Complete chirp analysis of a gain-switched pulse using an interferometric two-photon absorption autocorrelation

Hoon Chin Sang, Jae Kim Young, Seong Song Ho, Dug Young Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We propose a simple but powerful scheme for the complete analysis of the frequency chirp of a gain-switched optical pulse using a fringe-resolved interferometric two-photon absorption autocorrelator. A frequency chirp imposed on the gain-switched pulse from a laser diode was retrieved from both the intensity autocorrelation trace and the envelope of the second-harmonic interference fringe pattern. To verify the accuracy of the proposed phase retrieval method, we have performed an optical pulse compression experiment by using dispersion-compensating fibers with different lengths. We have obtained close agreement by less than a 1% error between the compressed pulse widths and numerically calculated pulse widths.

Original languageEnglish
Pages (from-to)7718-7722
Number of pages5
JournalApplied Optics
Volume45
Issue number29
DOIs
Publication statusPublished - 2006 Oct 10

Fingerprint

chirp
Autocorrelation
autocorrelation
Laser pulses
pulse duration
Photons
Pulse compression
pulse compression
photons
pulses
retrieval
Semiconductor lasers
envelopes
diffraction patterns
semiconductor lasers
interference
harmonics
fibers
Fibers
Experiments

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Sang, Hoon Chin ; Young, Jae Kim ; Ho, Seong Song ; Kim, Dug Young. / Complete chirp analysis of a gain-switched pulse using an interferometric two-photon absorption autocorrelation. In: Applied Optics. 2006 ; Vol. 45, No. 29. pp. 7718-7722.
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Complete chirp analysis of a gain-switched pulse using an interferometric two-photon absorption autocorrelation. / Sang, Hoon Chin; Young, Jae Kim; Ho, Seong Song; Kim, Dug Young.

In: Applied Optics, Vol. 45, No. 29, 10.10.2006, p. 7718-7722.

Research output: Contribution to journalArticle

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