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Simultaneous phase matching and internal interference of two second-order nonlinear parametric processes

Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.14/8115

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Title: Simultaneous phase matching and internal interference of two second-order nonlinear parametric processes
Related: Optics express, Vol. 14, Issue 24, p.11756-11765
DOI: 10.1364/OE.14.011756
Publisher: Optical Society of America
Date: 2006
Author/Creator: Johnston, Benjamin F
Author/Creator: Dekker, Peter
Author/Creator: Withford, Michael J
Author/Creator: Saltiel, Solomon M
Author/Creator: Kivshar, Yuri S
Description: We demonstrate the simultaneous generation and internal interference of two second-order parametric processes in a single nonlinear quadratic crystal. The two-frequency doubling processes are Type 0 (two extraordinary fundamental waves generate an extraordinary second-harmonic wave) and Type I (two ordinary fundamental waves generate an extraordinary second-harmonic wave) parametric interactions. The phase-matching conditions for both processes are satisfied in a single periodically poled grating in LiNbO3 using quasi-phase-matching (QPM) vectors with different orders. We observe an interference of two processes, and compare the results with the theoretical analysis. We suggest several applications of this effect such as polarization-independent frequency doubling and a method for stabilizing the level of the generated second-harmonic signal.
Description: 10 page(s)
Subject Keyword: nonlinear optics
Subject Keyword: optical devices
Resource Type: journal article
Organisation: Macquarie University. Dept. of Physics
Organisation: Macquarie University. Centre for Lasers and Applications

Identifier: http://hdl.handle.net/1959.14/8115
Identifier: ISSN:1094-4087
Identifier: mq-rm-2006002816
Language: eng
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