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Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

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Incompressible Polaritons in a Flat Band.

Matteo Biondi¹, Evert P L van Nieuwenburg¹, Gianni Blatter¹

¹Institute for Theoretical Physics, ETH Zurich, 8093 Zürich, Switzerland.

Physical Review Letters

|November 10, 2015

Summary

This summary is machine-generated.

We engineer strong photon correlations in a driven, dissipative photonic lattice by using geometric frustration to create an incompressible photon state with crystalline order. This state exhibits unique spatial correlations and density-wave oscillations.

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Area of Science:

Quantum optics
Condensed matter physics
Photonic systems

Background:

Photonic lattice systems are crucial for quantum technologies.
Understanding interactions and frustration is key to controlling quantum states.
Nonequilibrium dynamics offer unique pathways to novel quantum phases.

Purpose of the Study:

To investigate the role of geometric frustration in a nonequilibrium photonic lattice.
To engineer strong photonic correlations and incompressible states.
To explore the potential of circuit QED for realizing such systems.

Main Methods:

Utilizing a variant of the Jaynes-Cummings-Hubbard model.
Employing geometric frustration to quench kinetic energy.
Analyzing spatial correlations, including on-site and nearest-neighbor antibunching.
Proposing a circuit quantum electrodynamics (QED) architecture.

Main Results:

Demonstrated engineering of strong photonic correlations via frustration.
Observed an incompressible photon state with period-doubled crystalline order.
Identified extended density-wave oscillations and specific antibunching behaviors.
Proposed a tunable circuit QED realization.

Conclusions:

Geometric frustration is a powerful tool for controlling quantum correlations in driven-dissipative photonic systems.
The proposed system offers a promising platform for exploring novel quantum phases of light.
Circuit QED provides a viable experimental avenue for realizing these engineered quantum states.