Photon-drag-induced terahertz emission from graphene
Abstract
We report the investigation of a strong interband photon drag effect in multilayer graphene leading to efficient emission of terahertz radiation. The obtained terahertz photoresponse of graphene layers exhibits peculiarities fundamentally predicted for free carrier transport in two-dimensional electronic systems. Owing to significant light absorption in gapless graphene, where each absorbed photon produces an electron-hole pair with the highest possible kinetic energy, the photon drag mechanism provides a possibility to achieve efficient conversion of light into broadband terahertz radiation as well as new ways towards vectorial control of the generated terahertz radiation in graphene-based materials.
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Subsequent investigations with off-normal optical illumination of graphene on dielectric substrates and percolated gold films demonstrated photon-drag-induced currents and THz radiation, with built-in field and thermoelectric effects precluded in these contact-free THz emission studies.
“Subsequent investigations with off-normal optical illumination of graphene on dielectric substrates48,244 and percolated gold films245 demonstrated photon-drag-induced currents246 and THz radiation. Built-in field and thermoelectric effects were precluded in these contact-free THz emission studies.”
From Ultrafast terahertz emission from emerging symmetry-broken materials (2023) · cites this paper as [48]
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References 34 · Cited by 81
- Authors
- Obraztsov, P. A., Kanda, N., Konishi, K., Kuwata-Gonokami, M., Garnov, S. V., Obraztsov, A. N., & Svirko, Y. P.
- Affiliations
- University of Eastern Finland (FI)
- RIKEN (JP)
- Institute for Photon Science and Technology (JP)
- Prokhorov General Physics Institute (RU)
- Corresponding author
- Obraztsov, Petr A.
- ORCID
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2014-12-29
- Volume
- 90
- Issue
- 24
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W1976181780
- Cited by
- 81
- References
- 34
- Citations by year
- 2026: 6 · 2025: 5 · 2024: 10 · 2023: 7 · 2022: 8 · 2021: 9 · 2020: 4 · 2019: 10 · 2018: 8 · 2017: 6 · 2016: 5 · 2015: 3
- FWCI
- 2.48
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Physical Review B (publishedVersion)
- Funders
- Russian Foundation for Basic Research (12-02-01369)
- Ministry of Education, Culture, Sports, Science, and Technology
- Japan Society for the Promotion of Science London
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Terahertz technology and applications
- Physical Sciences › Materials Science › Materials Chemistry › Graphene research and applications
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
- Keywords
- photon drag, terahertz emission, multilayer graphene, free carrier transport, two-dimensional electron systems, electron-hole pair generation, optical absorption, broadband terahertz generation
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