Terahertz radiation from InAs with various surface orientations under magnetic field irradiated with femtosecond optical pulses at different wavelengths

Hiroshi Takahashi, Masahiro Sakai, Alex Quema, Shingo Ono, Nobuhiko Sarukura, Gen Nishijima, Kazuo Watanabe

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The magnetic field dependence of terahertz (THz)-radiation power from femtosecond-laser-irradiated InAs with various surface orientations was discussed. Under 800 nm optical excitation, the magnetic field was affected by the surface orientation. Under 1560 nm excitation, the dependence on the surface orientation almost disappeared. The shift of the peak in the THz-radiation spectrum toward lower frequency was also elaborated.

Original languageEnglish
Pages (from-to)4545-4550
Number of pages6
JournalJournal of Applied Physics
Volume95
Issue number9
DOIs
Publication statusPublished - 2004 May 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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