Integrated type optical node and optical information system usin

Details Integrated type optical node and optical information system usin Integrated type optical node and optical information system usin

1991-06-25

1992-04-28

Ullah, Akm

Optical waveguides

Integrated optical circuit

385131, 372 3, G02B 610, G02F 1015

Patent

active

051094444

ABSTRACT:
This specification discloses an integrated type optical node comprising a substrate, a channel light waveguide formed on the substrate for connecting the transmission lines of an optical information system, an amplifying portion provided on the light waveguide for amplifying a light propagated through the waveguide, and a light branching-off portion provided on the light waveguide for coupling a light transmitter and/or a light receiver to the transmission lines. The specification also discloses an optical information system using such optical node.

REFERENCES:
patent: 4675518 (1987-06-01), Oimura et al.
patent: 4708423 (1987-11-01), Erman et al.
patent: 4772854 (1988-09-01), Silberberg
patent: 4795225 (1989-01-01), Sakai et al.
patent: 4799229 (1989-01-01), Miyazawa et al.
patent: 4888785 (1989-12-01), Lee
"Semiconductor Interferometric Laser", by I. S. Fattah et al., Applied Physics Letters, vol. 41, No. 4, Jul. 15, 1982, pp. 112-114.
"Cross Coupled Cavity Semiconductor Laser", by J. Salzman et al., Applied Physics Letters, vol. 52, No. 10, Mar. 7, 1988, pp. 767-769.

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