Integrated optical XY coupler

Details Integrated optical XY coupler Integrated optical XY coupler

1995-05-04

1997-05-06

Healy, Brian

Optical waveguides

With optical coupler

Particular coupling structure

385 2, 385 3, 385 14, 385 15, 385 16, 385 42, 385 40, 385131, 385132, G02B 626

Patent

active

056279299

ABSTRACT:
An integrated optical XY coupler having two converging input waveguide arms meeting in a central section and a central output waveguide arm and two diverging flanking output waveguide arms emanating from the central section. In-phase light from the input arms constructively interfers in the central section to produce a single mode output in the central output arm with the rest of the light being collected in the flanking output arms. Crosstalk between devices on a substrate is minimized by this collection of the out-of-phase light by the flanking output arms of the XY coupler.

REFERENCES:
patent: 3920314 (1975-11-01), Yajima
patent: 4674827 (1987-06-01), Izutsu et al.
patent: 4747654 (1988-05-01), Yi-Yan
patent: 4846540 (1989-07-01), Kapon
patent: 4952018 (1990-08-01), Young et al.
patent: 5224193 (1993-06-01), Risk

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