by waveguide, the number of micro-ring resonator is reduced, improves these directions On communication reliability, remaining side is upwardly through establishing the mode of backup path, even if reaching a certain micro-ring resonator damage, road It can also recover the effect of communication by backup path by device.
According to above-mentioned thinking, the clog-free on piece optical router of fault tolerant of the invention include 5 input ports, 5 it is defeated Exit port, 11 one optical waveguides and 34 micro-ring resonators；It is connected, is formed multiple with input, output port respectively per one optical waveguide Waveguide crosspoint；These micro-ring resonators are separately positioned on waveguide intersection, the middle of parallel waveguide and input, output terminal Mouthful.
As priority, each waveguide and the connection relation of each input/output port are as follows：
The first input left port (X10) of first wave guide (W1) connection and the 3rd output upper port (Y30)；
The first input right output port (X11) of second waveguide (W2) connection and the 5th output lower port (Y51)；
The second input right output port (X21) of 3rd waveguide (W3) connection and the 5th output upper port (Y50), and and first wave guide (W1) intersect, formed the first crosspoint (C1)；
The second input left port (X20) of 4th waveguide (W4) connection and the 4th exports right output port (Y41), and respectively with first Waveguide (W1) and the 3rd waveguide (W3) intersect, and form the second crosspoint (C2) and the 3rd crosspoint (C3)；
The 3rd input upper port (X30) of 5th waveguide (W5) connection and the 12nd micro-ring resonator (M12), and and first wave (W1) intersection is led, forms the 4th crosspoint (C4)；
The 3rd input lower port (X31) of 6th waveguide (W6) connection and the first output right output port (Y10), and and second waveguide (W2) intersect, form the 5th crosspoint (C5)；
7th waveguide (W7) connection the 5th input upper port (X50) and the 4th export left port (Y40), and respectively with it is other Multiple waveguides intersect to form multiple crosspoints：Intersect with first wave guide (W1), form the 6th crosspoint (C6) and the 7th and intersect Point (C7)；Intersect with the 3rd waveguide (W3), form the 8th crosspoint (C8)；Intersect with the 4th waveguide (W4), form the 9th and intersect Point (C9) and the tenth crosspoint (C10)；Intersect with the 5th waveguide (W5), form the 11st crosspoint (C11)；
8th waveguide (W8) connection the 5th input lower port (X51) and second export right output port (Y21), and respectively with it is other Multiple waveguides intersect to form multiple crosspoints：Intersect with second waveguide (W2), form the 12nd crosspoint (C12) and the 13rd Crosspoint (C13)；Intersect with the 6th waveguide (W6), form the 14th crosspoint (C14)；
9th waveguide (W9) connection the 4th input left port (X40) and first export left port (Y10), and respectively with it is other Multiple waveguides intersect to form multiple crosspoints：Intersect with first wave guide (W1), form the 15th crosspoint (C15) and the 16th and hand over Crunode (C16)；Intersect with the 3rd waveguide (W3), form the 17th crosspoint (C17) and the 18th crosspoint (C18)；
The 4th input right output port (X41) of tenth waveguide (W10) connection and the second output left port (Y20), and and first wave Lead (W1) and the 9th waveguide (W9) intersects, form the 19th crosspoint (C19) and the 20th crosspoint (C20) respectively；
11st waveguide (W11) connects the tenth micro-ring resonator (M10) and the 3rd output lower port (Y3).
