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Updated: May 24, 2026
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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
Non-Hermitian phenomena in dissipative coupled polaritons
Diego Armando Mendoza1, Areli Jael Vega-Carmona1, Arturo Camacho Guardian2
1Departamento de Física, Universidad Autónoma Metropolitana-Iztapalapa, San Rafael Atlixco 186, CDMX C.P. 09340, Mexico.
Summary
We explored non-Hermitian effects in polariton systems, revealing conditions for unique phenomena like negative effective mass and exceptional points by tuning coupling and decay rates.
Area of Science:
- Quantum optics
- Condensed matter physics
- Non-Hermitian physics
Background:
- Dissipative coupling mediates interactions via dissipation channels.
- Light-matter systems offer platforms to study non-Hermitian effects like level attraction and anomalous dispersions.
Purpose of the Study:
- To parametrically study non-Hermitian effects in a polariton system under both dissipative and coherent coupling.
- To identify conditions for emergent phenomena as a function of system parameters.
Main Methods:
- Parametric study of a polariton system.
- Analytical identification of conditions for negative effective mass, exceptional points, and bound states in the continuum.
- Analysis of the classical limit using coherent states within a non-Hermitian framework.
Main Results:
- Characterized effects of various non-Hermitian sources.
- Identified parameter regimes for negative effective mass, exceptional points, and bound states in the continuum.
- Analyzed the classical limit of the polariton system.
Conclusions:
- Dissipative coupling significantly influences non-Hermitian phenomena in polariton systems.
- Precise control over coupling ratios and decay rates enables tuning of emergent quantum properties.
- The study provides a framework for understanding and engineering non-Hermitian physics in light-matter systems.
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