Possible applications of (III,Mn)V ferromagnetic semiconductors for optoelectronic devices

Alexander G. Umnov; Takao Naito; Hiro Munekata; Chanjuan Sun; Junichiro Kono

doi:10.1117/12.809188

6 February 2009 Possible applications of (III,Mn)V ferromagnetic semiconductors for optoelectronic devices

Alexander G. Umnov, Takao Naito, Hiro Munekata, Chanjuan Sun, Junichiro Kono

Proceedings Volume 7212, Optical Components and Materials VI; 72120X (2009) https://doi.org/10.1117/12.809188
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

We discuss possible applications of (III,Mn)V ferromagnetic semiconductors as novel magneto-optical devices for optoelectronics. These materials systems possess several distinguishing characteristics that make them attractive candidates for such applications. Processing technology for III-V compound semiconductors is very well established and can be employed for these materials. Illumination with light can induce much stronger changes in their electronic, magnetic, and optoelectronic properties than in ferromagnetic metals. Furthermore, electric-field-tunable magnetization, by utilizing the strong spin-orbit coupling in these materials, may lead to entirely new functionalities unachievable with conventional magneto-optical materials. We present some CW magneto-optical Kerr effect spectroscopy results for (III,Mn)V samples and discuss their potential for magneto-optical device applications.

Citation Download Citation

Alexander G. Umnov, Takao Naito, Hiro Munekata, Chanjuan Sun, and Junichiro Kono "Possible applications of (III,Mn)V ferromagnetic semiconductors for optoelectronic devices", Proc. SPIE 7212, Optical Components and Materials VI, 72120X (6 February 2009); https://doi.org/10.1117/12.809188

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