Simultaneous measurement of spontaneous and stimulated Raman scattering in optical fibers

Eric Saulnier; Nicolas Godbout; Suzanne Lacroix

doi:10.1117/12.567447

20 December 2004 Simultaneous measurement of spontaneous and stimulated Raman scattering in optical fibers

Eric Saulnier, Nicolas Godbout, Suzanne Lacroix

Proceedings Volume 5577, Photonics North 2004: Optical Components and Devices; (2004) https://doi.org/10.1117/12.567447
Event: Photonics North, 2004, Ottawa, Ontario, Canada

Abstract

The Raman gain spectrum of Phosphorous-doped optical fibers (PDF) is known to exhibit, in addition to the pure silica response, a strong 40 THz frequency-shifted Stokes peak relative to the pump. This large shift reduces the number of cascades required in Raman lasers using nested cavities. We report a measurement of the Raman gain coefficient for a PDF. Our measurement scheme has the advantage of requiring only a pump source and no signal. We developed a model taking into account both contributions from spontaneous and stimulated Raman scattering. Raman spectra gathered at several pump powers are fitted against this enhanced theoretical model. The experimental values of the Raman gain coefficient obtained are in agreement with published results.

Citation Download Citation

Eric Saulnier, Nicolas Godbout, and Suzanne Lacroix "Simultaneous measurement of spontaneous and stimulated Raman scattering in optical fibers", Proc. SPIE 5577, Photonics North 2004: Optical Components and Devices, (20 December 2004); https://doi.org/10.1117/12.567447

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