As priority, the position relationship of each micro-ring resonator is set as follows：
First micro-ring resonator (M1) is arranged on parallel place of the tenth waveguide (W10) between the 3rd waveguide (W3)；
Second micro-ring resonator (M2) is arranged on the lower left corner in the 18th crosspoint (C18)；
3rd micro-ring resonator (M3) is arranged on the parallel place between the 9th waveguide (W9) and the 4th waveguide (W4)；
4th micro-ring resonator (M4) is arranged on the upper right corner in the 17th crosspoint (C17)；
5th micro-ring resonator (M5) is arranged on the lower left corner in the 19th crosspoint (C19)；
6th micro-ring resonator (M6) is arranged on the parallel place between the 9th waveguide (W9) and first wave guide (W1)；
7th micro-ring resonator (M7) is arranged on the parallel place between the 4th waveguide (W4) and first wave guide (W1)；
8th micro-ring resonator (M8) is arranged on the lower right corner of the first crosspoint (C1)；
9th micro-ring resonator (M9) is arranged on the parallel place between the 7th waveguide (W7) and first wave guide (W1)；
Tenth micro-ring resonator (M10) is arranged on the parallel place between the 11st waveguide (W11) and the 8th waveguide (W8)；
11st micro-ring resonator (M11) is arranged on the parallel place between the 6th waveguide (W6) and second waveguide (W2)；
12nd micro-ring resonator (M12) is arranged on the parallel place between the 5th waveguide (W5) and the 3rd waveguide (W3)；
13rd micro-ring resonator (M13) is arranged on the parallel place between the 8th waveguide (W8) and the 6th waveguide (W6)；
14th micro-ring resonator (M14) is arranged on the parallel place between the 9th waveguide (W9) and the 7th waveguide (W7)；
15th to the 34th micro-ring resonator (M15-M34) is separately positioned on 5 input ports and 5 output ports In, i.e., 2 micro-ring resonators are placed with each input, output port, and each micro-ring resonator is located at two of port Between parallel waveguide.
The present invention has the following advantages compared with existing system：
First, the present invention is stringent non-blocking optical router, using building for waveguide and active micro-ring resonator, is constructed The optical router of strictly non-blocking is gone out, stringent clog-free router means when any two port communication, remaining institute There are between port both any communications all without being affected, overcoming tradition has that obstruction router communication efficiency is low, network performance The problem of limited, while network delay is reduced, improve resource utilization.
Second, the present invention utilizes waveguide and active micro-ring resonator, and backup path is provided on some communication directions, when When micro-ring resonator damages in directapath, backup path work is enabled, simultaneously because placing two in input, output port Micro-ring resonator, to carry out work using another when being broken for one, overcomes in conventional router when a certain When micro-ring resonator damages, the problem of whole router will all fail, the utilization ratio of router is improved, improves network Fault freedom.
Brief description of the drawings
Fig. 1 is the planar structure schematic diagram of the present invention；
Fig. 2 is basic light crosspoint structure diagram in the present invention；
Fig. 3 is the 4th input, output port internal structure schematic diagram in the present invention；
Fig. 4 uses spare micro-ring resonant when being and giving tacit consent to micro-ring resonator damage in the present invention in the 4th input, output port Device schematic diagram；
Fig. 5 is that fiber waveguide direct communication schematic diagram is used in the present invention；
Fig. 6 is that the 4th sending port X4 to the 5th receiving port Y5 uses directapath communication scheme in the present invention；
Fig. 7 is that the 4th sending port X4 to the 5th receiving port Y5 uses backup path communication scheme in the present invention.
Embodiment
The present invention is described in further detail with instantiation below in conjunction with the accompanying drawings.
