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; Jin-Yong Hong; Nuno M. R. Peres; Jing Kong; David R. Smith; Frank H. L. Koppens

doi:10.1117/12.2590038

5 March 2021 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, Jin-Yong Hong, Nuno M. R. Peres, Jing Kong, David R. Smith, Frank H. L. Koppens

Author Affiliations +

Proceedings Volume 11688, 2D Photonic Materials and Devices IV; 116880X (2021) https://doi.org/10.1117/12.2590038
Event: SPIE OPTO, 2021, Online Only

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. They are therefore enablers of extremely strong light-matter interactions at these long wavelengths. However, owing to their large momentum they are also challenging to excite and detect. Here, we demonstrate a new way to excite AGPs that are confined to nanometric-scale cavities directly from the far-field, 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, which are over a billion times smaller than their free-space volume.

Conference Presentation

Citation Download Citation

Itai Epstein, David Alcaraz, Zhiqin Huang, Varun-Varma Pusapati, Jean-Paul Hugonin, Avinash Kumar, Xander Deputy, Tymofiy Khodkov, Tatiana G. Rappoport, Jin-Yong Hong, Nuno M. R. Peres, Jing Kong, David R. Smith, and Frank H. L. Koppens "Demonstration of ultra-small MIR acoustic-graphene-plasmon cavities based on magnetic resonators", Proc. SPIE 11688, 2D Photonic Materials and Devices IV, 116880X (5 March 2021); https://doi.org/10.1117/12.2590038

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