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Ultrafast graphene photonics for futuristic generation of datacoms
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Paper Abstract

In a three-level system, actively detuning coupling strength between the respective waveguide modes via electrically gating the graphene double-layer allows ultra-fast switching of light propagating through the outer waveguides. In adiabatic elimination regime, the amplitude of the middle waveguide oscillates much faster in comparison to the outer waveguides leading to a vanishing field build up. As a result, the middle waveguide becomes a dark state and hence a low insertion-loss of 1 dB is obtained. Due to the direct dependency of applied voltage with respect to the absorption in graphene, sub-volt operation with modulation-depth of 5 dB is expected.

Paper Details

Date Published: 19 March 2019
PDF: 1 pages
Proc. SPIE 10924, Optical Interconnects XIX, 1092419 (19 March 2019); doi: 10.1117/12.2509155
Show Author Affiliations
Elham Heidari, The Univ. of Texas at Austin (United States)
Zhizhen Ma, The George Washington Univ. (United States)
Hamed Dalir, Omega Optics, Inc. (United States)
Vahid Esfandyarpour, Stanford Univ. (United States)
Volker J. Sorger, The George Washington Univ. (United States)
Ray T. Chen, The Univ. of Texas at Austin (United States)

Published in SPIE Proceedings Vol. 10924:
Optical Interconnects XIX
Henning Schröder; Ray T. Chen, Editor(s)

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