All-Optical, High-Contrast Asymmetric Fabry-Perot Modulator,

Abstract

We have demonstrated all-optical modulation of a normally off asymmetric Fabry-Perot etalon with a nonlinear GaAs/AlGaAs multiple quantum well spacer. Large changes in reflectivity were observed giving an extremely high contrast ratio of 160:1 with less than 1 dB insertion loss. We have determined the nature of this modulation to be due to strong absorption and refractive index changes in the non-linear spacer.

Document Details

Document Type
Technical Report
Publication Date
May 22, 1992
Accession Number
ADP007414

Entities

People

  • J. F. Heffernan
  • J. Hegarty
  • M. H. Moloney

Organizations

  • Trinity College Dublin

Tags

DTIC Thesaurus Topics

  • Absorption
  • Contrast
  • Insertion Loss
  • Losses
  • Modulation
  • Modulators
  • Quantum Wells
  • Reflectivity
  • Refractive Index
  • Switching

Fields of Study

  • Physics

Readers

  • Microwave Engineering.
  • Optical Physics and Photonics.

Technology Areas

  • Quantum Computing