Apparent Microcavity Effect in the Near-Field Photoluminescence of a Single Quantum Dot

Abstract

We present low-temperature near-field scanning optical microscopy (NSOM) measurements of self-organized InP quantum dots (QD) embedded in a 3lamba/2 GaInP layer. We observed an anomalously strong increase of the emission energy (^27O meV) of a single QD by changing the tip-to-surface distance over ^100 nm in the near-field region. The effect indicates formation of a near-field microcavity having extremely high photon-exciton mixing.

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Document Details

Document Type
Technical Report
Publication Date
Jun 23, 2000
Accession Number
ADP013064

Entities

People

  • A. M. Mintairov
  • J. L. Merz
  • J. P. Reynolds
  • O. V. Kovalenkov
  • S. V. Osinski

Organizations

  • Russian Academy of Sciences

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Cavity Resonators
  • Detuning
  • Electrical Engineering
  • Electron Microscopy
  • Emission
  • Emission Spectra
  • Engineering
  • Field Emission
  • Low Temperature
  • Microscopes
  • Microscopy
  • Near Field
  • Optics
  • Photons
  • Quantum Dots
  • Spectra
  • Transmission Electron Microscopy

Fields of Study

  • Physics

Readers

  • Nanoscale Plasmonic Nanotechnology
  • Optical Physics and Photonics.
  • Semiconductor Device Technology

Technology Areas

  • Microelectronics
  • Quantum Computing