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  Role of virtual band population for high harmonic generation in solids

Sanari, Y., Hirori, H., Aharen, T., Tahara, H., Shinohara, Y., Ishikawa, K. L., et al. (2020). Role of virtual band population for high harmonic generation in solids. Physical Review B, 102(4): 041125(R). doi:10.1103/PhysRevB.102.041125.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0006-D6B2-F Version Permalink: https://hdl.handle.net/21.11116/0000-000B-BBA4-9
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Supplemental Material: I. Synthesis of lead halide perovskite sample, II. HHG measurement, III. Theoretical method, IV. Evaluation of temporal population dynamics, V. Decomposition of calculated HHG spectra, VI. Rabi oscillation and virtual population dynamics, VII. Anisotropy of virtual population and high-order harmonic generation
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 Creators:
Sanari, Y.1, Author
Hirori, H.1, Author
Aharen, T.1, Author
Tahara, H.1, Author
Shinohara, Y.2, 3, Author
Ishikawa, K. L.2, 3, 4, Author
Otobe, T.5, Author
Xia, P.6, Author
Ishii, N.6, Author
Itatani, J.6, Author
Sato, S.7, 8, Author           
Kanemitsu, Y.1, Author
Affiliations:
1Institute for Chemical Research, Kyoto University, ou_persistent22              
2Photon Science Center, Graduate School of Engineering, The University of Tokyo, ou_persistent22              
3Department of Nuclear Engineering and Management, Graduate School of Engineering, The University of Tokyo, ou_persistent22              
4Research Institute for Photon Science and Laser Technology, The University of Tokyo, ou_persistent22              
5Kansai Photon Science Institute, National Institutes for Quantum and Radiological Science and Technology, ou_persistent22              
6Institute for Solid State Physics, The University of Tokyo, ou_persistent22              
7Center for Computational Sciences, University of Tsukuba, ou_persistent22              
8Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              

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 Abstract: We study the sub-band-gap high harmonic generation (HHG) in a methylammonium lead trichloride single crystal. Anisotropy in the crystal orientation dependence of the high harmonic yield is observed, and the yield varies substantially with the electric field strength of the midinfrared laser pulse used for excitation. Our real-time ab initio simulations reproduce the experimental results well and also show that the HHG is independent of the interband decoherence time. Based on a microscopic analysis of the intraband current, we reveal that the orientation dependence of the HHG in this perovskite semiconductor is governed by the virtual band population, rather than the anharmonicity of the electronic band structure.

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Language(s): eng - English
 Dates: 2020-05-012019-10-232020-07-132020-07-302020-07-15
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.102.041125
 Degree: -

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Project name : This study was supported by JSPS KAKENHI (Grants No. 19H05465, No. 18K14145, No. 18H05250, and No. 19H02623), JST CREST (Grants No. JPMJCR15N1 and No. JPMJCR16N3), JST COI (Grant No. JPMJCE1313), MEXT Q-LEAP (Grants No. JPMXS0118067246 and No. JPMXS0118068681), and the Exploratory Challenge on Post-K Computer from MEXT. The computation in this work was done using the facilities of the Supercomputer Center of the Institute for Solid State Physics, The University of Tokyo, and the K computer provided by the RIKEN Advanced Institute for Computational Science through the HPCI System Research project (Project ID: hp180174).
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 102 (4) Sequence Number: 041125(R) Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008