With reference to Fig. 1, the clog-free on piece optical router of fault tolerant of the present invention include 5 input ports, 5 output ports, 11 one optical waveguides and 34 micro-ring resonators；It is connected respectively with input, output port per one optical waveguide, forms multiple waveguides and intersect Point；These micro-ring resonators are separately positioned on waveguide intersection, the middle of parallel waveguide and input, output port.Wherein Each waveguide and the connection relation of each input/output port are as follows：
First wave guide W1 connections first input the output upper ports of left port X10 and the 3rd Y30；
Second waveguide W2 connections first input the output lower ports of right output port X11 and the 5th Y51；
3rd waveguide W3 connections second input the output upper port Y50 of right output port X21 and the 5th, and are handed over first wave guide W1 Fork, forms the first crosspoint C1；
4th waveguide W4 connections second input left port X20 and the 4th output right output port Y41, and respectively with first wave guide W1 Intersect with the 3rd waveguide W3, form the second crosspoint C2 and the 3rd crosspoint C3；
5th waveguide W5 connections the 3rd input upper port X30 and the 12nd micro-ring resonator M12, and are handed over first wave guide W1 Fork, forms the 4th crosspoint C4；
6th waveguide W6 connections the 3rd input the output right output port Y10 of lower port X31 and first, and are handed over second waveguide W2 Fork, forms the 5th crosspoint C5；
7th waveguide W7 connections the 5th input upper port X50 and the 4th output left port Y40, and respectively with other multiple ripples Lead and intersect to form multiple crosspoints, is i.e. the 7th waveguide W7 and first wave guide W1 intersects, and forms the 6th crosspoint C6 and the 7th and intersects Point C7；7th waveguide W7 and the 3rd waveguide W3 intersects, and forms the 8th crosspoint C8；7th waveguide W7 and the 4th waveguide W4 intersects, Form the 9th crosspoint C9 and the tenth crosspoint C10；7th waveguide W7 and the 5th waveguide W5 intersects, and forms the 11st crosspoint C11；
8th waveguide W8 connections the 5th input lower port X51 and second output right output port Y21, and respectively with other multiple ripples Lead and intersect to form multiple crosspoints, is i.e. the 8th waveguide W8 and second waveguide W2 intersects, and forms the 12nd crosspoint C12 and the 13rd Crosspoint C13；8th waveguide W8 and the 6th waveguide W6 intersects, and forms the 14th crosspoint C14；
9th waveguide W9 connections the 4th input left port X40 and first output left port Y10, and respectively with other multiple ripples Lead and intersect to form multiple crosspoints, is i.e. the 9th waveguide W9 and first wave guide W1 intersects, and forms the 15th crosspoint C15 and the 16th Crosspoint C16；9th waveguide W9 and the 3rd waveguide W3 intersects, and forms the 17th crosspoint C17 and the 18th crosspoint C18；
Tenth waveguide W10 connections the 4th input right output port X41 and second output left port Y20, and with first wave guide W1 and 9th waveguide W9 intersects, and forms the 19th crosspoint C19 and the 20th crosspoint C20 respectively；
The output lower ports of the tenth micro-ring resonator M10 of 11st waveguide W11 connections and the 3rd Y31.
Above-mentioned each fiber waveguide is curved waveguide, is used for realization the transmission of piece optical signal.
Micro-ring resonator, each micro-ring resonator are provided with the structure for connecting and being formed with port above by waveguide Position relationship set it is as follows：
First micro-ring resonator M1 is arranged on parallel places of the tenth waveguide W10 between the 3rd waveguide W3；
Second micro-ring resonator M2 is arranged on the lower left corner of the 18th crosspoint C18；
3rd micro-ring resonator M3 is arranged on the parallel place between the 9th waveguide W9 and the 4th waveguide W4；
4th micro-ring resonator M4 is arranged on the upper right corner of the 17th crosspoint C17；
5th micro-ring resonator M5 is arranged on the lower left corner of the 19th crosspoint C19；
6th micro-ring resonator M6 is arranged on the parallel place between the 9th waveguide W9 and first wave guide W1；
7th micro-ring resonator M7 is arranged on the parallel place between the 4th waveguide W4 and first wave guide W1；
8th micro-ring resonator M8 is arranged on the lower right corner of the first crosspoint C1；
9th micro-ring resonator M9 is arranged on the parallel place between the 7th waveguide W7 and first wave guide W1；
Tenth micro-ring resonator M10 is arranged on the parallel place between the 11st waveguide W11 and the 8th waveguide W8；
11st micro-ring resonator M11 is arranged on the parallel place between the 6th waveguide W6 and second waveguide W2；
12nd micro-ring resonator M12 is arranged on the parallel place between the 5th waveguide W5 and the 3rd waveguide W3；
13rd micro-ring resonator M13 is arranged on the parallel place between the 8th waveguide W8 and the 6th waveguide W6；
14th micro-ring resonator M14 is arranged on the parallel place between the 9th waveguide W9 and the 7th waveguide W7；
15th to the 34th micro-ring resonator M15-M34 is separately positioned on 5 input ports and 5 output ports In, i.e., 2 micro-ring resonators are placed with each input, output port, and each micro-ring resonator is located at two of port Between parallel waveguide.
