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Related Experiment Video

Updated: Jun 23, 2026

Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators
09:46

Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators

Published on: August 8, 2025

Spatio-temporal dynamics in semiconductor microresonators with thermal effects.

Giovanna Tissoni, Lorenzo Spinelli, Luigi Lugiato

    Optics Express
    |May 20, 2009
    PubMed
    Summary
    This summary is machine-generated.

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    In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...

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    This study explores semiconductor microcavity dynamics, revealing how competing timescales and diffusion lead to novel spatio-temporal instabilities. These instabilities generate regenerative oscillations, traveling patterns, and cavity solitons.

    Area of Science:

    • Physics
    • Optoelectronics
    • Nonlinear Dynamics

    Background:

    • Semiconductor microcavities are crucial for optoelectronic devices.
    • Understanding their complex dynamics is essential for device optimization.
    • External driving and internal diffusion processes significantly influence microcavity behavior.

    Purpose of the Study:

    • To investigate the intricate dynamics of intracavity fields, carriers, and lattice temperature in externally driven semiconductor microcavities.
    • To identify the mechanisms behind novel dynamical behaviors arising from the interplay of different timescales and diffusion effects.
    • To report the emergence of specific spatio-temporal instabilities and their resulting phenomena.

    Main Methods:

    • Theoretical modeling of semiconductor microcavity dynamics.

    More Related Videos

    Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity
    11:30

    Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity

    Published on: March 6, 2017

    Related Experiment Videos

    Last Updated: Jun 23, 2026

    Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators
    09:46

    Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators

    Published on: August 8, 2025

    Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity
    11:30

    Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity

    Published on: March 6, 2017

  • Analysis of the interplay between different timescales (field, carrier, lattice).
  • Inclusion of spatial effects like diffraction and carrier/thermal diffusion.

    • Main Results:

    • Observed complex spatio-temporal dynamics driven by competing timescales and diffusion.
    • Identified a Hopf-type spatio-temporal instability.
    • Reported the formation of regenerative oscillations, traveling patterns, and cavity solitons.

    Conclusions:

    • The competition between different timescales and diffusion processes is key to novel dynamics in semiconductor microcavities.
    • Hopf-type instabilities can lead to complex spatio-temporal patterns.
    • The findings contribute to understanding nonlinear phenomena in microcavity systems.