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Updated: Jul 1, 2026

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing
15:58

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing

Published on: December 3, 2013

Difference frequency generation in GaAs microdisks.

Alessio Andronico1, Ivan Favero, Giuseppe Leo

  • 1Laboratoire Matériaux et Phénomènes Quantiques, CNRS-UMR 7162, Université Paris Diderot-Paris 7, Paris Cedex 13, France.

Optics Letters
|September 17, 2008
PubMed
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We demonstrate continuous-wave (cw) light generation using a gallium arsenide (GaAs) microdisk. This semiconductor microcavity enables tunable wavelength generation for nonlinear optics applications.

Area of Science:

  • Optics
  • Materials Science
  • Photonics

Background:

  • Semiconductor whispering-gallery-mode microcavities offer high optical quality factors.
  • These microcavities are promising for nonlinear optics applications.

Purpose of the Study:

  • To propose and numerically demonstrate continuous-wave (cw) light generation.
  • To utilize phase-matched difference frequency generation in a triply resonant gallium arsenide (GaAs) microdisk.
  • To achieve tunable wavelength generation in the 2.5-2.9 micrometer band.

Main Methods:

  • Design of a GaAs microdisk with specific radius and thickness for phase-matching.
  • Numerical simulation of difference frequency generation.
  • Analysis of temperature's effect on wavelength stability.

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Last Updated: Jul 1, 2026

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing
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Published on: December 3, 2013

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Main Results:

  • Successful numerical demonstration of cw light generation.
  • Achieved tunable wavelength selection in the 2.5-2.9 micrometer range.
  • Showcased temperature as a viable method for compensating fabrication errors.

Conclusions:

  • Gallium arsenide microdisks are effective for nonlinear optical light generation.
  • Precise design allows for wavelength tunability.
  • Temperature control offers a robust solution for wavelength stability.