Theoretical analysis of third order interferometric autocorrelation signals for enhanced sensitivity towards pulse chirp and asymmetry

In this paper, we report theoretical analysis of third order interferometric autocorrelation to achieve enhanced sensitivity towards pulse chirp and asymmetry. The analysis is based on interferometric correlative envelope (ICE) functions and ICE difference signals derived from interferometric autoco...

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Bibliographic Details
Published in:Optics communications 2011-11, Vol.284 (23), p.5466-5471
Main Authors: Sharma, P.K., Pandey, S.L.
Format: Article
Language:English
Subjects:
Asymmetry
Autocorrelation
Chirp
Correlation analysis
Envelopes
Interferometric correlation measurement
Lasers
Ultrafast optics
Ultrashort laser pulses
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Summary:In this paper, we report theoretical analysis of third order interferometric autocorrelation to achieve enhanced sensitivity towards pulse chirp and asymmetry. The analysis is based on interferometric correlative envelope (ICE) functions and ICE difference signals derived from interferometric autocorrelation signals. The third order ICE signals are compared with second order ICE signals obtained from a second order interferometric autocorrelation signals. It is shown that one out of six third order ICED signals may be used to obtain simultaneous detection and measurement of pulse chirp as well as pulse asymmetry of the chirped ultrashort laser pulse. This is in contrast to use of two out of three second order ICED signals for simultaneous detection of pulse chirp and asymmetry.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2011.07.065