CN103048739B - 3 * 3 free-space optical router - Google Patents
3 * 3 free-space optical router Download PDFInfo
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- CN103048739B CN103048739B CN201310016242.5A CN201310016242A CN103048739B CN 103048739 B CN103048739 B CN 103048739B CN 201310016242 A CN201310016242 A CN 201310016242A CN 103048739 B CN103048739 B CN 103048739B
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Abstract
The invention relates to a 3*3 free-space optical router, which comprises six beam channels, eighteen polarization beam splitters, nineteen optical switches and nineteen electrical switches which are integrated on one circuit control board, wherein one end of each optical switch is connected with a power supply, and the other end of each optical switch is connected with the other end of the power supply through the corresponding electrical switch; and the control end of each electrical switch is connected with the output end of a computer through a data line. The computer can realize non-blocking connection between any two channels of the six channels by controlling the polarization state of signal light. The router provided by the invention has the advantages of simple structure, fast response, non-blocking connection, high-speed parallel, high capacity and the like, and is suitable for various optical interconnection networks.
Description
Technical field
The present invention relates to optical router, particularly a kind of 3 × 3 free space type optical routers, clog-free connection when can realizing fast in 6 passages between any two passages.Be applicable to various optical interconnection networks and laser space communication.
Background technology
Large bandwidth optical interconnection and the light switching technology with quick exchange capacity have huge application prospect in computing machine and optical communication system, therefore become forward position and the focus of information optics research and development.Optical interconnection network is from electronic interconnection network amplification, develops, and is interconnected and array of photoswitch is realized topology of networks by light.Due to electronic circuit bandwidth " bottleneck ", limit the handling capacity of network node, therefore photoswitch is realized most important for the function of optical-fiber network.Photoswitch can be realized the control of flashlight route and light exchange, replaces device or system taking electronics as carrier, abandons electric light exchange, realizes the full light conversion of light signal.Free Space Optics is mainly to realize by geometrical optics and physical optics, and it can give full play to the jumbo feature of light beam high bandwidth, and can the three-dimensional light interconnection of free implementation space.
In existing photoswitch scheme, flashlight, successively by modules at different levels, under the control of phase type spatial light modulators at different levels, completes final exchange output, can realize the clog-free light exchange of any input port to any output port.Consult document (1) Luo Fengguang, Cao Mingcui, thanks recklessly Zhou Xinjun, Luo Zhixiang, Xu Jun, 4 × 4 free space optical switch construction and matrix analyses thereof.Document (2) Yang Junbo, Su Xianyu, with polarization irrelevant two-way 2 × 2 and 4 × 4 free space photoswitches.But can not realize light signal at input-input port, the exchange between output-output port, can not realize complete route control function.
Summary of the invention
The object of the present invention is to provide a kind of 3 × 3 free space optical routers, this spatial light router, under the control of computing machine, can be realized the clog-free connection of any two passage of 6 passages.There is high-speed parallel, large capacity, clog-free, simple and compact for structure, small loss and other features.
Technical solution of the present invention is as follows:
A kind of 3 × 3 free space optical routers, feature is that its formation comprises 6 beam channels, has 19 photoswitches of same structure, there are 18 polarization beam apparatus of same structure, have 19 electric switches of same structure, a circuit control panel, a power supply and a computing machine, the position relationship of above-mentioned component is as follows:
The 1st beam channel and the 4th passage light beam are in the same horizontal line, the 2nd beam channel and the 5th passage light beam are in the same horizontal line, the 3rd beam channel and the 6th passage light beam are in the same horizontal line, the beam direction entering along the 1st beam channel is the 1st photoswitch successively, the 1st polarization beam apparatus, the 6th polarization beam apparatus), the 9th photoswitch, the 8th polarization beam apparatus, the 10th polarization beam apparatus, the 11st photoswitch, the 12nd polarization beam apparatus, the 16th polarization beam apparatus, the 17th photoswitch arrives the 4th beam channel, the 1st described polarization beam apparatus, the 8th polarization beam apparatus, the beam-splitting surface of the 12nd polarization beam apparatus and described the 1st passage light beam angle at 45 °, the 6th described polarization beam apparatus, the 10th polarization beam apparatus, the beam-splitting surface of the 16th polarization beam apparatus becomes 135 ° of angles with the 1st described passage light beam,
