Optical branching device

Details Optical branching device Optical branching device

1994-11-01

1996-12-17

Ngo, John

Optical waveguides

With optical coupler

Particular coupling structure

385 14, 385 43, 385132, 385 50, G02B 626

Patent

active

055862098

ABSTRACT:
An optical branching device comprising: a substrate; a first core member formed on the substrate, having a first edge face; a second core member formed on the substrate, tapering toward the first edge face of the first core member, having a second edge face facing the first edge face at a given space; and a third core member formed on the substrate, tapering toward the first edge face of the first core member, having a third edge face facing the first edge face at a given space.

REFERENCES:
patent: 4991926 (1991-02-01), Pavlath
patent: 5146518 (1992-09-01), Mak et al.
Patent Abstracts of Japan, vol. 4, No. 163 (P-36) (645) Sep. 13, 1980 & JP-A-55 110 205 (Ricoh).
Patent Abstracts of Japan, vol. 6, No. 262 (P-164) Sep. 28, 1982 & JP-A-57 157 207 (KDD).
Zirngibl et al, "Efficient 1.times.16 Optical Power Splitter Based on InP", Electronics Letters, vol. 28, No. 13, Jun. 18, 1992, pp. 1212-1213.
Rolland et al, "Optimization of Strongly Guiding Semiconductor Rib Waveguide Y-Junctions", IEEE Photonics Technology Letters, vol. 2, No. 6, Jun. 1990, New York, US, pp. 404-406.

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