Optical waveguides – With optical coupler – Switch
Patent
1991-12-18
1993-09-21
Lee, John D.
Optical waveguides
With optical coupler
Switch
G02B 626
Patent
active
052475930
ABSTRACT:
This is a crossbar switch which comprises: X rows by Y columns of modular optical switches each comprising X or more channel inputs and X or more channel outputs where X is greater than one; and each of columns 1 to Y-1 of the modular optical switches having 1/Xth of the channel outputs optically connected to 1/Xth of the channel inputs of each of the modular optical switches in a next column. Other methods and devices are disclosed.
REFERENCES:
patent: 4811210 (1989-03-01), McAulay
Ogiwara; "Optical Waveguide Switch (3.times.3) for an optical switching system"; Applied Optics; vol. 17 No. 8; Apr. 15, 1978, pp. 1182-1186.
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H. S. Hinton, "Photonic Switching and Optical Computing Based on Free-Space Digital Optics", SPIE-Digital Optical Computing II, pp. 132, 134-142, vol. 1215, 1990.
Aloke Guha, et al., "Optical Interconnections for Massively Parallel Architectures", Applied Optics, pp. 1077-1093, vol. 29, No. 8, Mar. 10, 1990.
E. E. E. Frietman, et al., "Parallel Optical Interconnects: Implementation of Optoelectronics in Multiprocessor Architectures", Applied Optics, pp. 1161-1177, vol. 29, No. 8, Mar. 10, 1990.
Kai Hwang, "Advanced Parallel Processing with Supercomputer Architectures", Proceedings of the IEEE, pp. 1348-1379, vol. 75, No. 10, Oct. 1987.
John A. Neff, "Optical Interconnects for Multiprocessors", SPIE-Interconnection of High Speed and High Frequency Devices and Systems, pp. 13-18, vol. 947, 1988.
F. Kiamilev, et al., "Programmable Optoelectronic Multiprocessors and Their Comparison with Symbolic Substitution for Digital Optical Computing", Optical Engineering, pp. 396-408, vol. 28, No. 4, Apr. 1989.
L. A. Bergman, et al., "Holographic Optical Interconnects for VLSI", Optical Engineering, pp. 1109-1118, vol. 25, No. 10, Oct. 1986.
N. C. Roberts, "Fixed Holographic Optical Interconnects for Neural Networks", SPIE-Optical Interconnections and Networks, pp. 151-156, vol. 1281, 1990.
Lin Tsen-Hwang
Malarcher Falvey
Burton Dana L.
Donaldson Richard L.
Kesterson James C.
Lee John D.
Ngo John
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