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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 10 — May. 20, 2013
  • pp: 11763–11768

Phase-matching spectral phase measurement and domain period reconstruction of aperiodic quasi-phase matched gratings by nonlinear spectral interferometry

Chia-Lun Tsai, Ming-Chi Chen, Jui-Yu Lai, Dong-Yi Wu, and Shang-Da Yang  »View Author Affiliations

Optics Express, Vol. 21, Issue 10, pp. 11763-11768 (2013)

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We experimentally measured the phase-matching spectral phases of aperiodic quasi-phase matched gratings for the first time (to the best of our knowledge) by nonlinear spectral interferometry. The retrieved information is useful in determining the temporal shape of the nonlinearly converted ultrafast signal and reconstructing the slowly-varying domain period distribution. The method is nondestructive, fast, sensitive, accurate, and applicable to different nonlinear materials. Compared to taking microscopic images of the etched crystal surface, our method can directly measure the domain period distribution in the crystal interior and is free of the artificial random duty period error due to image concatenation.

© 2013 OSA

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(230.4320) Optical devices : Nonlinear optical devices

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: March 14, 2013
Revised Manuscript: May 1, 2013
Manuscript Accepted: May 2, 2013
Published: May 7, 2013

Chia-Lun Tsai, Ming-Chi Chen, Jui-Yu Lai, Dong-Yi Wu, and Shang-Da Yang, "Phase-matching spectral phase measurement and domain period reconstruction of aperiodic quasi-phase matched gratings by nonlinear spectral interferometry," Opt. Express 21, 11763-11768 (2013)

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