Optical study of the one-dimensional electron gas in cleaved-edge-overgrown semiconductor quantum wires

J. Rubio, C. Pascual, A. Pinczuk, B. S. Dennis, L. N. Pfeiffer, K. W. West, J. M. Calleja

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

Cleaved-edge overgrown semiconductor quantum wires containing a one-dimensional electron gas with few occupied subbands are probed by optical experiments. Inter-sub-band excitation modes are observed by resonant inelastic light scattering at energies that agree well with theoretical estimates obtained within the Fermi-liquid model. Narrow spectral line-shapes indicate high uniformity and long electron scattering lengths that are consistent with recent transport measurements.

Original languageEnglish (US)
Pages (from-to)722-725
Number of pages4
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume12
Issue number1-4
DOIs
StatePublished - Jan 2002
Externally publishedYes
Event14th International Conference on the - Prague, Czech Republic
Duration: Jul 30 2001Aug 3 2001

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

Keywords

  • Optimal properties
  • Quantum wires

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