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

1993-03-22

1994-02-15

Ullah, Akm E.

Optical waveguides

Integrated optical circuit

G02B 610

Patent

active

052874222

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: 4740050 (1988-04-01), Husain
patent: 4740951 (1988-04-01), Lizet et al.
patent: 4955718 (1990-09-01), Michel
patent: 4997245 (1991-03-01), Dupuy et al.
patent: 5109444 (1992-04-01), Handa et al.
patent: 5222163 (1993-06-01), Handa et al.
"Cross Coupled Cavity Semiconductor laser" By Salzman et al. Applied Physics Letters, vol. 52, No. 10, Mar. 7, 1981, pp. 767-769.
"Semiconductor Interferometric Laser" By I. S. Fattah et al. Applied Physics Letters, vol. 41, No. 4, Jul. 5, 1982, pp. 112-114.

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