A comparison of the theoretical predictions of a multimode broadband model with the experimentally measured gain enhancement in a Raman amplifier is presented. The results show that the multimode theory with fixed and totally random phases is in agreement with the data obtained from an excimer-laser-pumped Raman amplifier. Additionally, this theory indicates that the correlated gain can be larger than the gain for a monochromatic laser, as might be expected for a model with amplitude modulation.
© 1988 Optical Society of America
Original Manuscript: February 17, 1988
Manuscript Accepted: February 29, 1988
Published: August 1, 1988
J. Rifkin, M. L. Bernt, D. C. MacPherson, and J. L. Carlsten, "Gain enhancement in a XeCl-pumped Raman amplifier," J. Opt. Soc. Am. B 5, 1607-1612 (1988)