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• Takeda, T
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Appl. Sci. 2012, 2(2), 549-557; doi:10.3390/app2020549

Article

Effects of Nonlinear Chirp on the Self-Phase Modulation of Ultrashort Optical Pulses

Akira Suda*  and Takanori Takeda

Department of Physics, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan

* Author to whom correspondence should be addressed.

Received: 30 April 2012; in revised form: 28 May 2012 / Accepted: 29 May 2012 / Published: 4 June 2012

(This article belongs to the Special Issue Feature Papers)

Download PDF Full-Text [309 KB, uploaded 4 June 2012 10:56 CEST]

Abstract: In this article, we analytically investigate the spectral broadening by self-phase modulation of strongly chirped optical pulses. The dispersion due to the nonlinear optical process is expressed as functions of a linear and a nonlinear initial chirp. As a result, it is found that the third-order dispersion strongly depends on the initial linear chirp and the nonlinearity for self-phase modulation.

Keywords: ultrashort optical pulse; self-phase modulation; nonlinear chirp

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