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Impact of pump phase modulation on the gain of fiber optical parametric amplifier

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7 Author(s)
Mussot, A. ; Lab. d''Opt. P. M. Duffieux, U.M.R. CNRS/Univ. de Franche-Comte, Besancon, France ; Durecu-Legrand, A. ; Lantz, E. ; Simonneau, C.
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In practice, fiber optical parametric amplifiers are generally driven by a phase-modulated pump wave to avoid stimulated Brillouin back-scattering. We show both analytically and numerically that the phase modulation of the pump can induce strong parametric gain modulation and that this detrimental effect depends both on the rise-fall time of the phase modulator and on the fiber dispersion slope.

Published in:

Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 5 )