A topological quantum optics interface

ORAL

Abstract

Topological photonics have opened up a multitude of new avenues in designing photonic devices. While exotic physics has been explored with topological photonic states in classical domain, strong light matter interaction with topological photonic states in the quantum regime remains largely unexplored. Towards this goal, we fabricate a topological photonic crystal to mediate coupling between single quantum emitter and topological photonic states. Developed on a thin slab of Gallium Arsenide membrane with electron beam lithography, such a device supports two robust counter-propagating edge states at the boundary of two distinct topological photonic crystals at near-IR wavelength. We show chiral coupling of circularly polarized lights emitted from a single Indium Arsenide quantum dot under strong magnetic field into these topological edge modes and demonstrate their robustness against sharp bends. Our technique could open up opportunities to explore many-body interaction, fault-tolerant photonic circuits and unconventional quantum states of light.

*ONR, AFOSR, Sloan Foundation and the Physics,Frontier Center at the Joint Quantum Institute.

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Presenters

  • Sabyasachi Barik

    • Department of Physics, University of Maryland

Authors

  • Sabyasachi Barik

    • Department of Physics, University of Maryland

  • Aziz Karasahin

    • Department of Electrical and Computer Engineering and Institute for Research in Electronics and Applied Physics, University of Maryland

  • Chris Flower

    • Department of Physics, University of Maryland

  • Tao Cai

    • Department of Electrical and Computer Engineering and Institute for Research in Electronics and Applied Physics, University of Maryland

  • Hirokazu Miyake

    • Joint Quantum Institute, University of Maryland and National Institute of Standards and Technology

  • Wade DeGottardi

    • Joint Quantum Institute
    • Joint Quantum Institute, University of Maryland and National Institute of Standards and Technology
    • University of Maryland - College Park

  • Mohammad Hafezi

    • Joint Quantum Institute, Univ of Maryland-College Park
    • Department of Electrical and Computer Engineering and Institute for Research in Electronics and Applied Physics, University of Maryland
    • University of Maryland - College Park

  • Edo Waks

    • ECE, IREAP, JQI, University of Maryland
    • Univ of Maryland-College Park
    • Department of Electrical and Computer Engineering and Institute for Research in Electronics and Applied Physics, University of Maryland