2006
DOI: 10.1364/ao.45.007718
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Complete chirp analysis of a gain-switched pulse using an interferometric two-photon absorption autocorrelation

Abstract: We propose a simple but powerful scheme for the complete analysis of the frequency chirp of a gainswitched 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 exper… Show more

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Cited by 3 publications
(2 citation statements)
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“…Bunches of = 1000 Gaussian pulses were generated according to a few common distributions and were used to compute the values of energies . The energy transfer function of a Gaussian pulse was then computed according to (1) and (5), in function of peak power. Equations (6) were then solved numerically in the same way as previously (a polynomial fit of 1 was used to improve computational speed).…”
Section: Generalization Of the Technique To Any Pulse Profilementioning
confidence: 99%
See 1 more Smart Citation
“…Bunches of = 1000 Gaussian pulses were generated according to a few common distributions and were used to compute the values of energies . The energy transfer function of a Gaussian pulse was then computed according to (1) and (5), in function of peak power. Equations (6) were then solved numerically in the same way as previously (a polynomial fit of 1 was used to improve computational speed).…”
Section: Generalization Of the Technique To Any Pulse Profilementioning
confidence: 99%
“…Although this technique is able to estimate the duration of pulses down to the few fs range, it provides little additional information. The autocorrelation however has been adapted and extended and several techniques were developed that allow complete pulse profile characterization (amplitude and phase of the electric field) [2][3][4][5][6]. One noticeable example is the FROG (Frequency Resolved Optical Gating) technique [2], which combines optical autocorrelation with spectral analysis.…”
Section: Introductionmentioning
confidence: 99%