Abstract
We recently presented [1] the following “master equation” [2] applicable to any nonlinear cavity with linear properties describable by an ABCD matrix and with one nonlinear interaction per round trip: The intra-cavity field E is a function of fast (t) and slow (T) times, as well as , the transverse position vector. ∇⊥ is the transverse gradient operator, and cosψ = S. Here S = (A + D)/2. We have included typical operators for gain and dispersion [2], and so the round-trip time TR is that based on the group velocity. To describe KLM, we specialize the nonlinear function N(E) to the Kerr form N(E) = iη|E|2E, which requires that the ABCD elements be calculated at the Kerr lens.
© 1996 Optical Society of America
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