Semiconductor optical switch and array of the same

Details Semiconductor optical switch and array of the same Semiconductor optical switch and array of the same

1990-01-12

1991-09-03

Ullah, Akm

Optical waveguides

With optical coupler

Switch

G02F 115

Patent

active

050447459

ABSTRACT:
A semiconductor optical device and an optical device array is provided which can be used in an optical logic circuit, photonic switching OEIC, etc. The device includes a light amplifying arrangement provided on a bypass waveguide that connects a plurality of optical waveguides, thereby enabling improvement of the light crosstalk and the light propagation loss. In particular, by virtue of providing a light amplifying means in addition to the light deflecting portion, noise components are not amplified, and, therefore, the SN ratio is markedly increased.

REFERENCES:
patent: 4618210 (1986-10-01), Kondo
patent: 4693546 (1987-09-01), Lorenzo et al.
patent: 4717228 (1988-01-01), Thylen
patent: 4795225 (1989-01-01), Sakai et al.
patent: 4874216 (1989-10-01), Utaka et al.
patent: 4950044 (1990-08-01), Makita

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