The beam direction entering along the 2nd beam channel is the 2nd photoswitch, the 2nd polarization beam apparatus, the 6th photoswitch, the 4th polarization beam apparatus, the 8th photoswitch, the 7th polarization beam apparatus successively, the 2nd described polarization beam apparatus and the beam-splitting surface of the 7th polarization beam apparatus become into 135 ° of angles with the light beam of the 2nd beam channel, the light beam angle at 45 ° of the beam-splitting surface of the 4th described polarization beam apparatus and the 2nd beam channel;
The beam direction entering along the 3rd beam channel is the 3rd photoswitch successively, the 3rd polarization beam apparatus, the 7th photoswitch, the 5th polarization beam apparatus, the 9th polarization beam apparatus, the 10th photoswitch, the 11st polarization beam apparatus, the 15th polarization beam apparatus, the 14th photoswitch, the 18th polarization beam apparatus and the 19th photoswitch arrive the 6th beam channel, the 9th described polarization beam apparatus, the light beam angle at 45 ° of the beam-splitting surface of the 15th polarization beam apparatus and the 18th polarization beam apparatus and the 3rd beam channel, the 3rd described polarization beam apparatus, the beam-splitting surface of the 5th polarization beam apparatus and the 11st polarization beam apparatus becomes 135 ° of angles with the light beam of the 3rd beam channel,
In the reflected light direction of the 1st described polarization beam apparatus through the 3rd polarization beam apparatus described in the 4th photoswitch, the 2nd polarization beam apparatus, the 5th photoswitch incident;
The folded light beam of the 4th described polarization beam apparatus impinges perpendicularly on the 5th polarization beam apparatus;
The folded light beam of the 6th described polarization beam apparatus impinges perpendicularly on the 7th polarization beam apparatus;
The folded light beam of the 8th described polarization beam apparatus impinges perpendicularly on the 9th polarization beam apparatus;
The folded light beam of the 10th described polarization beam apparatus impinges perpendicularly on the 11st polarization beam apparatus;
The folded light beam of the 12nd described polarization beam apparatus impinges perpendicularly on the 13rd polarization beam apparatus, through the folded light beam of the 13rd polarization beam apparatus successively through the 12nd photoswitch, the 14th polarization beam apparatus, the 13rd photoswitch, enter the 5th beam channel through the transmitted light beam vertical incidence of the 17th polarization beam apparatus and after by the 18th photoswitch;
The 13rd described polarization beam apparatus and the beam-splitting surface of the 17th polarization beam apparatus become 135 ° of angles with the light beam of the 5th beam channel, the light beam angle at 45 ° of the beam-splitting surface of the beam-splitting surface of the 14th described polarization beam apparatus and the 5th beam channel;
The folded light beam of the 14th described polarization beam apparatus impinges perpendicularly on the 15th polarization beam apparatus;
Impinge perpendicularly on successively the 15th photoswitch, the 17th polarization beam apparatus, the 16th photoswitch and the 18th polarization beam apparatus through the folded light beam of the 16th polarization beam apparatus;
Above-mentioned component is all integrated on described circuit control panel, one end of each photoswitch is connected with described power supply, the other end connects the other end of described power supply by a corresponding electric switch, the control end of all electric switches is connected with the output terminal of described computing machine by data line.
The working condition of the present invention's 3 × 3 free space optical routers is as follows:
Original state, all switches all disconnect.First determine the passage that needs connection, input computing machine, computing machine follow procedure, according to the state of the definite photoswitch of flowing through of the passage connecting and the corresponding photoswitch of flowing through, by the break-make of its corresponding electric switch of command set, is realized the connection of passage according to the state of the photoswitch of flowing through.Only, according to the program setting switch of flowing through, for not flowing through, switch remains open state.
Technique effect of the present invention is as follows:
The present invention is a kind of 3 × 3 free space optical routers, and the control by computing machine to photoswitch, has realized 6 any two passages of passage and connected clog-free simultaneously.The present invention has the route control function of optical switch matrix, can realize the dynamic routing of optical-fiber network.There is large capacity, clog-free, fast response time, simple in structure, energy loss is low, and easily the advantage such as installation, is applicable to various optical interconnection networks.
Brief description of the drawings
Fig. 1 is the light channel structure schematic diagram of the present invention's 3 × 3 free space optical routers.
Fig. 2 is the electric structural representation of the present invention's 3 × 3 free space optical routers.
