利用基于tir的ORQPM技术分析具有偏振旋转的电光材料中的高效DFG

IF 2.9 4区物理与天体物理 Q2 OPTICS

Journal of Nonlinear Optical Physics & Materials Pub Date : 2021-12-16 DOI:10.1142/s0218863522500011

M. Saha, S. Deb

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引用次数: 1

摘要

本文是利用基于全内反射的光学旋转准相位匹配(ORQPM)和非谐振准相位匹配技术的综合效应，在氧化钇包覆的薄矩形板掺杂铌酸锂晶体中实现高效差频产生的数值分析工作。通过射线光学分析，得到了37.2%的转换效率，对应于1570 nm的空闲波长[公式:见文]。此外，还分析了导波方法更准确、更真实的结果，其峰值转换效率为1.64%。计算机辅助模拟中还考虑了表面粗糙度、吸收、非线性反射规律等影响因素的影响，为整个研究提供了实用的理解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Analysis of highly efficient DFG in an electro-optic material exhibiting polarization rotation using TIR-based ORQPM technique

This paper is a numeric-analytical work for highly efficient difference-frequency generation (DFG) by the integrated effect of total-internal-reflection-based optical rotation quasi-phase-matching (ORQPM) and nonresonant quasi-phase-matching techniques in a thin yttrium oxide-coated rectangular slab of magnesium oxide-doped lithium niobate crystal. The conversion efficiency of 37.2% has been obtained by ray-optics analysis, corresponding to an idler wavelength of 1570[Formula: see text]nm. Moreover, the guided-wave approach has also been analyzed for more accurate and realistic outcomes, yielding a peak conversion efficiency of 1.64%. The impact of the influencing factors like surface roughness, absorption, and nonlinear law of reflection has also been incorporated in the computer-aided simulation for providing a pragmatic understanding of the whole study.

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来源期刊

Journal of Nonlinear Optical Physics & Materials 物理-光学

CiteScore

3.00

自引率

48.10%

发文量

审稿时长

3 months

期刊介绍： This journal is devoted to the rapidly advancing research and development in the field of nonlinear interactions of light with matter. Topics of interest include, but are not limited to, nonlinear optical materials, metamaterials and plasmonics, nano-photonic structures, stimulated scatterings, harmonic generations, wave mixing, real time holography, guided waves and solitons, bistabilities, instabilities and nonlinear dynamics, and their applications in laser and coherent lightwave amplification, guiding, switching, modulation, communication and information processing. Original papers, comprehensive reviews and rapid communications reporting original theories and observations are sought for in these and related areas. This journal will also publish proceedings of important international meetings and workshops. It is intended for graduate students, scientists and researchers in academic, industrial and government research institutions.