Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
68 (1990), S. 1450-1455
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Multibeam coupling in a Kerr medium with a finite response time is studied theoretically. Two different frequency spectra are considered. In the first case the modes are equally spaced and in the second the frequency separations are all unequal. In either case, as the beams propagate, both spectra eventually reach a saturation characterized by a cascading of energy into the lowest frequency if the Kerr constant is positive. The direction of energy transfer is reversed if the Kerr constant is negative. Representative examples are given for a multimode, equally spaced, laser source and for an unequally spaced source. For the former case, we give the optimum medium response time for conversion of a Gaussian spectra. If the frequencies are unequally spaced we present general conditions which have to be satisfied and give two examples.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.346672
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