Opto-electric device

Details Opto-electric device Opto-electric device

1994-08-25

1998-02-17

Ullah, Akm E.

Optical waveguides

Planar optical waveguide

G02B 610

Patent

active

057199817

ABSTRACT:
An optical integrated circuit for preventing unnecessary optical waves from outside or scattered in a waveguide. The optical integrated circuit has an substrate, a wave guide which has a core layer and at least a clad layer formed on the substrate, in which an optical wave is guided and transmitted, and a cover layer of which material has a high optical wave absorption ratio, which is formed on the waveguide partially or entirely.

REFERENCES:
patent: 4693543 (1987-09-01), Matsumura et al.
patent: 4755015 (1988-07-01), Uno et al.
patent: 4881235 (1989-11-01), Chinone et al.
patent: 4932743 (1990-06-01), Isobe et al.
patent: 5091982 (1992-02-01), Yokomori et al.
patent: 5157746 (1992-10-01), Tobita et al.
Teubner-Texte zur Physik, vol. 27, pp. 220-247, (1993), "Intergrated Optics And Micro-Optics with Polymers" (No Month).

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