Light switching method, light switching apparatus and optical se

Details Light switching method, light switching apparatus and optical se Light switching method, light switching apparatus and optical se

1995-08-14

1997-07-22

Le, Que

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250214LS, 257 22, G02F 101

Patent

active

056506112

ABSTRACT:
A light switching apparatus includes an optically non-linear etalon, a first optical part for applying a signal light of a linear polarization to the optically non-linear etalon, and a second optical part for applying a control light of a circular polarization or elliptical polarization to the optically non-linear etalon. The control light varies a refractive index of an optically non-linear substance of the optically non-linear etalon to thereby perform a switching operation on the signal light.

REFERENCES:
patent: 5005933 (1991-04-01), Shimuzu
patent: 5151589 (1992-09-01), Takeuchi
"Highly Repetitive Picosecond Polarization Switching in Type-II AlGaAs/AlAs Multiple Quantum Well Structures", Kawazoe et al, Jpn. J. Appl. Phys. vol. 32, pp. L1756-L1759, Oct. 1993.

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