✦ LIBER ✦

Numerical Liouville approach: intensity-dependent transient linear and nonlinear optical susceptibilities

✍ Scribed by Masayoshi Nakano; Kizashi Yamaguchi

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 428 KB
Volume: 234
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(95)00058-c

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✦ Synopsis

An approach to handle nonstationary and intensity-dependent linear and nonlinear optical phenomena is presented based on the numerical Liouville approach, which is a calculation method for nonlinear optical susceptibilities by solving the Liouville equation numerically. A three-state model system, which mimics the electronic states of t-octatetraene, in an intense pulsed laser is considered. Two types of pulse shapes are considered: rectangular and Gaussian. A new definition of time-and intensity-dependent transient optical susceptibility is proposed and the intensity-dependent behavior is examined in linear and THG third-order nonlinear optical processes.

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