Observation of coherent confined LO phonons in 70Ge/74Ge isotope superlattices

M. Nakajima, H. Harima, K. Morita, K. M. Itoh, K. Mizoguchi, E. E. Haller, M. Hangyo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Coherent higher-order confined LO phonons are observed for the first time by a pump-probe technique in 70Ge/74Ge isotope superlattices. The Fourier-transformed spectra are well explained by a linear chain model and a bond polarizability approach.

Original languageEnglish
Title of host publicationInternational Conference on Ultrafast Phenomena, UP 2000
PublisherOptica Publishing Group (formerly OSA)
Pages244-246
Number of pages3
ISBN (Electronic)1557526400
Publication statusPublished - 2000
EventInternational Conference on Ultrafast Phenomena, UP 2000 - Charleston, United States
Duration: 2000 Jul 9 → …

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Conference

ConferenceInternational Conference on Ultrafast Phenomena, UP 2000
Country/TerritoryUnited States
CityCharleston
Period00/7/9 → …

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

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