Demonstration of Ultra-small MIR Acoustic-graphene-plasmon Cavities Based on Magnetic Resonators

Itai Epstein; David Alcaraz; Zhiqin Huang; Zhiqin Huang; Varun-Varma Pusapati; Jean-Paul Hugonin; Avinash Kumar; Xander Deputy; Xander Deputy; Tymofiy Khodkov; Tatiana G. Rappoport; Nuno M.R. Peres; Nuno M.R. Peres; David R Smith; David R Smith; Frank H. L. Koppens; Frank H. L. Koppens

doi:10.1364/CLEO_AT.2020.JTh4B.4

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper JTh4B.4
•https://doi.org/10.1364/CLEO_AT.2020.JTh4B.4

Demonstration of Ultra-small MIR Acoustic-graphene-plasmon Cavities Based on Magnetic Resonators

Itai Epstein, David Alcaraz, Zhiqin Huang, Varun-Varma Pusapati, Jean-Paul Hugonin, Avinash Kumar, Xander Deputy, Tymofiy Khodkov, Tatiana G. Rappoport, Nuno M.R. Peres, David R Smith, and Frank H. L. Koppens

CLEO: Applications and Technology 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Joint Postdeadline Paper Session II (JTh4B)

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I. Epstein, D. Alcaraz, Z. Huang, V. Pusapati, J. Hugonin, A. Kumar, X. Deputy, T. Khodkov, T. G. Rappoport, N. M. R. Peres, D. R. Smith, and F. H. L. Koppens, "Demonstration of Ultra-small MIR Acoustic-graphene-plasmon Cavities Based on Magnetic Resonators," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper JTh4B.4.

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Abstract

Acoustic-graphene-plasmons (AGPs) are highly confined electromagnetic modes, which carry extreme momentum and low loss in the Mid-infrared (MIR) to Terahertz (THz) spectra. In this work [1], we demonstrate a new way to excite AGPs from the far-field, which are confined to nanometric-scale cavities, via localized graphene-plasmon-magnetic-resonators (GPMRs). This approach enables the efficient excitation of single AGP cavities, which are able to confine MIR light to record-breaking ultra-small mode-volumes that are ~5·10¹⁰ times smaller than their free-space volume.

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