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Proceedings Paper

Estimation of random duty-cycle error in periodically poled lithium niobate by simple diffraction experiment
Author(s): Prashant Povel Dwivedi; Hee Joo Choi; Byoung Joo Kim; Myoungsik Cha
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Paper 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.

Paper Details

Date Published: 20 February 2014
PDF: 8 pages
Proc. SPIE 8964, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIII, 896418 (20 February 2014); doi: 10.1117/12.2039246
Show Author Affiliations
Prashant Povel Dwivedi, Pusan National Univ. (Korea, Republic of)
Hee Joo Choi, Pusan National Univ. (Korea, Republic of)
Byoung Joo Kim, Pusan National Univ. (Korea, Republic of)
Myoungsik Cha, Pusan National Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 8964:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIII
Konstantin L. Vodopyanov, Editor(s)

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