Efficient generation of far-infrared radiation from a periodically poled LiNbO3 waveguide based on surface-emitting geometry

被引：18

作者：

Ding, Yujie J. ^{[1
]}

机构：

[1] Lehigh Univ, Dept Elect & Comp Engn, Bethlehem, PA 18015 USA

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2011年 / 28卷 / 05期

基金：

美国国家科学基金会;

关键词：

DIFFERENCE-FREQUENCY-GENERATION; OPTICAL PARAMETRIC OSCILLATOR; QUANTUM CASCADE LASER; LITHIUM-NIOBATE; MU-M; IRRADIATION;

D O I：

10.1364/JOSAB.28.000977

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate efficient generation of far-infrared (far-IR) radiation in 13-30 mu m based on difference-frequency generation in a periodically poled LiNbO3 waveguide. The efficient conversion is made possible by utilizing a surface-emitting geometry under which the two incoming optical waves propagate along a waveguide, whereas the far-IR radiation is emitted from the waveguide surface. Under such a configuration, we can exploit the enhancements to the second-order nonlinear coefficients due to polariton resonances in the far-IR region. Based on our estimates, the average output power is expected to reach 2: 1mW. (C) 2011 Optical Society of America

引用

页码：977 / 981

页数：5

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