Optical electron-hole tweezers in semiconductors

R. Binder, M. Lindberg

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


The theory of transversal light forces on electron-hole pairs in semiconductors has been formulated recently (Lindberg and Binder 2003 J. Phys.: Condens. Matter 15 1119), but only light forces from single Gaussian beams were considered. In the present paper, it is shown theoretically that Hermite-Gaussian beams can be used to reduce and even reverse natural wavepacket spreading. Furthermore, a spatially moving beam can be used to displace and accelerate an electron-hole plasma, in analogy to well-known optical tweezers in atomic systems. The light forces exerted by Hermite-Gaussian beams appear to be robust and therefore of possible practical importance.

Original languageEnglish (US)
Pages (from-to)729-740
Number of pages12
JournalJournal of Physics Condensed Matter
Issue number2
StatePublished - Jan 18 2006

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics


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