Low cost, easy to build precision wavelength locker

Details Low cost, easy to build precision wavelength locker Low cost, easy to build precision wavelength locker

1997-06-24

1999-10-05

Lee, John D.

Optical waveguides

With optical coupler

Particular coupling function

385 43, 385 45, G02B 626

Patent

active

059636866

ABSTRACT:
A system and method providing a wavelength locker is disclosed. The method and system provide a high uniformity, low polarization sensitivity optical coupler. The optical coupler further comprises a first outer fiber and a second outer fiber. The first outer fiber and the second outer fiber each have a first portion. The method and system further provide a filter coupled to the first portion of the first outer fiber. The method and system further provide a first mechanism coupled to the filter for detecting intensity and providing a first resultant. The method and system further provide a second mechanism coupled to the second portion of the second outer fiber. The second mechanism detects intensity and provides a second resultant.

REFERENCES:
patent: 5268979 (1993-12-01), Weidman
patent: 5319435 (1994-06-01), Melle et al.
patent: 5459804 (1995-10-01), Stowe
patent: 5642448 (1997-06-01), Pan et al.

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