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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
Polarization multistability of cavity polaritons
N A Gippius1, I A Shelykh, D D Solnyshkov
1LASMEA, CNRS, Université Blaise Pascal, 24 av. des Landais, 63177 Aubière, France.
Physical Review Letters
|August 7, 2007
Summary
New polarization multistability and hysteresis effects in polariton systems are predicted. These phenomena, driven by polarization-dependent interactions, occur at significantly lower pumping powers than traditional optical systems.
Area of Science:
- Quantum optics
- Condensed matter physics
- Semiconductor microcavities
Background:
- Polariton systems exhibit complex behaviors influenced by light-matter interactions.
- Optical bistability is a well-known phenomenon in nonlinear optical systems.
- Semiconductor microcavities confine and enhance these interactions.
Purpose of the Study:
- To theoretically predict and analyze new polarization effects in coherently driven polariton systems.
- To investigate the underlying mechanisms of polarization multistability and hysteresis.
- To explore the potential for low-power optical switching applications.
Main Methods:
- Theoretical analysis of a coherently driven polariton system.
- Modeling polarization-dependent polariton-polariton interactions.
- Identifying conditions for observing multistability and hysteresis.
Main Results:
- Prediction of novel polarization multistability and hysteresis effects.
- Attribution of these effects to polarization-dependent interactions.
- Demonstration that these effects occur at significantly lower pumping powers (4 orders of magnitude lower) than conventional systems.
Conclusions:
- Polarization multistability and hysteresis are new, low-power phenomena in polariton systems.
- These effects can be experimentally verified using polarization-resolved photoluminescence.
- The findings suggest potential for developing highly efficient optical devices.
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