The diameter and resonance wave appearance of above-mentioned each micro-ring resonator are same, and resonance wavelength is equal to the operating wave of optical router It is long, it is used for realization the steering of piece optical signal.
This router is route using XY routing algorithms, i.e., the packet injected in a network road in the horizontal direction first By until reaching its final position in the horizontal direction；Then, in the vertical direction continues to transmit, and reaches mesh until being grouped into Ground.In this router, forbid 4 kinds of communication paths, these four forbid the communication path to be respectively：
Forbid the communication from first input port X1 to the second output port Y2；
Forbid the communication from first input port X1 to the 4th output port Y4；
Forbid the communication from the 3rd input port X3 to the second output port Y2；
Forbid the communication from the 3rd input port X3 to the 4th output port Y4.
Router of the present invention after 4 kinds of above-mentioned communication direction paths are forbidden, then using remaining 16 kinds of communication directions into Walking along the street by.In this 16 kinds of communication directions, 9 kinds of communication directions are directly connected in router interior by fiber waveguide, and failure rate is low； Remaining 7 kinds of communication directions need to be coupled to up to destination interface by micro-ring resonator.Wherein：
9 kinds of paths of communication are connected directly by fiber waveguide to be included:
The communication of upper port Y30 is exported from the first input left port X10 to the 3rd；
The communication of lower port Y51 is exported from the first input right output port X11 to the 5th；
The communication of right output port Y41 is exported from the second input left port X20 to the 4th；
The communication of upper port Y50 is exported from the second input right output port X21 to the 5th；
The communication of right output port Y11 is exported from the 3rd input lower port X31 to first；
The communication of left port Y20 is exported from the 3rd input upper port X30 to second；
The communication of right output port Y11 is exported from the 4th input left port X40 to first；
The communication of right output port Y11 is exported from the 5th input lower port X51 to first；
The communication of left port Y40 is exported from the 5th input upper port X50 to the 4th.
Need to communicate by micro-ring resonator coupling optical waveguide on remaining 7 kinds of directions, establish two in those directions Path, i.e. directapath and backup path, router is preferentially communicated when working normally using directapath, when in directapath Communicated when micro-ring resonator damages using backup path, therefore have 7 directapaths and 7 backup paths, totally 14 paths, often Need to use 1 micro-ring resonator on paths, need 14 micro-ring resonators altogether.
7 directapaths and its need micro-ring resonator coupled relation to be used are as follows：
The communication that second input left port X20 to first exports left port Y10 is coupled using the 3rd micro-ring resonator M3；
The communication that second input left port X20 to the 3rd exports upper port Y30 is coupled using the 7th micro-ring resonator M7；
The communication that 4th input left port X40 to the 5th exports upper port Y50 is coupled using the second micro-ring resonator M2；
The communication that 4th input left port X40 to the 3rd exports upper port Y30 is coupled using the 6th micro-ring resonator M6；
The communication that 5th input lower port X51 to the 3rd exports lower port Y31 is coupled using the tenth micro-ring resonator M10；
The communication that 5th input lower port X51 to first exports right output port Y11 uses the 13rd micro-ring resonator M13 couplings Close；
The communication that 3rd input lower port X31 to the 5th exports lower port Y51 uses the 11st micro-ring resonator M11 couplings Close.