Fig. 3 is the workflow diagram of the present invention's 3 × 3 free space optical routers
Embodiment
Below in conjunction with accompanying drawing, 3 × 3 free space optical routers of the present invention are described further, but should limit the scope of the invention with this.
Refer to Fig. 1 and Fig. 2, Fig. 1 is the light channel structure schematic diagram of the present invention's 3 × 3 free space optical routers, Fig. 2 is the electric structural representation of the present invention's 3 × 3 free space optical routers, as seen from the figure, the present invention's 3 × 3 free space optical routers, form 19 photoswitches that comprise 6 beam channels, there is same structure, there are 18 polarization beam apparatus of same structure, have 19 electric switches of same structure, circuit control panel 7, power supply and a computing machine, the position relationship of above-mentioned component is as follows:
The 1st beam channel 1 and the 4th passage light beam 4 are in the same horizontal line, the 2nd beam channel 2 and the 5th passage light beam 5 are in the same horizontal line, the 3rd beam channel 3 and the 6th passage light beam 6 are in the same horizontal line, the beam direction entering along the 1st beam channel 1 is the 1st photoswitch k1 successively, the 1st polarization beam apparatus p1, the 6th polarization beam apparatus p6, the 9th photoswitch k9, the 8th polarization beam apparatus p8, the 10th polarization beam apparatus p10, the 11st photoswitch k11, the 12nd polarization beam apparatus p12, the 16th polarization beam apparatus p16, the 17th photoswitch k17 arrives the 4th beam channel 4, the 1st described polarization beam apparatus p1, the 8th polarization beam apparatus p8, the light beam angle at 45 ° of the beam-splitting surface of the 12nd polarization beam apparatus p12 and described the 1st beam channel, the 6th described polarization beam apparatus p6, the 10th polarization beam apparatus p10, the beam-splitting surface of the 16th polarization beam apparatus p16 becomes 135 ° of angles with the light beam of described the 1st beam channel,
The beam direction entering along the 2nd beam channel 2 is the 2nd photoswitch k2, the 2nd polarization beam apparatus p2, the 6th photoswitch k6, the 4th polarization beam apparatus p4, the 8th photoswitch k8, the 7th polarization beam apparatus p7 successively, the 2nd described polarization beam apparatus p2 and the beam-splitting surface of the 7th polarization beam apparatus p7 become into 135 ° of angles with the light beam of the 2nd beam channel 2, the light beam angle at 45 ° of the beam-splitting surface of the 4th described polarization beam apparatus p4 and the 2nd beam channel 2;
The beam direction entering along the 3rd beam channel 3 is the 3rd photoswitch k3 successively, the 3rd polarization beam apparatus p3, the 7th photoswitch k7, the 5th polarization beam apparatus p5, the 9th polarization beam apparatus p9, the 10th photoswitch k10, the 11st polarization beam apparatus p11, the 15th polarization beam apparatus p15, the 14th photoswitch k14, the 18th polarization beam apparatus p18 and the 19th photoswitch k19 arrive the 6th beam channel 6, the 9th described polarization beam apparatus p9, the light beam angle at 45 ° of the beam-splitting surface of the 15th polarization beam apparatus p15 and the 18th polarization beam apparatus p18 and the 3rd beam channel 3, the 3rd described polarization beam apparatus p3, the beam-splitting surface of the 5th polarization beam apparatus p5 and the 11st polarization beam apparatus p11 becomes 135 ° of angles with the light beam of the 3rd beam channel 3,
In the reflected light direction of the 1st described polarization beam apparatus p1 through the 3rd polarization beam apparatus p3 described in the 4th photoswitch k4, the 2nd polarization beam apparatus p2, the 5th photoswitch k5 incident;
The folded light beam of the 4th described polarization beam apparatus p4 impinges perpendicularly on the 5th polarization beam apparatus p5;
The folded light beam of the 6th described polarization beam apparatus p6 impinges perpendicularly on the 7th polarization beam apparatus p7;
The folded light beam of the 8th described polarization beam apparatus p8 impinges perpendicularly on the 9th polarization beam apparatus p9;
The folded light beam of the 10th described polarization beam apparatus p10 impinges perpendicularly on the 11st polarization beam apparatus p11;
The folded light beam of the 12nd described polarization beam apparatus p12 impinges perpendicularly on the 13rd polarization beam apparatus p13, through the folded light beam of the 13rd polarization beam apparatus p13 successively through the 12nd photoswitch k12, the 14th polarization beam apparatus p14, the 13rd photoswitch k13, enter the 5th beam channel 5 through the transmitted light beam vertical incidence of the 17th polarization beam apparatus p17 and after by the 18th photoswitch k18;
The 13rd described polarization beam apparatus p13 and the beam-splitting surface of the 17th polarization beam apparatus p17 become 135 ° of angles with the light beam of the 5th beam channel 5, the light beam angle at 45 ° of the beam-splitting surface of the 14th described polarization beam apparatus p14 and the 5th beam channel 5;
The folded light beam of the 14th described polarization beam apparatus p14 impinges perpendicularly on the 15th polarization beam apparatus p15;
Impinge perpendicularly on successively the 15th photoswitch k15, the 17th polarization beam apparatus p17, the 16th photoswitch k16 and the 18th polarization beam apparatus p18 through the folded light beam of the 16th polarization beam apparatus p16;
Above-mentioned component is all integrated on described circuit control panel 7, one end of each photoswitch connects power supply, the other end connects the other end of described power supply by a corresponding electric switch, the control end of all electric switches is connected with the output terminal of described computing machine by data line.
