Controllable integrated optical directional coupler

Details Controllable integrated optical directional coupler Controllable integrated optical directional coupler

1991-08-14

1992-10-20

Lee, John D.

Optical waveguides

With optical coupler

Particular coupling structure

385131, G02B 610, G02F 1015

Patent

active

051577488

ABSTRACT:
An integrated optical directional coupler is formed of two strip waveguides integrated on a substrate. A strip waveguide section in a coupling section of the directional coupler is designed as a controllable strip waveguide. The strip waveguides outside of this section are passive strip waveguides. In order to guarantee a largely polarization-dependent function of this coupler and of an optical switch realized therewith, the passive waveguides comprise a defined, different strip waveguide structure than the controllable strip waveguide.

REFERENCES:
patent: 4492425 (1985-01-01), Kersten et al.
patent: 5004447 (1991-04-01), Soref

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