7 backup paths and its need micro-ring resonator coupled relation to be used are as follows：
The communication that second input right output port X21 to first exports left port Y10 is coupled using the 4th micro-ring resonator M4；
The communication that second input right output port X21 to the 3rd exports upper port Y30 is coupled using the 8th micro-ring resonator M8；
The communication that 4th input right output port X41 to the 5th exports upper port Y50 is coupled using the first micro-ring resonator M1；
The communication that 4th input right output port X41 to the 3rd exports upper port Y30 is coupled using the 5th micro-ring resonator M5；
The communication that 5th input upper port X50 to the 3rd exports upper port Y30 is coupled using the 9th micro-ring resonator M9；
The communication that 5th input upper port X50 to first exports left port Y10 uses the 14th micro-ring resonator M14 couplings Close；
The communication that 3rd input upper port X30 to the 5th exports upper port Y50 uses the 12nd micro-ring resonator M12 couplings Close.
With reference to Fig. 2, the basic light crosspoint of this example is basic 1x2 switch elements, it is divided into following two classifications：One It is parallel switching element, as shown in Figure 2 a；Second, crossbar element, as shown in Figure 2 b.Both switch elements are by two Waveguide and a micro-ring resonator composition.Control unit requires to open and close micro-ring resonator according to switching.Upon closing, it is micro- When ring resonator is in cut-off state, resonance wavelength is cut-off state resonant wavelength, and incident optical signal will be inputted from input port, The transmission direction of optical signal does not change, and is exported from off status outbound course.When micro-ring resonator is in the conduction state, resonance wave Long to be changed into conducting state resonant wavelength, incident optical signal will be coupled in micro-ring resonator from input port and be exported from open state Direction exports.
With reference to Fig. 3, the 4th input, output port internal structure in this example, wherein：
The internal structure of 4th input port X4, is made of two parallel waveguides and two micro-ring resonators, this two ripples Lead and be placed in parallel, two micro-ring resonators are respectively an an acquiescence micro-ring resonator D and spare micro-ring resonator R, this two A micro-ring resonator is placed on the parallel middle of two waveguides, other input ports are similar, as shown in Figure 3a；
The internal structure of 4th output port Y4, is made of two parallel waveguides and two micro-ring resonators, this two ripples Lead and be placed in parallel, two micro-ring resonators are respectively an an acquiescence micro-ring resonator D and spare micro-ring resonator R, this two A micro-ring resonator is placed on the parallel middle of two waveguides, other input ports are similar, as shown in Figure 3b.
With reference to Fig. 4, spare micro-ring resonant is used when giving tacit consent to micro-ring resonator D damages in the input of this example, output port The working method of device R, wherein：
When micro-ring resonator D damages are given tacit consent in the 4th input port X4, the data that input port is inputted into router are led to Spare micro-ring resonator R coupled transfers are crossed, as shown in fig. 4 a；
During the 4th output port Y4 acquiescence micro-ring resonator D damages, the data that output port is exported from router pass through Spare micro-ring resonator R coupled transfers, as shown in Figure 4 b.
With reference to Fig. 5, this example, which is illustrated from the 4th input outputs of left port X40 to first left port Y10, directly passes through ripple The communication path of W9 is led, it uses fiber waveguide direct communication, and the communication between two ports is only by waveguide transmission at this time, without making Coupled with micro-ring resonator, failure rate is low.
With reference to Fig. 6, illustrated in this example from the communication path the 4th sending port X4 to the 5th receiving port Y5, It couples optical signal by micro-ring resonator and communicates from directapath, and wherein directapath is from the 4th input left port X40 To the 5th output upper port Y50, the second micro-ring resonator M2 coupled transfers are used.