Fig. 1 is the schematic diagram that development of the present invention is implemented, signal beams can be Gaussian beam or plane wave, be connected with the 2nd beam channel 2 with the 1st beam channel 1, the 3rd beam channel 3 is connected with the 5th beam channel 5 simultaneously, and the 4th beam channel 4 and the 6th beam channel 6 are connected to example and describe.
Impinge perpendicularly on the 1st photoswitch k1 from the flashlight of the 1st beam channel 1 incident, by the 1st photoswitch k1 being added to half-wave voltage realization, light polarization is modulated, making signal state of polarization is S polarization, after the 1st polarization beam apparatus p1 reflection, incide the 4th photoswitch k4, to the half-wave voltage control of the 4th photoswitch k4, make flashlight polarization state keep S polarization, after the 2nd polarization beam apparatus p2 reflection, arrive the 2nd beam channel 2 through the 2nd photoswitch k2.
Impinge perpendicularly on the 3rd photoswitch k3 from the signal of the 3rd beam channel 3 incidents, by the 3rd photoswitch k3 being added to half-wave voltage realization, light polarization is modulated, making flashlight polarization state is P polarization, after the 3rd polarization beam apparatus p3 transmission, incide the 7th photoswitch k7, by the half-wave voltage control to the 7th photoswitch k7, make flashlight polarization state keep P polarization, be transmitted into and be mapped to the 10th photoswitch k10 through the 5th polarization beam apparatus p5 and the 9th polarization beam apparatus p9 successively, by the 10th photoswitch k10 is added to half-wave voltage, making flashlight polarization state is S polarization, after the 11st polarization beam apparatus p11 reflection, impinge perpendicularly on the 10th polarization beam apparatus p10, incident the 11st photoswitch k11 after the 10th polarization beam apparatus p10 reflection, to the half-wave voltage control of the 11st photoswitch k11, make flashlight polarization state keep S polarization, successively after the 12nd polarization beam apparatus p12 and the 13rd polarization beam apparatus p13 reflection, incide the 12nd photoswitch k12, through the 12nd control of photoswitch k12 to flashlight polarization state, make flashlight polarization state rotate to be P polarization, P polarization signal light is successively through the 14th polarization beam apparatus p14, the 13rd photoswitch k13, the 17th polarization beam apparatus p17, the 18th photoswitch k18 transmission, arrive the 5th beam channel 5.
The flashlight of inputting from the 4th light beam output channel 4 impinges perpendicularly on the 17th photoswitch k17, by the 17th photoswitch k17 being added to half-wave voltage realization, light polarization is modulated, making flashlight polarization state is S polarization, after the 16th polarization beam apparatus p16 reflection, incide the 15th photoswitch k15, by the 15th photoswitch k15 is added to half-wave voltage, make flashlight polarization state rotate to be P polarization, after the 17th polarization beam apparatus p17 transmission, incide the 16th photoswitch k16, by the 16th photoswitch k16 is added to half-wave voltage, make flashlight polarization state rotate to be S polarization, after the 18th polarization beam apparatus p18 reflection, incide the 19th photoswitch k19, arrive the 6th beam channel 6.
