Bistable optical photorefractive crystal device

Details Bistable optical photorefractive crystal device Bistable optical photorefractive crystal device

1987-12-08

1989-10-31

LaRoche, Eugene R.

G02F 101

Patent

active

048773123

ABSTRACT:
An optical bistable photorefractive crystal device is provided in which a photorefractive crystal disposed between two mirrors is uniformly illuminated by a light beam, a signal beam being focused on a given portion of the crystal to cause bistable switching of this portion inside the crystal.

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patent: 4573767 (1986-03-01), Jewell
patent: 4585301 (1986-04-01), Bialkowski
Tarng et al., "External off and on switching of a bistable optical device", Applied Physics Letters, 40(3), Feb. 1, 1982, pp. 205-207.
Applied Physics Letters, vol. 44, No. 2, 15 Jan. 1984, pp. 172-174, American Institute of Physics, New York, US: J. L. Jewell et al: "Use of a Single nonlinear Fabry-Perot etalon as optical logic gates", p. 182.
IBM Technical Disclosure Bulletin, vol. 9, No. 12, May 1967, p. 1759, New York, US; R. W. Landauer: "Optical traveling-wave amplifier".
Revue De Physique Appliquee, vol. 19, No. 2, Feb. 1984, pp. 77-80, Orsay, FR; S. Laval: "La bistabilite optique", p. 80.
Applied Optics, vol. 25, No. 10, May 1986, pp. 1579, 1585, The Optical Society of America, New York, US; A. C. Walker: "Application of bistable optical logic gate arrays to all-optical digital parallel processing", pp. 1579-1580.
IEEE Journal of Quantum Electronics, vol. QE-21, No. 9, Sep. 1985, pp. 1348-1351, IEEE, New York, US: R. S. Jameson et al.: "Logic operations using a bistable etalon with two control beams", p. 1350.

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