Near and Mid Infrared Spectroscopy of InGaAs/GaAs Quantum Dot Structures

Abstract

Results of a photo- and electroluminescence study of vertically coupled in(o.5)Ga?0.5)As/GaAs quantum dot structures with extended waveguide (1.24 micrometers thick) are presented. Spectra of spontaneous and stimulated near-infrared (lambda about 1 micrometer) emission as well as spectra of spontaneous mid-infrared (lambda about 12 micrometers) emission are obtained under optical and electrical pumping. It is shown that the observed mid-infrared emission is connected with intraband electron optical transitions in the quantum dot structtures.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Jun 01, 2001
Accession Number
ADP013175

Entities

People

  • A. V. Glukhovskoy
  • L. E. Vorobjev
  • S. N. Danilov
  • V. A. Shalygin
  • V. Yu. Panevin

Organizations

  • Peter the Great Saint Petersburg State Polytechnical University

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Background Radiation
  • Electron Energy
  • Electron Transitions
  • Electrons
  • Emission Spectra
  • Ground State
  • Infrared Spectroscopy
  • Lasers
  • Near Infrared Radiation
  • Optical Pumping
  • Quantum Dot Lasers
  • Quantum Dots
  • Semiconductor Lasers
  • Semiconductors
  • Spectra
  • Spectroscopy
  • Transitions

Fields of Study

  • Physics

Readers

  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.
  • Spectroscopy.

Technology Areas

  • Microelectronics
  • Quantum Computing