期刊
OPTICS EXPRESS
卷 23, 期 11, 页码 14903-14912出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.23.014903
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资金
- Australian Research Council
- Polish Ministry of Science and Higher Education for Mobility Plus scholarship
This work represents experimental demonstration of nonlinear diffraction in an orientation-patterned semiconducting material. By employing a new transverse geometry of interaction, three types of second-order nonlinear diffraction have been identified according to different configurations of quasi-phase matching conditions. Specifically, nonlinear Cerenkov diffraction is defined by the longitudinal quasi-phase matching condition, nonlinear Raman-Nath diffraction satisfies only the transverse quasi-phase matching condition, and nonlinear Bragg diffraction fulfils the full vectorial quasi-phase matching conditions. The study extends the concept of transverse nonlinear parametric interaction toward infrared frequency conversion in semiconductors. It also offers an effective nondestructive method to visualise and diagnose variations of second-order nonlinear coefficients inside semiconductors. (C) 2015 Optical Society of America
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