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Proceedings Paper

Phase matching in the presence of feedback: higher-order terms and enhancement of second-harmonic generation
Author(s): Marco Centini; Giuseppe D'Aguanno; Letizia Sciscione; Concita Sibilia; Mario Bertolotti; Michael Scalora; Mark J Bloemer
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Paper Abstract

We show that inside a multi-layer dielectric stack, consideration of higher-order, fast-oscillating interference terms between counter-propagating waves can dramatically change the dynamics of second harmonic generation, and thus lead to an unusual result: field confinement and overlap can be far better optimized, and conversion efficiencies further enhanced, in the presence of a phase mismatch. One may therefore conclude that phase matching is not always a necessary condition to provide optimized nonlinear frequency conversion efficiency.

Paper Details

Date Published: 9 July 2004
PDF: 5 pages
Proc. SPIE 5360, Photonic Crystal Materials and Devices II, (9 July 2004); doi: 10.1117/12.527930
Show Author Affiliations
Marco Centini, INFM, Univ. degli Studi di Roma La Sapienza (Italy)
U.S. Army Aviation and Missile Command (USA) (United States)
Giuseppe D'Aguanno, INFM, Univ. degli Studi di Roma La Sapienza (Italy)
U.S. Army Aviation and Missile Command (USA) (United States)
Letizia Sciscione, INFM, Univ. degli Studi di Roma La Sapienza (Italy)
Concita Sibilia, INFM, Univ. degli Studi di Roma La Sapienza (Italy)
Mario Bertolotti, INFM, Univ. degli Studi di Roma La Sapienza (Italy)
Michael Scalora, U.S. Army Aviation and Missile Command (United States)
Mark J Bloemer, U.S. Army Aviation and Missile Command (United States)


Published in SPIE Proceedings Vol. 5360:
Photonic Crystal Materials and Devices II
Ali Adibi; Axel Scherer; Shawn-Yu Lin, Editor(s)

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