Tunable Terahertz Hybrid Metal–Graphene Plasmons

Published/Posted: October 14, 2015

Authors: Jadidi, M. M.; Sushkov, A. B.; Myers-Ward, R. L.; Boyd, A. K; Daniels, K. M.; Gaskill, D. K.; Fuhrer, M. S.; Drew, H. D.; Murphy, T. E.

DOI: 10.1021/acs.nanolett.5b03191

Abstract: We report here a new type of plasmon resonance that occurs when graphene is connected to a metal. These new plasmon modes offer the potential to incorporate a tunable plasmonic channel into a device with electrical contacts, a critical step toward practical graphene terahertz optoelectronics. Through theory and experiments, we demonstrate, for example, anomalously high resonant absorption or transmission when subwavelength graphene-filled apertures are introduced into an otherwise conductive layer. These tunable plasmon resonances are essential yet missing ingredients needed for terahertz filters, oscillators, detectors, and modulators.

Citation:
M. M. Jadidi, A. B. Sushkov, R. L. Myers-Ward, A. K. Boyd, K. M. Daniels, D. K. Gaskill, M. S. Fuhrer, H. D. Drew and T. E. Murphy, "Tunable Terahertz Hybrid Metal–Graphene Plasmons", Nano Lett. 15(10) 7099-7104 (2015)
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Manuscript: Jadidi_NanoLett_15_7099_2015.pdf

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