Polarization independent picosecond fiber laser
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United States of America Patent
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Sep 5, 1995
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N/A
app pub date -
Dec 9, 1993
filing date -
Dec 9, 1993
priority date (Note) -
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Abstract
A polarization insensitive fiber laser. A pair of 45 degree Faraday rotators are positioned on either end of the fiber gain source. The resulting laser is insensitive to external perturbations with respect to known entrance and exit polarization states of the laser light. Modelocking, both passive and active, is possible. Configuration wherein the fiber is a combination of polarization preserving and Erbium-doped, and a saturable absorber is included provide a self-starting, polarization insensitive modelocked laser.
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