Electron spin states on a higher-order Bloch sphere

Ken Morita; Sota Sato; Toshiki Matsumoto; Jun Ishihara; Satoshi Iba; Katsuhiko Miyamoto; Takashige Omatsu

doi:10.1117/12.3008914

20 September 2023 Electron spin states on a higher-order Bloch sphere

Ken Morita, Sota Sato, Toshiki Matsumoto, Jun Ishihara, Satoshi Iba, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 12606, Optical Manipulation and Structured Materials Conference; 126061K (2023) https://doi.org/10.1117/12.3008914
Event: Optics and Photonics International Congress, 2023, Yokohama, Japan

Abstract

Based on the correspondence between the conventional Poincaré and Bloch spheres, we proposed a higher-order Bloch spheres, which is an extension of the conventional Bloch spheres. By calculating the expectation value of the spin components using the Pauli spin matrices, we found that the new spin state is formed in a ring shape and the orientation of the spin changes depending on the azimuthal angle and topological charge of orbital angular momentum. We also realize the coherent transfer of the azimuth-dependent polarization state of photons to the electron spin state in a GaAs quantum well with a V-shaped three-level system.

Citation Download Citation

Ken Morita, Sota Sato, Toshiki Matsumoto, Jun Ishihara, Satoshi Iba, Katsuhiko Miyamoto, and Takashige Omatsu "Electron spin states on a higher-order Bloch sphere", Proc. SPIE 12606, Optical Manipulation and Structured Materials Conference, 126061K (20 September 2023); https://doi.org/10.1117/12.3008914

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