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Proceedings Paper

Improved polarization stability of the output mean wavelength in an Er-doped superfluorescent fiber source incorporating a Faraday rotator mirror
Author(s): Dario Gregor Falquier; Michel J. F. Digonnet; H. John Shaw
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Paper Abstract

Erbium-doped superfluorescent fiber sources (SFS) in the standard forward, backward, and double-pass configurations exhibit significant dependencies of the output mean wavelength on the pump state of polarization. This is due largely to polarization-dependent gain (PDG) and gives rise to long-term drifts of the source output mean wavelength through changes in the fiber birefringence. By replacing the mirror in a double- pass source with a Faraday rotator mirror (FRM), the magnitude of the SFS mean wavelength variations due to pump polarization changes is reduced by a factor of 5 - 40, depending on source design parameters. Simulation results as well as experimental demonstration of the Faraday double-pass SFS are discussed in this paper. We measured 10 parts per million for the polarization-related mean-wavelength variations in this source, approaching the requirement for high-accuracy fiber gyros.

Paper Details

Date Published: 26 November 1999
PDF: 6 pages
Proc. SPIE 3847, Optical Devices for Fiber Communication, (26 November 1999); doi: 10.1117/12.371255
Show Author Affiliations
Dario Gregor Falquier, Stanford Univ. (United States)
Michel J. F. Digonnet, Stanford Univ. (United States)
H. John Shaw, Stanford Univ. (United States)

Published in SPIE Proceedings Vol. 3847:
Optical Devices for Fiber Communication
Michel J. F. Digonnet, Editor(s)

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