Vertical Motional Narrowing of Exciton-Polaritons in GaN Based Multiple Quantum Wells

Abstract

Numerical simulation of time-resolved light reflection from GaN/AlGaN single and multi-quantum wells (MQWs) revealed a pronounced vertical motional narrowing effect. This effect consists in reduction of the in homogeneous broadening of the exciton peaks and increase of the decay-time of the time-resolved reflection due to the averaging of the vertical disorder in the structure by extended exciton-polariton modes. The theory predicts pronounced oscillations in the time-resolved reflection of MQWs resulting from the interference of exciton-polariton modes in the structure.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Jun 01, 2001
Accession Number
ADP013295

Entities

People

  • Alexey Kavokin
  • Guillaume Malpuech

Organizations

  • Blaise Pascal University (Clermont II)

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Bulk Semiconductors
  • Diseases And Disorders
  • Distribution Functions
  • Exciton Polaritons
  • Excitons
  • Films
  • Frequency
  • Oscillation
  • Oscillators
  • Polaritons
  • Quantum Wells
  • Reflection
  • Resonance
  • Semiconductors
  • Spectra
  • Technical Information Centers
  • Thin Films

Readers

  • Mathematics or Statistics
  • Microwave Engineering.
  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.

Technology Areas

  • Microelectronics
  • Quantum Computing