Intraband and interband decomposition of high-order-harmonic spectra from bulk GaSe by an ab-initio simulation

Yasushi Shinohara; Keisuke Kaneshima; Kengo Takeuchi; Nobuhisa Ishii; Kotaro Imasaka; Tomohiro Kaji; Satoshi Ashihara; Jiro Itatani; Kenichi L. Ishikawa

doi:10.1364/HILAS.2018.HW1A.3

High-Brightness Sources and Light-driven Interactions
OSA Technical Digest (online) (Optica Publishing Group, 2018),
paper HW1A.3
•https://doi.org/10.1364/HILAS.2018.HW1A.3

Intraband and interband decomposition of high-order-harmonic spectra from bulk GaSe by an ab-initio simulation

Yasushi Shinohara, Keisuke Kaneshima, Kengo Takeuchi, Nobuhisa Ishii, Kotaro Imasaka, Tomohiro Kaji, Satoshi Ashihara, Jiro Itatani, and Kenichi L. Ishikawa

High Intensity Lasers and High Field Phenomena 2018

Strasbourg France
26–28 March 2018
ISBN: 978-1-943580-40-8

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Theoretical Advanced in High-Field Physics (HW1A)

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Y. Shinohara, K. Kaneshima, K. Takeuchi, N. Ishii, K. Imasaka, T. Kaji, S. Ashihara, J. Itatani, and K. L. Ishikawa, "Intraband and interband decomposition of high-order-harmonic spectra from bulk GaSe by an ab-initio simulation," in High-Brightness Sources and Light-driven Interactions, OSA Technical Digest (online) (Optica Publishing Group, 2018), paper HW1A.3.

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Abstract

We have developed an ab-initio simulation for high-order-harmonic generation from bulk GaSe. The simulation shows even-order harmonics are exclusively generated from the interband current while odd-order ones are dominated by intraband current below the band-gap.

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