Optical device with spatial light modulators for switching polar

Details Optical device with spatial light modulators for switching polar Optical device with spatial light modulators for switching polar

1992-12-16

1994-05-31

Ben, Loha

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359 40, 359107, 359254, 359316, G02F 103, G02F 11335, G02F 129

Patent

active

053174453

ABSTRACT:
An optical switching device for switching linearly polarized optical signal beams includes a plurality of switching cells arranged in matrix form. Each switching cell has spatial light modulators and a polarizing beamsplitter which cooperate to propagate the optical beams received by the device to selected output ports. The device can be three-dimensionally expanded to increase the number of output ports to which the optical beams can be selectively switched, in which case the matrices can share integrally constructed polarizing beamsplitters and SLMs.

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"Switched Holograms for Reconfigurable Optical Interconnection: Demonstration of a Prototype Device", J. Barry McManus, Roger S. Putnam and H. John Caulfield. Applied Optics, vol. 27, No. 20, Oct. 15, 1988, pp. 4244-4250.
"Two-Dimensional Optical Architecture for Time-Delay Beam Forming in a Phased-Array Antenna", D. Dolfi, F. Michael-Gabriel, S. Bann, and J. P. Huignard. Optics Letters, vol. 16, No. 4, Feb. 15, 1991, pp. 255-257.

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