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Proceedings Paper

Polarization dependence of the mean wavelength of Er-doped superfluorescent fiber sources
Author(s): Dario Gregor Falquier; Michel J. F. Digonnet; Gordon S. Kino; H. John Shaw
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Paper Abstract

Changes in the pump polarization state are shown to have a large effect on the mean wavelength of erbium-doped superfluorescent fiber sources due to polarization-dependent gain. This effect causes long-term drift as the fiber birefringence in the source changes over time. By depolarizing the pump, this effect is reduced to under 3 ppm, the noise level of our instrument. A second depolarizer is used to compensate for polarization-dependent transmission of the other source components, namely the WDM coupler and the isolator. The resulting source is insensitive to drifts in the fiber birefringence due to environmental effects.

Paper Details

Date Published: 21 December 1998
PDF: 4 pages
Proc. SPIE 3542, Doped Fiber Devices II, (21 December 1998); doi: 10.1117/12.333771
Show Author Affiliations
Dario Gregor Falquier, Stanford Univ. (United States)
Michel J. F. Digonnet, Stanford Univ. (United States)
Gordon S. Kino, Stanford Univ. (United States)
H. John Shaw, Stanford Univ. (United States)


Published in SPIE Proceedings Vol. 3542:
Doped Fiber Devices II
Michel J. F. Digonnet; Francois Ouellette, Editor(s)

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