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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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Defect Polaritons from First Principles.

Derek S Wang¹, Susanne F Yelin², Johannes Flick³

¹Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States.

|August 30, 2021

Summary

This summary is machine-generated.

Researchers demonstrate tuning optical properties of solid-state defects using defect polaritons in optical cavities. This approach significantly enhances light-matter interactions, potentially overcoming limitations in single-photon emission for quantum technologies.

Keywords:

defect center defect polariton hexagonal boron nitride quantum electrodynamical density functional theory quantum emitter

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Area of Science:

Solid-state physics
Quantum optics
Materials science

Background:

Controlling optical properties of defects is crucial for quantum technologies.
Defect centers in solids are promising for quantum applications but face limitations like phonon-induced decoherence.

Purpose of the Study:

To demonstrate a first-principles method for tuning defect optical properties.
To investigate the formation and effects of defect polaritons in optical cavities.
To explore enhanced light-matter interactions for improved quantum device performance.

Main Methods:

First-principles calculations to model defect behavior in optical cavities.
Analysis of polaritonic splitting and absorption intensity.
Investigation of electronic transition continua and their impact on light-matter coupling.

Main Results:

Demonstrated tuning of defect optical properties via defect polaritons.
Observed polaritonic splitting exceeding predictions from standard Jaynes-Cummings models.
Reported orders-of-magnitude increase in lower polariton absorption intensity.
Identified an effective continuum of electronic transitions enhancing light-matter interaction.

Conclusions:

Defect polaritons offer a powerful route to control optical properties of solid-state defects.
The enhanced light-matter coupling can potentially overcome phonon limitations in single-photon emission.
Findings encourage experimental research into strong light-matter coupling for quantum technology applications.