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Proceedings Paper

Spectral phase aberration and its influence on pulse compression in an actively modulated ultrafast laser system
Author(s): Ke Wang; Kai Wang; Ping Qiu
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Paper Abstract

In actively modulated laser systems such as the time-lens source, quadratic temporal phase modulation was naturally considered as the “ideal” modulation. However, it is unknown that whether a quadratic temporal phase modulation (equivalently, a linear chirp) translates into a quadratic spectral phase modulation, which can be easily eliminated using compressors. Here we study this phase transfer both analytically and numerically. Our results indicate that non-quadratic spectral phase aberration arises even if the temporal phase modulation is quadratic. Consequently, there is observable difference between the compressed pulses with a flat spectral phase and with quadratic spectral phase compensation only. However, as quadratic temporal phase modulation increases, non-quadratic spectral phase modulation decreases, and pulse compression with quadratic spectral phase tends to that with a flat spectral phase.

Paper Details

Date Published: 16 March 2015
PDF: 6 pages
Proc. SPIE 9357, Physics and Simulation of Optoelectronic Devices XXIII, 935705 (16 March 2015); doi: 10.1117/12.2074993
Show Author Affiliations
Ke Wang, Shenzhen Univ. (China)
Kai Wang, Shenzhen Univ. (China)
Ping Qiu, Shenzhen Univ (China)

Published in SPIE Proceedings Vol. 9357:
Physics and Simulation of Optoelectronic Devices XXIII
Bernd Witzigmann; Marek Osiński; Fritz Henneberger; Yasuhiko Arakawa, Editor(s)

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