Optical head used in optical information processor

Details Optical head used in optical information processor Optical head used in optical information processor

1990-02-16

1991-09-03

Lee, John D.

Optical waveguides

Directional optical modulation within an optical waveguide

385 14, 385 37, 369 44, G02B 634

Patent

active

050447181

ABSTRACT:
An optical head having a plane waveguide for propagating light emitted from a light source, a grating coupler disposed midway of said plane waveguide for converting light emitted from said light source into light which is propagated in said plane waveguide, and a diffraction grating which is different from said grating coupler for diffracting light emitted from said light source before the light is incident to above-mentioned grating coupler.

REFERENCES:
patent: 4718052 (1988-01-01), Kondo et al.
patent: 4737946 (1988-04-01), Yamashita et al.
patent: 4758062 (1988-07-01), Sunagawa et al.
patent: 4801184 (1989-01-01), Revelli
patent: 4885732 (1989-12-01), Sunagawa
patent: 4887255 (1989-12-01), Handa et al.
patent: 4971414 (1990-11-01), Funato et al.
Nishihara, "Recent Progress in Optical Integrated Circuits",Anritsu News, vol. 7, No. 36, Mar. 1988, pp. 2-8.

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