Optical integrated circuit having light detector

Details Optical integrated circuit having light detector Optical integrated circuit having light detector

1993-08-19

1995-04-25

Bovernick, Rodney B.

Optical waveguides

Integrated optical circuit

385 10, 385 37, 385 40, G02B 612

Patent

active

054106222

ABSTRACT:
An optical integrated circuit is disclosed. The optical integrated circuit includes: a dielectric waveguide having at least a waveguide layer for transmitting light in a first direction; a first reflector for reflecting the light in a substantially opposite direction to the first direction, the first reflector being formed on an end face of the waveguide layer; a grating coupler having a grating for diffracting at least a part of the light in a second direction which is different from the first direction, the grating coupler being formed at a surface of the waveguide layer; and a light detector for detecting the diffracted light, the light detector being optically connected with the dielectric waveguide.

REFERENCES:
patent: 4674100 (1987-06-01), Kobayashi
patent: 4942366 (1990-07-01), Toda
patent: 5070488 (1991-12-01), Fukushima et al.
patent: 5193130 (1993-03-01), Nishiwaki et al.

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