Chiral quantum optics: recent developments, and future directions

• URL: http://arxiv.org/abs/2411.06495v1
• Date: Sun, 10 Nov 2024 15:28:37 GMT
• Title: Chiral quantum optics: recent developments, and future directions
• Authors: D. G. Suárez-Forero, M. Jalali Mehrabad, C. Vega, A. González-Tudela, M. Hafezi,
• Abstract summary: Chiral quantum optics is a growing field of research where light-matter interactions become asymmetrically dependent on momentum and spin. Recent platforms for investigating chiral light-matter interactions have expanded from laser-cooled atoms and quantum dots to various solid-state systems.
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• Abstract: Chiral quantum optics is a growing field of research where light-matter interactions become asymmetrically dependent on momentum and spin, offering novel control over photonic and electronic degrees of freedom. Recently, the platforms for investigating chiral light-matter interactions have expanded from laser-cooled atoms and quantum dots to various solid-state systems, such as microcavity polaritons and two-dimensional layered materials, integrated into photonic structures like waveguides, cavities, and ring resonators. In this perspective, we begin by establishing the foundation for understanding and engineering these chiral light-matter regimes. We review the cutting-edge platforms that have enabled their successful realization in recent years, focusing on solid-state platforms, and discuss the most relevant experimental challenges to fully harness their potential. Finally, we explore the vast opportunities these chiral light-matter interfaces present, particularly their ability to reveal exotic quantum many-body phenomena, such as chiral many-body superradiance and fractional quantum Hall physics.

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