Method and apparatus for improving the instability of a laser

Details Method and apparatus for improving the instability of a laser Method and apparatus for improving the instability of a laser

1996-02-29

1998-03-03

Healy, Brian

Coherent light generators

Particular resonant cavity

Specified cavity component

372 6, 372 21, 372 22, 372102, 385 37, 356352, H01S 308, G02B 634, G01B 902

Patent

active

057243778

ABSTRACT:
A method of reducing undulation in the L vs. I curve of a laser which uses a fiber grating is presented. The spectral width of the fiber grating is made larger than the Fabry-Perot spacing of the laser cavity. As a result, as the laser shifts between harmonics due to laser functioning (e.g., laser drive current, laser aging, temperature change, or mechanical stress), the fiber grating is able to respond linearly because of a large spectral width.

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patent: 5570440 (1996-10-01), Mizrahi
S.Y. Huang, "Optical-feedback-induced degradations of the spectrum and the kink current of 980-nm pump lasers", Cleo'95 Technical Digest, pp. 76-77, (1995).

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