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Proceedings Paper

Energy exchange between orthogonally polarized waves by cascaded quasi-phase-matched processes
Author(s): B. F. Johnston; P. Dekker; S. M. Saltiel; M. J. Withford; Y. S. Kivshar
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Paper Abstract

By identifying appropriate quasi-phase-matching (QPM) conditions in z-cut congruent lithium niobate, we demonstrate simultaneous QPM of type-I (ooe) and higher order type-0 (eee) second-harmonic-generation, which share a common second harmonic wave. We demonstrate this experimentally at 1064nm, and show that cascading between these processes occurs. The cascading can result in energy exchange between the cross-polarized fundamentals, indicative of an equivalent 3rd order process. The nonlinear phase shifts and transfer functions resulting from this cascading are explored numerically.

Paper Details

Date Published: 8 January 2008
PDF: 7 pages
Proc. SPIE 6801, Photonics: Design, Technology, and Packaging III, 680116 (8 January 2008); doi: 10.1117/12.759753
Show Author Affiliations
B. F. Johnston, Macquarie Univ. (Australia)
P. Dekker, Macquarie Univ. (Australia)
S. M. Saltiel, Univ. of Sofia (Bulgaria)
M. J. Withford, Macquarie Univ. (Australia)
Y. S. Kivshar, Australian National Univ. (Australia)

Published in SPIE Proceedings Vol. 6801:
Photonics: Design, Technology, and Packaging III
Wieslaw Z. Krolikowski; Costas M. Soukoulis; Ping Koy Lam; Timothy J. Davis; Shanhui Fan; Yuri S. Kivshar, Editor(s)

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