Nonlinear Dynamics Tailored by Spin-Polarized Carriers in Semiconductor Vertical-Cavity Surface-Emitting Lasers

IF 2.2 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Journal of Quantum Electronics Pub Date : 2023-09-01 DOI:10.1109/JQE.2023.3310969

Qing Fang;Huiming Wang;Hanxu Zhou;Can Jiang;Weizheng Di;Gaofeng Xu;Tao Wang

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Abstract

Spin-polarized carriers generated in semiconductor cavities by electrical injection or circularly polarized light, favour the realization of newly developed spin-VCSELs. Such light sources have been considered as a type of information carrier, which can supply the enhanced performance for communications and signal processing. In this work, we provide a numerical investigation of the nonlinear dynamics of semiconductor lasers with injection of controllable spin-polarized electrons, in particular, pay more attention on the influence of noise of two polarization states. Through using the second-order correlation functions, we reveal that superthermal emission properties associated with

$g^{(2)}(0) > 2$

can be generated through modifying the spin of pump current. The noise effect on laser emission can be tuned by modifying the pump ellipticity, which is significant for the laser device design and fabrication. In addition, the corresponding polarization dynamics characterized by the Poincaré sphere is also discussed. Our study may supply a theoretical guidance for people to better understand the underlying dynamics of spin-VCSELs.

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半导体垂直腔面发射激光器中自旋极化载流子定制的非线性动力学

通过电注入或圆偏振光在半导体腔中产生的自旋极化载流子有利于实现新开发的自旋VCSEL。这种光源被认为是一种信息载体，可以为通信和信号处理提供增强的性能。在这项工作中，我们对注入可控自旋偏振电子的半导体激光器的非线性动力学进行了数值研究，特别是对两个偏振态的噪声的影响给予了更多的关注。通过使用二阶相关函数，我们揭示了与$g^{（2）}（0）>2$相关的超热发射特性可以通过修改泵浦电流的自旋来产生。通过改变泵浦椭圆度可以调节噪声对激光发射的影响，这对激光器件的设计和制造具有重要意义。此外，还讨论了相应的以庞加莱球为特征的极化动力学。我们的研究可能为人们更好地理解自旋VCSEL的潜在动力学提供理论指导。

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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来源期刊

IEEE Journal of Quantum Electronics 工程技术-工程：电子与电气

CiteScore

4.70

自引率

4.00%

发文量

审稿时长

3.0 months

期刊介绍： The IEEE Journal of Quantum Electronics is dedicated to the publication of manuscripts reporting novel experimental or theoretical results in the broad field of the science and technology of quantum electronics. The Journal comprises original contributions, both regular papers and letters, describing significant advances in the understanding of quantum electronics phenomena or the demonstration of new devices, systems, or applications. Manuscripts reporting new developments in systems and applications must emphasize quantum electronics principles or devices. The scope of JQE encompasses the generation, propagation, detection, and application of coherent electromagnetic radiation having wavelengths below one millimeter (i.e., in the submillimeter, infrared, visible, ultraviolet, etc., regions). Whether the focus of a manuscript is a quantum-electronic device or phenomenon, the critical factor in the editorial review of a manuscript is the potential impact of the results presented on continuing research in the field or on advancing the technological base of quantum electronics.

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