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Few-Cycle THz Emission from Cold Plasma Oscillations
Abstract
We report on THz emission from plasma oscillations in semiconductors excited by femtosecond optical pulses. Time-resolved correlation measurements are performed on $p\ensuremath{-}i\ensuremath{-}n$ and $n$-doped GaAs structures. In $p\ensuremath{-}i\ensuremath{-}n$ structures coherent oscillations of the hot photogenerated carrier plasma emit THz radiation. A fundamentally new emission process is proposed in $n$-doped GaAs structures. Here, the screening of the surface field starts plasma oscillations of the cold electrons in the GaAs bulk leading to an efficient emission of few-cycle THz radiation.
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Citations
Cited by
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Chan, W. L., Deibel, J., & Mittleman, D. M. (2007) · Reports on Progress in Physics · doi:10.1088/0034-4885/70/8/r02 · Cited by 965
Emission of Electromagnetic Pulses from Laser Wakefields through Linear Mode Conversion
Sheng, Z.-M., Mima, K., Zhang, J., & Sanuki, H. (2005) · Physical Review Letters · doi:10.1103/physrevlett.94.095003 · Cited by 285
Terahertz radiation from InAs induced by carrier diffusion and drift
Liu, K., Xu, J., Yuan, T., & Zhang, X.-C. (2006) · Physical Review B · doi:10.1103/physrevb.73.155330 · Cited by 181
THz emitters based on the photo-Dember effect
Apostolopoulos, V, & Barnes, M. E. (2014) · Journal of Physics D: Applied Physics · doi:10.1088/0022-3727/47/37/374002 · Cited by 107
Efficient terahertz emission from InAs nanowires
Seletskiy, D. V., Hasselbeck, M. P., Cederberg, J. G., Katzenmeyer, A., Toimil-Molares, M. E., Léonard, F., Talin, A. A., & Sheik-Bahae, M. (2011) · Physical Review B · doi:10.1103/physrevb.84.115421 · Cited by 81
Metadata
- Authors
- Kersting, R., Unterrainer, K., Strasser, G., Kauffmann, H. F., & Gornik, E.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1997-10-20
- Volume
- 79
- Issue
- 16
- Pages
- 3038-3041
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2013247112
- Cited by
- 201
- References
- 0
- FWCI
- 13.57
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kersting, R., Unterrainer, K., Strasser, G., Kauffmann, H. F., & Gornik, E. (1997). Few-Cycle THz Emission from Cold Plasma Oscillations. Physical Review Letters. https://doi.org/10.1103/physrevlett.79.3038
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