Abstract

A new technique for the fabrication of freestanding poled polymer films that uses a metallic film as the lifting-off layer is reported. This technique is used to make low-transmission-loss bulk periodic synthetic-crystals structures that satisfy a quasi-phase-matching condition for second-harmonic generation. Efficiency of the order of 10⁻²% is obtained for a thickness of 150 μm. The theoretical basis for determining the optimum phase-matching angle to maximize the second-harmonic conversion efficiency is discussed.

© 1994 Optical Society of America

Phase-matched second-harmonic generation in a four-layered polymeric waveguide

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Opt. Express 18(14) 14717-14723 (2010)