Laser applications and other topics in quantum electronics

Propagation of a femtosecond laser pulse with duration of several optical oscillation periods in a medium with a quadratic nonlinearity

A. A. Akopyan, D. L. Oganesyan

Yerevan Scientific-Research Institute for Optophysical Measurements, Armenia

Abstract: It is shown that the wave equation can be solved by the method of unidirectional waves for a pulse with a duration of several oscillation periods in a medium with a quadratic nonlinearity, such as a group-3m crystal. The wave equation reduces to a system of two equations for waves with different polarisations.

PACS: 42.65.Re, 78.20.Bh, 42.25.Bs

Received: 10.06.1998

 English version: Quantum Electronics, 1998, 28:10, 929–931

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