Theoretical analysis of square surface plasmon-polariton waveguides for long-range polarization-independent waveguiding

Jesper Jung, Thomas Søndergaard, Sergey Bozhevolnyi

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

Udgivelsesdato: JUL
OriginalsprogEngelsk
Artikelnummer035434
TidsskriftPhysical Review B. Condensed Matter and Materials Physics
Vol/bind76
Udgave nummer3
ISSN1098-0121
DOI
StatusUdgivet - 1. jul. 2007
Udgivet eksterntJa

Fingeraftryk

polaritons
Waveguides
Polarization
waveguides
Metals
polarization
rods
metals
Schematic diagrams
Gold
Numerical analysis
Polymers
circuit diagrams
configurations
Finite element method
Wavelength
numerical analysis
Networks (circuits)
finite element method
gold

Citer dette

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title = "Theoretical analysis of square surface plasmon-polariton waveguides for long-range polarization-independent waveguiding",
abstract = "Bound electromagnetic modes supported by a square metal rod embedded in a lossless dielectric medium are determined and characterized. Based on the symmetry of the waveguide configuration, a schematic overview of the supported fundamental modes is given. These fundamental modes are related to coupling between four corner modes associated with individual metal corners of the square rod waveguide. Utilizing the finite element method a numerical analysis of the waveguide is performed at telecom wavelengths (∼1550 nm). The mode dispersion with the rod size, mode field orientations, profiles, and widths are presented. Unlike thin metal stripe waveguides, the square metal waveguide is shown to support long-range surface plasmon-polariton modes for both polarizations. The configuration studied is a gold core embedded in a polymer (benzocyclobutene). Surface plasmon-polariton modes of both polarizations are shown to be guided with a propagation length of approximately 3 mm for a metal core size of 200×200 nm2. The possibility of long-range polarization-independent transmission of surface plasmon-polariton modes makes the square surface plasmon-polariton waveguide unique and a promising optical component, from which future plasmonic interconnects and circuits can benefit.",
author = "Jesper Jung and Thomas S{\o}ndergaard and Sergey Bozhevolnyi",
note = "Artikel No. 035434",
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Theoretical analysis of square surface plasmon-polariton waveguides for long-range polarization-independent waveguiding. / Jung, Jesper; Søndergaard, Thomas; Bozhevolnyi, Sergey.

I: Physical Review B. Condensed Matter and Materials Physics, Bind 76, Nr. 3, 035434, 01.07.2007.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Theoretical analysis of square surface plasmon-polariton waveguides for long-range polarization-independent waveguiding

AU - Jung, Jesper

AU - Søndergaard, Thomas

AU - Bozhevolnyi, Sergey

N1 - Artikel No. 035434

PY - 2007/7/1

Y1 - 2007/7/1

N2 - Bound electromagnetic modes supported by a square metal rod embedded in a lossless dielectric medium are determined and characterized. Based on the symmetry of the waveguide configuration, a schematic overview of the supported fundamental modes is given. These fundamental modes are related to coupling between four corner modes associated with individual metal corners of the square rod waveguide. Utilizing the finite element method a numerical analysis of the waveguide is performed at telecom wavelengths (∼1550 nm). The mode dispersion with the rod size, mode field orientations, profiles, and widths are presented. Unlike thin metal stripe waveguides, the square metal waveguide is shown to support long-range surface plasmon-polariton modes for both polarizations. The configuration studied is a gold core embedded in a polymer (benzocyclobutene). Surface plasmon-polariton modes of both polarizations are shown to be guided with a propagation length of approximately 3 mm for a metal core size of 200×200 nm2. The possibility of long-range polarization-independent transmission of surface plasmon-polariton modes makes the square surface plasmon-polariton waveguide unique and a promising optical component, from which future plasmonic interconnects and circuits can benefit.

AB - Bound electromagnetic modes supported by a square metal rod embedded in a lossless dielectric medium are determined and characterized. Based on the symmetry of the waveguide configuration, a schematic overview of the supported fundamental modes is given. These fundamental modes are related to coupling between four corner modes associated with individual metal corners of the square rod waveguide. Utilizing the finite element method a numerical analysis of the waveguide is performed at telecom wavelengths (∼1550 nm). The mode dispersion with the rod size, mode field orientations, profiles, and widths are presented. Unlike thin metal stripe waveguides, the square metal waveguide is shown to support long-range surface plasmon-polariton modes for both polarizations. The configuration studied is a gold core embedded in a polymer (benzocyclobutene). Surface plasmon-polariton modes of both polarizations are shown to be guided with a propagation length of approximately 3 mm for a metal core size of 200×200 nm2. The possibility of long-range polarization-independent transmission of surface plasmon-polariton modes makes the square surface plasmon-polariton waveguide unique and a promising optical component, from which future plasmonic interconnects and circuits can benefit.

U2 - 10.1103/PhysRevB.76.035434

DO - 10.1103/PhysRevB.76.035434

M3 - Journal article

VL - 76

JO - Physical Review B

JF - Physical Review B

SN - 1098-0121

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