Optical response of dipole antennas on an epsilon-near-zero substrate

Sebastian A. Schulz; Asad A. Tahir; M. Zahirul Alam; Jeremy Upham; Israel De Leon; Robert W. Boyd

doi:10.1103/PhysRevA.93.063846

Optical response of dipole antennas on an epsilon-near-zero substrate

Sebastian A. Schulz, Asad A. Tahir, M. Zahirul Alam, Jeremy Upham, Israel De Leon, Robert W. Boyd

School of Physics and Astronomy

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

Abstract

Materials with vanishing permittivity (epsilon-near-zero or ENZ materials) show unconventional optical behavior. Here we show that plasmonic dipole antennas on an ultrathin ENZ substrate have properties significantly different from antennas on a traditional substrate. Specifically, the presence of a 23-nm-thick ENZ material strongly modifies the linear response of plasmonic antennas and, as a result, the resonant wavelength is independent of the linear dimensions of the dipole antenna.

Original language	English
Article number	063846
Number of pages	4
Journal	Physical Review. A, Atomic, molecular, and optical physics
Volume	93
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevA.93.063846
Publication status	Published - 27 Jun 2016

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title = "Optical response of dipole antennas on an epsilon-near-zero substrate",

abstract = "Materials with vanishing permittivity (epsilon-near-zero or ENZ materials) show unconventional optical behavior. Here we show that plasmonic dipole antennas on an ultrathin ENZ substrate have properties significantly different from antennas on a traditional substrate. Specifically, the presence of a 23-nm-thick ENZ material strongly modifies the linear response of plasmonic antennas and, as a result, the resonant wavelength is independent of the linear dimensions of the dipole antenna.",

author = "Schulz, {Sebastian A.} and Tahir, {Asad A.} and Alam, {M. Zahirul} and Jeremy Upham and {De Leon}, Israel and Boyd, {Robert W.}",

note = "We gratefully acknowledge the support of the Canada Excellence Research Chair (CERC) program and from NSERC.",

year = "2016",

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doi = "10.1103/PhysRevA.93.063846",

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AU - Schulz, Sebastian A.

AU - Tahir, Asad A.

AU - Alam, M. Zahirul

AU - Upham, Jeremy

AU - De Leon, Israel

AU - Boyd, Robert W.

N1 - We gratefully acknowledge the support of the Canada Excellence Research Chair (CERC) program and from NSERC.

PY - 2016/6/27

Y1 - 2016/6/27

N2 - Materials with vanishing permittivity (epsilon-near-zero or ENZ materials) show unconventional optical behavior. Here we show that plasmonic dipole antennas on an ultrathin ENZ substrate have properties significantly different from antennas on a traditional substrate. Specifically, the presence of a 23-nm-thick ENZ material strongly modifies the linear response of plasmonic antennas and, as a result, the resonant wavelength is independent of the linear dimensions of the dipole antenna.

AB - Materials with vanishing permittivity (epsilon-near-zero or ENZ materials) show unconventional optical behavior. Here we show that plasmonic dipole antennas on an ultrathin ENZ substrate have properties significantly different from antennas on a traditional substrate. Specifically, the presence of a 23-nm-thick ENZ material strongly modifies the linear response of plasmonic antennas and, as a result, the resonant wavelength is independent of the linear dimensions of the dipole antenna.

U2 - 10.1103/PhysRevA.93.063846

DO - 10.1103/PhysRevA.93.063846

M3 - Article

SN - 2469-9926

VL - 93

JO - Physical Review. A, Atomic, molecular, and optical physics

JF - Physical Review. A, Atomic, molecular, and optical physics

IS - 6

M1 - 063846

ER -

Optical response of dipole antennas on an epsilon-near-zero substrate

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