With reference to Fig. 7, the 4th input port X4 to the 5th output port Y5 is illustrated in this example using the logical of backup path Letter, its communication means is to couple optical signal by micro-ring resonator to communicate from backup path, when the micro-ring resonant in directapath It is the communication that upper port Y50 is exported from the 4th input right output port X41 to the 5th using backup path when device M2 is damaged, uses the One micro-ring resonator M1 coupled transfers.
Above description is only example of the present invention, does not form any limitation of the invention, it is clear that for this , all may be without departing substantially from the principle of the invention, structure after present invention and principle has been understood for the professional in field In the case of, the various modifications and variations in form and details are carried out, but these modifications and variations based on inventive concept are still Within the claims of the present invention.

Claims (5)

1. the clog-free on piece optical router of a kind of fault tolerant, it is characterised in that including 5 input ports, 5 output ports, 11 One optical waveguide and 34 micro-ring resonators；It is connected respectively with input, output port per one optical waveguide, forms multiple waveguides and intersect Point；These micro-ring resonators are separately positioned on waveguide intersection, the middle of parallel waveguide and input, output port.
2. the clog-free on piece optical router of fault tolerant according to claim 1, it is characterised in that：Each waveguide with it is each The connection relation of input/output terminal is as follows：
The first input left port (X10) of first wave guide (W1) connection and the 3rd output upper port (Y30)；
The first input right output port (X11) of second waveguide (W2) connection and the 5th output lower port (Y51)；
3rd waveguide (W3) connection second input right output port (X21) and the 5th export upper port (Y50), and with first wave guide (W1) Intersect, formed the first crosspoint (C1)；
4th waveguide (W4) connection second input left port (X20) and the 4th export right output port (Y41), and respectively with first wave guide (W1) intersect with the 3rd waveguide (W3), form the second crosspoint (C2) and the 3rd crosspoint (C3)；
The 3rd input upper port (X30) of 5th waveguide (W5) connection and the 12nd micro-ring resonator (M12), and and first wave guide (W1) intersect, form the 4th crosspoint (C4)；
6th waveguide (W6) connection the 3rd input lower port (X31) and first export right output port (Y10), and with second waveguide (W2) Intersect, form the 5th crosspoint (C5)；
7th waveguide (W7) connection the 5th input upper port (X50) and the 4th export left port (Y40), and respectively with it is other multiple Waveguide intersects to form multiple crosspoints：Intersect with first wave guide (W1), form the 6th crosspoint (C6) and the 7th crosspoint (C7)；Intersect with the 3rd waveguide (W3), form the 8th crosspoint (C8)；Intersect with the 4th waveguide (W4), form the 9th crosspoint (C9) and the tenth crosspoint (C10)；Intersect with the 5th waveguide (W5), form the 11st crosspoint (C11)；
8th waveguide (W8) connection the 5th input lower port (X51) and second export right output port (Y21), and respectively with it is other multiple Waveguide intersects to form multiple crosspoints：Intersect with second waveguide (W2), form the 12nd crosspoint (C12) and the 13rd and intersect Point (C13)；Intersect with the 6th waveguide (W6), form the 14th crosspoint (C14)；
9th waveguide (W9) connection the 4th input left port (X40) and first export left port (Y10), and respectively with it is other multiple Waveguide intersects to form multiple crosspoints：Intersect with first wave guide (W1), form the 15th crosspoint (C15) and the 16th crosspoint (C16)；Intersect with the 3rd waveguide (W3), form the 17th crosspoint (C17) and the 18th crosspoint (C18)；
The 4th input right output port (X41) of tenth waveguide (W10) connection and the second output left port (Y20), and and first wave guide (W1) intersect with the 9th waveguide (W9), form the 19th crosspoint (C19) and the 20th crosspoint (C20) respectively；
11st waveguide (W11) connects the tenth micro-ring resonator (M10) and the 3rd output lower port (Y3).
