Abstract

The theory of steady states in a nonlinear swept-gain amplifier is considered. The amplifier is transit-time broadened, and the gain has a delayed boundary, i.e., the gain pulse moves at a velocity less than the velocity of light. The problem is a close analog to nonlinear propagation in the Stanford free-electron laser (FEL). The results are in qualitative agreement with both theory and experiment in the FEL.

© 1982 Optical Society of America

Analytic solution of a laser amplifier with a delayed swept-gain boundary

Frederic A. Hopf and Janos Bergou
Opt. Lett. 7(9) 411-413 (1982)

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