Tunability and Robustness of Dirac Points of Photonic Nanostructures

Hanying Deng; Xianfeng Chen; Boris A. Malomed; Nicolae C. Panoiu; Fangwei Ye

doi:10.1109/JSTQE.2016.2521711

Tunability and Robustness of Dirac Points of Photonic Nanostructures

Hanying Deng^*, Xianfeng Chen, Boris A. Malomed, Nicolae C. Panoiu, Fangwei Ye

^*Corresponding author for this work

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

We study the tunability and robustness of photonic Dirac points (DPs) in plasmonic nanostructures. The tunability of the DP is demonstrated in graphene-based photonic superlattices by adjusting the graphene permittivity via the optical Kerr effect or electrical doping. The robustness of DPs is demonstrated in plasmonic lattices by showing that even very high levels of disorder are unable to localize the modes located near the DP. The robustness of the DP also manifests itself in the fact that the inversely-proportional dependence of the transmission on the lattice length near the DP remains unchanged under strong disorder.

Original language	English
Article number	5000509
Pages (from-to)	98-106
Number of pages	9
Journal	IEEE Journal of Selected Topics in Quantum Electronics
Volume	22
Issue number	5
DOIs	https://doi.org/10.1109/JSTQE.2016.2521711
State	Published - 1 Sep 2016

Keywords

Dirac points
Graphene
photonic superlattices
structural disorder
transmission

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10.1109/JSTQE.2016.2521711

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title = "Tunability and Robustness of Dirac Points of Photonic Nanostructures",

abstract = "We study the tunability and robustness of photonic Dirac points (DPs) in plasmonic nanostructures. The tunability of the DP is demonstrated in graphene-based photonic superlattices by adjusting the graphene permittivity via the optical Kerr effect or electrical doping. The robustness of DPs is demonstrated in plasmonic lattices by showing that even very high levels of disorder are unable to localize the modes located near the DP. The robustness of the DP also manifests itself in the fact that the inversely-proportional dependence of the transmission on the lattice length near the DP remains unchanged under strong disorder.",

keywords = "Dirac points, Graphene, photonic superlattices, structural disorder, transmission",

author = "Hanying Deng and Xianfeng Chen and Malomed, {Boris A.} and Panoiu, {Nicolae C.} and Fangwei Ye",

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AU - Deng, Hanying

AU - Chen, Xianfeng

AU - Malomed, Boris A.

AU - Panoiu, Nicolae C.

AU - Ye, Fangwei

PY - 2016/9/1

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N2 - We study the tunability and robustness of photonic Dirac points (DPs) in plasmonic nanostructures. The tunability of the DP is demonstrated in graphene-based photonic superlattices by adjusting the graphene permittivity via the optical Kerr effect or electrical doping. The robustness of DPs is demonstrated in plasmonic lattices by showing that even very high levels of disorder are unable to localize the modes located near the DP. The robustness of the DP also manifests itself in the fact that the inversely-proportional dependence of the transmission on the lattice length near the DP remains unchanged under strong disorder.

AB - We study the tunability and robustness of photonic Dirac points (DPs) in plasmonic nanostructures. The tunability of the DP is demonstrated in graphene-based photonic superlattices by adjusting the graphene permittivity via the optical Kerr effect or electrical doping. The robustness of DPs is demonstrated in plasmonic lattices by showing that even very high levels of disorder are unable to localize the modes located near the DP. The robustness of the DP also manifests itself in the fact that the inversely-proportional dependence of the transmission on the lattice length near the DP remains unchanged under strong disorder.

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KW - photonic superlattices

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Tunability and Robustness of Dirac Points of Photonic Nanostructures

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