Estimation of random duty-cycle error in periodically poled lithium niobate by simple diffraction experiment

Prashant Povel Dwivedi; Hee Joo Choi; Byoung Joo Kim; Myoungsik Cha

doi:10.1117/12.2039246

20 February 2014 Estimation of random duty-cycle error in periodically poled lithium niobate by simple diffraction experiment

Prashant Povel Dwivedi, Hee Joo Choi, Byoung Joo Kim, Myoungsik Cha

Author Affiliations +

Proceedings Volume 8964, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIII; 896418 (2014) https://doi.org/10.1117/12.2039246
Event: SPIE LASE, 2014, San Francisco, California, United States

Abstract

Random duty-cycle errors (RDE) in ferroelectric quasi-phase-matching (QPM) devices not only affect the frequency conversion efficiency, but also generate non-phase-matched background noise. Although such noise contribution can be evaluated by measuring second-harmonic generation (SHG) spectrum with tunable narrow-band lasers, the limited tuning ranges usually results in inaccurate measurement of pure noise. Instead of SHG, we took a diffraction pattern which is mathematically equivalent to the SHG spectrum, but can be obtained with greater simplicity. With our proposed method applied to periodically poled lithium niobate, RDE could be evaluated more accurately from the pure background noise measurement.

Citation Download Citation

Prashant Povel Dwivedi, Hee Joo Choi, Byoung Joo Kim, and Myoungsik Cha "Estimation of random duty-cycle error in periodically poled lithium niobate by simple diffraction experiment", Proc. SPIE 8964, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIII, 896418 (20 February 2014); https://doi.org/10.1117/12.2039246

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