These are only any two channel attached a kind of combinations of 6 passages, the present invention is by applying half-wave voltage to each photoswitch, and selecting any two passages is IO channel, can realize connect simultaneously clog-free.The present invention has 15 kinds of connected modes, and switch state of a control corresponding to each connected mode is listed as follows:
In order to simplify statement, in table: Ti-i beam channel; Ki-i photoswitch K; Pi-i polarization beam apparatus, corresponding on off state: switch is added to half-wave voltage and be designated as 1, do not add half-wave voltage and be designated as 0.
1, T1 is connected with T2, and T3 is connected with T4 simultaneously, and T5 is connected with T6:
2.T1 is connected with T2, and T3 is connected with T5 simultaneously, and T6 is connected with T4:
3.T1 is connected with T2, and T3 is connected with T6 simultaneously, and T4 is connected with T5:
4.T1 is connected with T2, and T2 is connected with T4 simultaneously, and T5 is connected with T6 with T1:
5.T1 is connected with T3, and T2 is connected with T5 simultaneously, and T4 is connected with T6:
6.T1 is connected with T3, and T2 is connected with T6 simultaneously, and T4 is connected with T5:
7.T1 is connected with T4, and T2 is connected with T3 simultaneously, and T5 is connected with T6:
8.T1 is connected with T4, and T2 is connected with T5 simultaneously, and T3 is connected with T6:
9.T1 is connected with T4, and T2 is connected with T6 simultaneously, and T3 is connected with T5:
10.T1 is connected with T5, and T2 is connected with T3 simultaneously, and T4 is connected with T6:
11.T1 is connected with T5, and T2 is connected with T4 simultaneously, and T3 is connected with T6:
12.T1 is connected with T5, and T2 is connected with T6 simultaneously, and T3 is connected with T4:
13.T1 is connected with T6, and T2 is connected with T3 simultaneously, and T4 is connected with T5:
14.T1 is connected with T6, and T2 is connected with T4 simultaneously, and T3 is connected with T5:
15.T1 is connected with T6, and T2 is connected with T5 simultaneously, and T3 is connected with T4:
Beam diameter 2mm in the present embodiment.Described polarization beam splitter structure size is identical is 5mm × 5mm × 5mm.Photoswitch size is identical is 3mm × 3mm × 30mm.Wave plate is measure-alike is the diameter 10mm that 2mm is thick.
The working condition of the present invention's 3 × 3 free space optical routers is as follows:
Original state, all switches all disconnect.First determine and need the passage connecting to input computing machine, described computing machine follow procedure is according to the state of the definite photoswitch of flowing through of the passage connecting and the corresponding photoswitch of flowing through, by the break-make of the corresponding electric switch of command set, realize the connection of passage according to the state of the photoswitch of flowing through.Particular flow sheet as shown in Figure 3.
Experiment shows, the present invention's 3 × 3 free space optical routers, and the control by computing machine to photoswitch, can realize 6 any two passages of passage and connect clog-free simultaneously.The present invention has the route control function of optical switch matrix, can realize the dynamic routing of optical-fiber network.There is large capacity, clog-free, fast response time, simple in structure, energy loss is low, and easily the advantage such as installation, is applicable to various optical interconnection networks.
