Van der Waals waveguide quantum electrodynamics probed by infrared nano- photoluminescence

ORAL

Abstract

Atomically layered van der Waals (vdW) materials exhibit remarkable properties, including highly-confined infrared waveguide modes and the capacity for infrared emission in the monolayer limit. Here, we engineered structures that leverage both of these nano-optical functionalities. Specifically, we encased a photoluminescing atomic sheet of MoTe2 within two bulk crystals of WSe2, forming a vdW waveguide for the embedded light-emitting monolayer. We discovered spatially-structured emission from MoTe2 that utilizes waveguide modes of WSe2 slabs. This nano-structured emission was captured with spectrally-resolved nanoscale photoluminescence microscopy (nano-PL). Our quantum electrodynamical (QED) model synthesizes nano-PL observables with far-field emission lifetimes, quantifying the intensity radiated into each mode of the waveguide. Our work marks a significant advance in the implementation of all-vdW waveguide-QED devices.

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Presenters

  • Samuel L Moore

    • Columbia University

Authors

  • Samuel L Moore

    • Columbia University

  • Hae Yeon Lee

    • Rice University

  • Nicholas Rivera

    • Harvard University
    • Massachusetts Institute of Technology MIT

  • Yuzuka Karube

    • Columbia University

  • Mark Ziffer

    • Columbia University

  • Emanuil S Yanev

    • Columbia University

  • Thomas P Darlington

    • Columbia University

  • Aaron Sternbach

    • Columbia University

  • Madisen A Holbrook

    • Columbia University

  • Jordan L Pack

    • Columbia University

  • Xiaodong Xu

    • University of Washington

  • Cory R Dean

    • Columbia University

  • Johnathan Owen

    • Columbia university

  • James Schuck

    • Columbia University

  • Milan Delor

    • Columbia University
    • Columbia university

  • Xiaoyang Zhu

    • Columbia University

  • James C Hone

    • Columbia University

  • Dmitri N Basov

    • Columbia University