Efficient optical nonreciprocity based on four-wave mixing effect in semiconductor quantum well

被引：2

作者：

Ge Y.-R. ^{[1
]}

Zheng K. ^{[1
]}

Ding C.-L. ^{[1
]}

Hao X.-Y. ^{[1
]}

Jin R.-B. ^{[1
]}

机构：

[1] Hubei Key Laboratory of Optical Information and Pattern Recognition, Wuhan Institute of Technology, Wuhan

来源：

Wuli Xuebao/Acta Physica Sinica | 2024年 / 73卷 / 01期

基金：

中国国家自然科学基金;

关键词：

four-wave mixing; optical nonreciprocity; semiconductor quantum well;

D O I：

10.7498/aps.73.20231212

中图分类号：

学科分类号：

摘要：

Optical nonreciprocity has been a popular research topic in recent years. Semiconductor quantum wells (SQWs) play a key role in many high-performance optoelectronic devices. In this paper, we propose a theoretical scheme to achieve nonmagnetic optical nonreciprocity based on the four-wave mixing effect in SQW nanostructures. Using the experimentally available parameters, the nonreciprocal behavior of the probe field in forward direction and backward direction is achieved through this SQW, where both nonreciprocal transmission and nonreciprocal phase shift have high transmission rates. Furthermore, by embedding this SQW nanostructure into a Mach-Zender interferometer, a reconfigurable nonreciprocal device based on high transmission nonreciprocal phase shift that can be used as an isolator or a circulator, is designed and analyzed. The device can be realized as a two-port optical isolator with an isolation ratio of 92.39 dB and an insertion loss of 0.25 dB, and as a four-port optical circulator with a fidelity of 0.9993, a photon survival probability of 0.9518 and a low insertion loss with suitable parameters. Semiconductor media have the advantages of easier integration and tunable parameters, and this scheme can provide theoretical guidance for implementing nonreciprocal and nonreciprocal photonic devices based on semiconductor solid-state media. © 2024 Chinese Physical Society.

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