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Träfflista för sökning "WFRF:(Odnoblioudov Maxim) "

Search: WFRF:(Odnoblioudov Maxim)

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1.
  • Sekine, N, et al. (author)
  • Bloch gain in AlGaAs/GaAs semiconductor superlattices
  • 2004
  • In: Proceedings of the Eleventh International Conference on Modulated Semiconductor Structures (Physica E: Low-dimensional Systems and Nanostructures). - : Elsevier BV. - 1386-9477. ; 21:2-4, s. 858-862
  • Conference paper (peer-reviewed)abstract
    • We have investigated terahertz (THz) emission due to dynamical electron transport in wide miniband GaAs/Al0.3Ga0.7As superlattices. By noting that the time-domain THz emission spectroscopy contains the information on the step response of the electron system to the bias electric field, the obtained THz spectra were compared with the high-frequency conductivities predicted for miniband transport. Excellent agreement between theory and experiment strongly supports that the THz gain due to Bloch oscillating electrons persists at least up to 1.7 THz. It was also found that Zener tunneling into the second miniband sets the high-frequency limit of the THz gain for the samples studied here. (C) 2003 Elsevier B.V. All rights reserved.
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2.
  • Shimada, Y, et al. (author)
  • Terahertz conductivity and possible Bloch gain in semiconductor superlattices
  • 2003
  • In: Physical Review Letters. - 1079-7114. ; 90:4: 046806
  • Journal article (peer-reviewed)abstract
    • We have investigated terahertz emission due to dynamical electron transport in wide-miniband GaAs/Al0.3Ga0.7As superlattices. By noting that the time-domain THz emission spectroscopy inherently measures the step-response of the electron system to the bias electric field, the obtained THz spectra were compared with the high-frequency conductivities predicted for miniband transport. Excellent agreement between theory and experiment strongly supports that the THz gain due to Bloch oscillating electrons persists at least up to 1.7 THz. It was also found that Zener tunneling into the second miniband sets the high-frequency limit to the THz gain for the samples studied here.
  •  
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  • Result 1-2 of 2
Type of publication
conference paper (1)
journal article (1)
Type of content
peer-reviewed (2)
Author/Editor
Chao, Koung-An (2)
Shimada, Y. (2)
Hirakawa, K (2)
Odnoblioudov, Maxim (2)
Sekine, N (1)
University
Lund University (2)
Language
English (2)
Research subject (UKÄ/SCB)
Natural sciences (2)

Year

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