Device for wavelength-related stabilization of an optical filter

Details Device for wavelength-related stabilization of an optical filter Device for wavelength-related stabilization of an optical filter

1997-03-06

1999-04-13

Lee, John D.

Optical waveguides

Integrated optical circuit

385 27, 385 37, G02B 6293

Patent

active

058945334

ABSTRACT:
A device for the wavelength-related stabilization of an optical filter, particularly a wavelength-division multiplexer/demultiplexer, comprises a Bragg grating arranged in the proximity of the filter and a waveguide for supplying a fixed optical reference wavelength to the grating. The grating is regulated to either a maximum transmission and minimum reflection or a minimum transmission and maximum reflection of the reference wavelength by controlling the temperature of the grating and of the filter.

REFERENCES:
patent: 5581642 (1996-12-01), Deacon et al.
patent: 5629992 (1997-05-01), Amersfoort et al.
patent: 5691989 (1997-11-01), Rakuljic et al.

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