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Room-temperature operation of an electrically driven terahertz modulator
Abstract
In this letter, we report the room-temperature operation of an electrically controlled THz modulator. The modulation is achieved by reducing the electron density in a gated two-dimensional electron gas structure, which leads to an increase in the transmitted intensity of an incident beam of THz radiation. By depleting an electron gas of density 1012 cm−2, we achieved a maximum modulation depth of 3% for a pulse of terahertz radiation covering the range of frequencies from 0.1 to 2 THz.
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Cited by
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Alternative Plasmonic Materials: Beyond Gold and Silver
Naik, G. V., Shalaev, V. M., & Boltasseva, A. (2013) · Advanced Materials · doi:10.1002/adma.201205076 · Cited by 2,373
Terahertz spectroscopy and imaging - Modern techniques and applications
Jepsen, P. U., Cooke, D. G., & Koch, M. (2011) · Laser & Photonics Reviews · doi:10.1002/lpor.201000011 · Cited by 2,091
Self-citationReview of terahertz and subterahertz wireless communications
Federici, J., & Moeller, L. (2010) · Journal of Applied Physics · doi:10.1063/1.3386413 · Cited by 1,205
Broadband graphene terahertz modulators enabled by intraband transitions
Sensale-Rodriguez, B., Yan, R., Kelly, M. M., Fang, T., Tahy, K., Hwang, W. S., Jena, D., Liu, L., & Xing, H. G. (2012) · Nature Communications · doi:10.1038/ncomms1787 · Cited by 1,085
Metadata
- Authors
- Kleine-Ostmann, T., Dawson, P., Pierz, K., Hein, G., & Koch, M.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2004-05-03
- Volume
- 84
- Issue
- 18
- Pages
- 3555-3557
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2071996613
- Cited by
- 221
- References
- 0
- FWCI
- 3.92
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kleine-Ostmann, T., Dawson, P., Pierz, K., Hein, G., & Koch, M. (2004). Room-temperature operation of an electrically driven terahertz modulator. Applied Physics Letters. https://doi.org/10.1063/1.1723689
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