3. the clog-free on piece optical router of fault tolerant according to claim 1 or 2, it is characterised in that：Each micro-loop is humorous Shake device position relationship set it is as follows：
First micro-ring resonator (M1) is arranged on parallel place of the tenth waveguide (W10) between the 3rd waveguide (W3)；
Second micro-ring resonator (M2) is arranged on the lower left corner in the 18th crosspoint (C18)；
3rd micro-ring resonator (M3) is arranged on the parallel place between the 9th waveguide (W9) and the 4th waveguide (W4)；
4th micro-ring resonator (M4) is arranged on the upper right corner in the 17th crosspoint (C17)；
5th micro-ring resonator (M5) is arranged on the lower left corner in the 19th crosspoint (C19)；
6th micro-ring resonator (M6) is arranged on the parallel place between the 9th waveguide (W9) and first wave guide (W1)；
7th micro-ring resonator (M7) is arranged on the parallel place between the 4th waveguide (W4) and first wave guide (W1)；
8th micro-ring resonator (M8) is arranged on the lower right corner of the first crosspoint (C1)；
9th micro-ring resonator (M9) is arranged on the parallel place between the 7th waveguide (W7) and first wave guide (W1)；
Tenth micro-ring resonator (M10) is arranged on the parallel place between the 11st waveguide (W11) and the 8th waveguide (W8)；
11st micro-ring resonator (M11) is arranged on the parallel place between the 6th waveguide (W6) and second waveguide (W2)；
12nd micro-ring resonator (M12) is arranged on the parallel place between the 5th waveguide (W5) and the 3rd waveguide (W3)；
13rd micro-ring resonator (M13) is arranged on the parallel place between the 8th waveguide (W8) and the 6th waveguide (W6)；
14th micro-ring resonator (M14) is arranged on the parallel place between the 9th waveguide (W9) and the 7th waveguide (W7)；
15th to the 34th micro-ring resonator (M15-M34) is separately positioned in 5 input ports and 5 output ports, Be placed with 2 micro-ring resonators in i.e. each input, output port, and each micro-ring resonator be located at two of port it is parallel Between waveguide.
4. the clog-free on piece optical router of fault tolerant according to claim 1, wherein the diameter of each micro-ring resonator It is same with resonance wave appearance, and resonance wavelength is equal to the operation wavelength of optical router, is used for realization the steering of piece optical signal.
5. the clog-free on piece optical router of fault tolerant according to claim 1, wherein each fiber waveguide is bending wave Lead, be used for realization the transmission of piece optical signal.
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* Cited by examiner, † Cited by third party
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US11817903B2 (en) 2020-08-06 2023-11-14 Celestial Ai Inc. Coherent photonic computing architectures
US11835777B2 (en) 2022-03-18 2023-12-05 Celestial Ai Inc. Optical multi-die interconnect bridge (OMIB)

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CN102645706A (en) * 2012-05-09 2012-08-22 中国科学院半导体研究所 Five-port nonblocking optical router based on micro-ring resonators
CN106533993A (en) * 2016-12-12 2017-03-22 西安电子科技大学 Optical network on chip based on five-port optical router
CN106549874A (en) * 2015-09-16 2017-03-29 龙芯中科技术有限公司 Optical router, network-on-chip, data transmission method and device

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CN102645706A (en) * 2012-05-09 2012-08-22 中国科学院半导体研究所 Five-port nonblocking optical router based on micro-ring resonators
CN106549874A (en) * 2015-09-16 2017-03-29 龙芯中科技术有限公司 Optical router, network-on-chip, data transmission method and device
CN106533993A (en) * 2016-12-12 2017-03-22 西安电子科技大学 Optical network on chip based on five-port optical router

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11817903B2 (en) 2020-08-06 2023-11-14 Celestial Ai Inc. Coherent photonic computing architectures
US11835777B2 (en) 2022-03-18 2023-12-05 Celestial Ai Inc. Optical multi-die interconnect bridge (OMIB)

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