Broadband cascaded four-wave mixing in As2S3 chalcogenide waveguide with optical feedback and Mach-Zehnder interferometer

被引：3
|
作者：
Wen, Jin [1 ]
Fu, Haiwei [1 ]
机构：
[1] Xian Shiyou Univ, Sch Sci, Xian 710065, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2015年 / 29卷 / 21期
基金：
中国国家自然科学基金;
关键词：
Chalcogenide waveguide; nonlinear optics; cascaded four-wave mixing; SILICON PHOTONICS; WAVELENGTH CONVERSION; PARAMETRIC OSCILLATOR; FIBERS; CHIP; GENERATION; FREQUENCY; GAIN; LASER;
D O I：
10.1142/S0217984915501158
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A scheme to enhance the efficiency and number of the cascaded four-wave mixing (FWM) products in As2S3 chalcogenide planar waveguide is proposed and investigated numerically. Through introducing the optical feedback cavity and Mach-Zehnder interferometer, the modulated broadband cascaded FWM products can be obtained based on the high nonlinear As2S3 chalcogenide planar waveguide. The numerical results show that the bandwidth of the modulated cascaded FWM is increased and the number of cascaded FWM products is improved compared with the single pass way of generating cascaded FWM products. Moreover, the feedback ratio plays an important role in the modulated cascaded FWM. This research can find important potential applications in nonlinear optics and integrated optics.
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页数：9
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