Polarization dependence of the mean wavelength of Er-doped superfluorescent fiber sources

Dario Gregor Falquier; Michel J. F. Digonnet; Gordon S. Kino; H. John Shaw

doi:10.1117/12.333771

21 December 1998 Polarization dependence of the mean wavelength of Er-doped superfluorescent fiber sources

Dario Gregor Falquier, Michel J. F. Digonnet, Gordon S. Kino, H. John Shaw

Author Affiliations +

Proceedings Volume 3542, Doped Fiber Devices II; (1998) https://doi.org/10.1117/12.333771
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

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.

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Dario Gregor Falquier, Dario Gregor Falquier, Michel J. F. Digonnet, Michel J. F. Digonnet, Gordon S. Kino, Gordon S. Kino, H. John Shaw, H. John Shaw, "Polarization dependence of the mean wavelength of Er-doped superfluorescent fiber sources", Proc. SPIE 3542, Doped Fiber Devices II, (21 December 1998); doi: 10.1117/12.333771; https://doi.org/10.1117/12.333771

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