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 language | English |
|---|---|
| Pages (from-to) | 7718-7722 |
| Number of pages | 5 |
| Journal | Applied Optics |
| Volume | 45 |
| Issue number | 29 |
| DOIs | |
| Publication status | Published - 2006 Oct 10 |
All Science Journal Classification (ASJC) codes
- Atomic and Molecular Physics, and Optics
- Engineering (miscellaneous)
- Electrical and Electronic Engineering
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Cite this
Sang, H. C., Young, J. K., Ho, S. S., & Dug, Y. K. (2006). Complete chirp analysis of a gain-switched pulse using an interferometric two-photon absorption autocorrelation. Applied Optics, 45(29), 7718-7722. https://doi.org/10.1364/AO.45.007718