Claims (1)
1. a free space optical router, be characterised in that its formation comprises that 6 beam channels, 18 polarization beam apparatus, 19 photoswitches and 19 electric switches are integrated on a circuit control panel, one end of each photoswitch connects power supply, the other end connects the other end of described power supply by a corresponding electric switch, the control end of all electric switches is connected with the output terminal of computing machine by data line
The 1st beam channel (1) and the 4th beam channel (4) are in the same horizontal line, the 2nd beam channel (2) and the 5th beam channel (5) are in the same horizontal line, in the same horizontal line, the beam direction entering along the 1st beam channel (1) is the 1st photoswitch (k1) successively for the 3rd beam channel (3) and the 6th beam channel (6), the 1st polarization beam apparatus (p1), the 6th polarization beam apparatus (p6), the 9th photoswitch (k9), the 8th polarization beam apparatus (p8), the 10th polarization beam apparatus (p10), the 11st photoswitch (k11), the 12nd polarization beam apparatus (p12), the 16th polarization beam apparatus (p16), the 17th photoswitch (k17) arrives the 4th beam channel (4), the 1st described polarization beam apparatus (p1), the 8th polarization beam apparatus (p8), the light beam angle at 45 ° of the beam-splitting surface of the 12nd polarization beam apparatus (p12) and described the 1st beam channel (1), the 6th described polarization beam apparatus (p6), the 10th polarization beam apparatus (p10), the beam-splitting surface of the 16th polarization beam apparatus (p16) becomes 135 ° of angles with the light beam of described the 1st beam channel (1),
The beam direction entering along the 2nd beam channel (2) is the 2nd photoswitch (k2), the 2nd polarization beam apparatus (p2), the 6th photoswitch (k6), the 4th polarization beam apparatus (p4), the 8th photoswitch (k8), the 7th polarization beam apparatus (p7) successively, the 2nd described polarization beam apparatus (p2) and the beam-splitting surface of the 7th polarization beam apparatus (p7) become 135 ° of angles with the light beam of the 2nd beam channel (2), the light beam angle at 45 ° of the beam-splitting surface of the 4th described polarization beam apparatus (p4) and the 2nd beam channel (2);
The beam direction entering along the 3rd beam channel (3) is the 3rd photoswitch (k3) successively, the 3rd polarization beam apparatus (p3), the 7th photoswitch (k7), the 5th polarization beam apparatus (p5), the 9th polarization beam apparatus (p9), the 10th photoswitch (k10), the 11st polarization beam apparatus (p11), the 15th polarization beam apparatus (p15), the 14th photoswitch (k14), the 18th polarization beam apparatus (p18) and the 19th photoswitch (k19) arrive the 6th beam channel (6), the 9th described polarization beam apparatus (p9), the light beam angle at 45 ° of the beam-splitting surface of the 15th polarization beam apparatus (p15) and the 18th polarization beam apparatus (p18) and the 3rd beam channel (3), the 3rd described polarization beam apparatus (p3), the beam-splitting surface of the 5th polarization beam apparatus (p5) and the 11st polarization beam apparatus (p11) becomes 135 ° of angles with the light beam of the 3rd beam channel (3),
In the reflected light direction of the 1st described polarization beam apparatus (p1) through the 3rd polarization beam apparatus (p3) described in the 4th photoswitch (k4), the 2nd polarization beam apparatus (p2), the 5th photoswitch (k5) incident;
The folded light beam of the 4th described polarization beam apparatus (p4) impinges perpendicularly on the 5th polarization beam apparatus (p5);
The folded light beam of the 6th described polarization beam apparatus (p6) impinges perpendicularly on the 7th polarization beam apparatus (p7);
The folded light beam of the 8th described polarization beam apparatus (p8) impinges perpendicularly on the 9th polarization beam apparatus (p9);
The folded light beam of the 10th described polarization beam apparatus (p10) impinges perpendicularly on the 11st polarization beam apparatus (p11);
The folded light beam of the 12nd described polarization beam apparatus (p12) impinges perpendicularly on the 13rd polarization beam apparatus (p13), through the folded light beam of the 13rd polarization beam apparatus (p13) successively through the 12nd photoswitch (k12), the 14th polarization beam apparatus (p14), the 13rd photoswitch (k13), enter the 5th beam channel (5) through the transmitted light beam vertical incidence of the 17th polarization beam apparatus (p17) and after by the 18th photoswitch (k18);
The 13rd described polarization beam apparatus (p13) and the beam-splitting surface of the 17th polarization beam apparatus (p17) become 135 ° of angles with the light beam of the 5th beam channel (5), the light beam angle at 45 ° of the beam-splitting surface of the 14th described polarization beam apparatus (p14) and the 5th beam channel (5);
The folded light beam of the 14th described polarization beam apparatus (p14) impinges perpendicularly on the 15th polarization beam apparatus (p15);
Impinge perpendicularly on successively the 15th photoswitch (k15), the 17th polarization beam apparatus (p17), the 16th photoswitch (k16) and the 18th polarization beam apparatus (p18) through the folded light beam of the 16th polarization beam apparatus (p16).
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| CN1534918A (en) * | 2003-03-28 | 2004-10-06 | Pts | Optical route mechanism and method of proceeding route to light |
| CN102075824A (en) * | 2003-03-28 | 2011-05-25 | 阿尔特拉公司 | Optical routing mechanism with integral fiber input/output arrangement on MEMS die |
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