OPTICS & PHOTONICS International Congress 2024

講演情報

LSC2024 » Oral Presentation

Photoemission, absorption, scattering (3)

2024年4月25日(木) 13:15 〜 15:05 421 (Pacifico Yokohama Conference Center)

Session Chair: Goro Shibata (Japan Atomic Energy Agency)

13:15 〜 13:35

[LSC5-01(Invited)] Visualization of optical polarization transfer to photoelectron spin vector emitted from a spin-orbit coupled surface state

*Kenta Kuroda1,2 (1. Hiroshima University, 2. WPI-SKCM2)

Like light polarization that is selected by a superposition of the optical basis, the electron spin direction can be controlled through a superposition of the spin basis. By spin- and angle-resolved photoemission spectroscopy with a laser, we demonstrate that such optical information can be projected to the 3D spin vector of the photoelectrons from Bi2Se3 surface, permitting us to optically control the pure spin state pointing to an arbitrary direction.

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