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Proceedings Paper

Simultaneous measurement of spontaneous and stimulated Raman scattering in optical fibers
Author(s): Eric Saulnier; Nicolas Godbout; Suzanne Lacroix
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Paper 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.

Paper Details

Date Published: 20 December 2004
PDF: 8 pages
Proc. SPIE 5577, Photonics North 2004: Optical Components and Devices, (20 December 2004); doi: 10.1117/12.567447
Show Author Affiliations
Eric Saulnier, Ecole Polytechnique de Montreal (Canada)
Nicolas Godbout, Ecole Polytechnique de Montreal (Canada)
Suzanne Lacroix, Ecole Polytechnique de Montreal (Canada)

Published in SPIE Proceedings Vol. 5577:
Photonics North 2004: Optical Components and Devices
John C. Armitage; Simon Fafard; Roger A. Lessard; George A. Lampropoulos, Editor(s)

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