G - Physics
02
F
345/56, 88/97.4
G02F 3/02 (2006.01) G02B 26/04 (2006.01) G02F 3/00 (2006.01)
Patent
CA 1294804
ABSTRACT OPTICAL SWITCH Using a semi-conductor laser amplifier 1 in reflection, an optical switch is achieved which can be applied as either an AND/OR, or a NAND/NOR, logic gate. The amplifier 1 responds to an optical input switching signal and the logical characteristics of its response can be controlled by selection of the drive current to amplifier 1. The switch finds application in optical logic or communication systems.
554365
British Telecommunications Public Limited Company
G. Ronald Bell & Associates
LandOfFree
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