Low-frequency spectral enhancement of THz electromagnetic waves emitted from InAs surface with increased excitation intensity

R. Yano; H. Gotoh; Y. Hirayama; S. Miyashita; S. Kadoya; K. Kusuda; M. Yamanishi

doi:10.1063/1.1642733

Low-frequency spectral enhancement of THz electromagnetic waves emitted from InAs surface with increased excitation intensity

R. Yano, H. Gotoh, Y. Hirayama, S. Miyashita, S. Kadoya, K. Kusuda, M. Yamanishi

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

A study was conducted on the excitation intensity dependence of THz electromagnetic waves emitted from the surface of an undoped InAs wafer excited by femtosecond laser pulses without an eternal magnetic field to clarify the relation between the spectral profile and the amplitude of the THz waves. It was found that the spectral amplitude of the THz waves was enhanced in the low-frequency regime when the excitation intensity was increased.

Original language	English
Pages (from-to)	2141-2145
Number of pages	5
Journal	Journal of Applied Physics
Volume	95
Issue number	4
DOIs	https://doi.org/10.1063/1.1642733
Publication status	Published - 2004 Feb 15
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.1642733

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abstract = "A study was conducted on the excitation intensity dependence of THz electromagnetic waves emitted from the surface of an undoped InAs wafer excited by femtosecond laser pulses without an eternal magnetic field to clarify the relation between the spectral profile and the amplitude of the THz waves. It was found that the spectral amplitude of the THz waves was enhanced in the low-frequency regime when the excitation intensity was increased.",

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AU - Yano, R.

AU - Gotoh, H.

AU - Hirayama, Y.

AU - Miyashita, S.

AU - Kadoya, S.

AU - Kusuda, K.

AU - Yamanishi, M.

PY - 2004/2/15

Y1 - 2004/2/15

N2 - A study was conducted on the excitation intensity dependence of THz electromagnetic waves emitted from the surface of an undoped InAs wafer excited by femtosecond laser pulses without an eternal magnetic field to clarify the relation between the spectral profile and the amplitude of the THz waves. It was found that the spectral amplitude of the THz waves was enhanced in the low-frequency regime when the excitation intensity was increased.

AB - A study was conducted on the excitation intensity dependence of THz electromagnetic waves emitted from the surface of an undoped InAs wafer excited by femtosecond laser pulses without an eternal magnetic field to clarify the relation between the spectral profile and the amplitude of the THz waves. It was found that the spectral amplitude of the THz waves was enhanced in the low-frequency regime when the excitation intensity was increased.

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Low-frequency spectral enhancement of THz electromagnetic waves emitted from InAs surface with increased excitation intensity

Abstract

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