Direct observation of photonic Fermi surfaces by plasmon tomography

C. J. Regan; A. Krishnan; R. Lopez-Boada; L. Grave De Peralta; A. A. Bernussi

doi:10.1063/1.3581050

Direct observation of photonic Fermi surfaces by plasmon tomography

C. J. Regan, A. Krishnan, R. Lopez-Boada, L. Grave De Peralta, A. A. Bernussi

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25 Scopus citations

Abstract

Light propagation in dielectric plasmonic crystals with different parameters and symmetries was investigated by plasmon tomography. We show that the photonic Fermi surfaces at the crystal's reciprocal lattice space can be observed directly from the Fourier plane images. Directional gaps were observed where the isofrequency wavevectors of the propagating surface plasmon mode intersect the first Brillouin zone of the plasmonic crystal structures. We determined that the angular magnitude of the directional gaps depends strongly on the crystal symmetry and the lattice period.

Original language	English
Article number	151113
Journal	Applied Physics Letters
Volume	98
Issue number	15
DOIs	https://doi.org/10.1063/1.3581050
State	Published - Apr 11 2011

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title = "Direct observation of photonic Fermi surfaces by plasmon tomography",

abstract = "Light propagation in dielectric plasmonic crystals with different parameters and symmetries was investigated by plasmon tomography. We show that the photonic Fermi surfaces at the crystal's reciprocal lattice space can be observed directly from the Fourier plane images. Directional gaps were observed where the isofrequency wavevectors of the propagating surface plasmon mode intersect the first Brillouin zone of the plasmonic crystal structures. We determined that the angular magnitude of the directional gaps depends strongly on the crystal symmetry and the lattice period.",

author = "Regan, {C. J.} and A. Krishnan and R. Lopez-Boada and {Grave De Peralta}, L. and Bernussi, {A. A.}",

note = "Funding Information: This work was partially supported by the NSF CAREER (Award No. ECCS-0954490), U.S. Army CERDEC (Contract No. W15P7T-07-D-P040), and by the J. F. Maddox Foundation.",

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AU - Regan, C. J.

AU - Krishnan, A.

AU - Lopez-Boada, R.

AU - Grave De Peralta, L.

AU - Bernussi, A. A.

N1 - Funding Information: This work was partially supported by the NSF CAREER (Award No. ECCS-0954490), U.S. Army CERDEC (Contract No. W15P7T-07-D-P040), and by the J. F. Maddox Foundation.

PY - 2011/4/11

Y1 - 2011/4/11

N2 - Light propagation in dielectric plasmonic crystals with different parameters and symmetries was investigated by plasmon tomography. We show that the photonic Fermi surfaces at the crystal's reciprocal lattice space can be observed directly from the Fourier plane images. Directional gaps were observed where the isofrequency wavevectors of the propagating surface plasmon mode intersect the first Brillouin zone of the plasmonic crystal structures. We determined that the angular magnitude of the directional gaps depends strongly on the crystal symmetry and the lattice period.

AB - Light propagation in dielectric plasmonic crystals with different parameters and symmetries was investigated by plasmon tomography. We show that the photonic Fermi surfaces at the crystal's reciprocal lattice space can be observed directly from the Fourier plane images. Directional gaps were observed where the isofrequency wavevectors of the propagating surface plasmon mode intersect the first Brillouin zone of the plasmonic crystal structures. We determined that the angular magnitude of the directional gaps depends strongly on the crystal symmetry and the lattice period.

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JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 15

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Direct observation of photonic Fermi surfaces by plasmon tomography

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