Optical switching devices

Details Optical switching devices Optical switching devices

1991-09-12

1993-04-13

Moskowitz, Nelson

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359241, 359321, 385 5, 372 11, G02F 135, F21V 904, G03C 100

Patent

active

052027864

ABSTRACT:
An optical switching device employs a rare earth bis-phthalocyanine having good third-order nonlinear susceptibilities. In a preferred optical switch, the rare earth bis-phthalocyanine is employed as a nonlinear optical material body that fills the space between two partially reflecting mirrors. When light incident on the switch is below a given intensity level, light passes through the switch and the switch is in an open state. When light is above a given intensity level, light is trapped in the nonlinear optical material and the switch is in a closed state.

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Shirk et al; Appl. Phys. Lett., vol. 55, #13, pp. 1287-1288, Sep. 25, 1989; bst. only provided.
Thi et al; Chem. Phys. Lett., vol. 139, #2, pp. 207-211, Aug. 21, 1987; abst. only supplied.
Oliver et al; SPIE, Int. Soc. Opt. Eng., Jul. 13, 1990, vol. 1337, pp. 81-88, Abst. Only Supplied.

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