Collective Spontaneous Emission of Femtosecond Pulses in Quantum-Well Semiconductor Lasers

Abstract

A new tvpe of accessible sources of ultrashort optical pulses based on the phenomenon of collective coherent recombination (superradiance) of electrons and holes in semiconductor heterostructures is proposed. The novel regime of an ultrafast operation of quantum well semiconductor lasers is analyzed, in which a quasiperiodic sequence of superradiant pulses of duration up to 30 fs and peak intenSity exceeding 100 MW/cm2 is emitted under a continuous pumping from a low-Q cavity of length of about 30-100 micrometers.

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1998
Accession Number
ADP012820

Entities

People

  • A. A. Belyanin
  • V. V. Kocharovsky

Organizations

  • Russian Academy of Sciences

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Band Gaps
  • Bulk Semiconductors
  • Coherent Radiation
  • Conduction Bands
  • Demographic Cohorts
  • Electron Holes
  • Emission
  • Energy Bands
  • Energy Levels
  • Femtosecond Time
  • Lasers
  • Low Temperature
  • Magnetic Fields
  • Optoelectronic Devices
  • Quantum Wells
  • Semiconductor Lasers
  • Semiconductors

Fields of Study

  • Physics

Readers

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

Technology Areas

  • Directed Energy
  • Microelectronics
  • Quantum Computing