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Related Experiment Videos

Spin rings in semiconductor microcavities.

I A Shelykh1, T C H Liew, A V Kavokin

  • 1ICCMP, Universidade de Brasilia, 70904-970 Brasilia DF, Brazil.

Physical Review Letters
|June 4, 2008
PubMed
Summary
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New research predicts self-organization and polarization patterns in semiconductor microcavities. This could lead to novel optical data storage devices using localized spin memory elements.

Area of Science:

  • Optics and Photonics
  • Condensed Matter Physics
  • Semiconductor Physics

Background:

  • Semiconductor microcavities exhibit complex nonlinear optical phenomena.
  • Polarization dynamics in these systems are crucial for advanced applications.
  • Recent theoretical work predicted polarization multistability in cavity polaritons.

Purpose of the Study:

  • To theoretically analyze new self-organization and polarization pattern formation effects.
  • To investigate the impact of inhomogeneous optical pumping on microcavity polarization.
  • To explore the potential for optical data storage applications.

Main Methods:

  • Theoretical analysis of nonlinear optical effects in semiconductor microcavities.
  • Modeling of self-organization and polarization pattern formation.

Related Experiment Videos

  • Investigation of spatially inhomogeneous elliptically polarized continuous-wave (cw) optical pumping.

    • Main Results:

    • Prediction of a strongly circularly polarized ring formation in real space.
    • Demonstration that inhomogeneous pumping induces polarization pattern formation.
    • Observation of polarization multistability in cavity polaritons.

    Conclusions:

    • The observed effects enable the formation of localized spin memory elements.
    • This research paves the way for novel optical data storage devices.
    • Switching between stable configurations is key for memory functionality.