OPTICS & PHOTONICS International Congress 2024

Presentation information

LSC2024 » Oral Presentation

Photoemission, absorption, scattering (1)

Thu. Apr 25, 2024 9:00 AM - 10:15 AM 421 (Pacifico Yokohama Conference Center)

Session Chair: Takeshi Suzuki (University of Tokyo)

9:40 AM - 10:00 AM

[LSC3-03(Invited)] Time- and angle-resolved photoemission spectroscopy for nonequilibrium excitonic state in bulk WSe2

*Katsuya Oguri1, Ryo Yoshioka1,2, Kohei Nagai1, Yashushi Shinohara1, Takuya Okamoto1, Yoji Kunihashi1, Keiko Kato3, Hiroki Mashiko4, Yoshiaki Sekine1, Hiroki Hibino5, Ikufumi Katayama2, Jun Takeda2, Haruki Sanada1 (1. NTT Basic Research Labs., NTT Corporation, 2. Yokohama National University, 3. Nagoya University, 4. The University of Tokyo, 5. Kwansei Gakuin University)

We report an observation of the dynamical behavior of exciton generated at the K point during the optical excitation and the intervalley scattering in layered 2H- WSe2 by using Tr-ARPES with 30-fs near infrared pump pulse.

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