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Production of chirp in resonant and non-resonant nonlinear optical media and its compensation

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Abstract

In the generation and amplification of ultrashort light pulses and in many applications (e.g., in spectroscopy, measuring techniques, signal processing, and signal transmission) frequency chirp plays an essential role, and the aim of the application decides whether chirp-free or chirped light pulses are required. Therefore, the production of chirp as well as its precise control and compensation becomes important in laser physics and quantum electronics.1 Until now control by electronic means via electrooptic switching is restricted to rise times above 1 ps. In the subpicosecond and femtosecond time domains, frequency chirp can be produced in linear optical devices and in nonlinear optical materials, where only in the second case spectral broadening, which provides the possibility of subsequent pulse compression, and interaction between several light puises arise. This paper deals with the comparison between chirp production and control in nonresonant and quaslresonant media.

© 1986 Optical Society of America

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