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

1991-12-30

1993-06-22

Ullah, Akm E.

Optical waveguides

Integrated optical circuit

G02B 610

Patent

active

052221636

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.
Applied Physics Letters, vol. 52, No. 10, Mar. 7, 1988, pp. 767-769; J. Salzman et al.: "Cross coupled cavity semiconductor laser".
Optical Fiber Communication Conference and 6th Int. Conference on Integrated Optics and Optical Fiber Communication, THC3, p. 198; H. Inoue et al. "Optical amplification by monolithically integrated DFB lasers".

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