Slow-plasmon resonant-nanostrip antennas: Analysis and demonstration

Thomas Søndergaard; J. Beermann; Alexandra Boltasseva; S.I. Bozhevolnyi

doi:10.1103/PhysRevB.77.115420

Slow-plasmon resonant-nanostrip antennas: Analysis and demonstration

Thomas Søndergaard, J. Beermann, Alexandra Boltasseva, S.I. Bozhevolnyi

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Abstract

Resonant scattering by gold nanostrip antennas due to constructive interference of counterpropagating slow surface plasmon polaritons (SPPs) is analyzed, including the quasistatic limit of ultrasmall antennas, and experimentally demonstrated. The phase of slow SPP reflection by strip ends is found from scattering spectra revealing the influence of non-SPP field components. Experimental scattering spectra of gold 17- and 23-nm-thin strips of 100-500 nm widths placed on quartz and covered with index-matching oil are in excellent agreement with theoretical predictions.

Original language	English
Journal	Physical Review B Condensed Matter
Volume	77
Issue number	11
Pages (from-to)	115420
ISSN	0163-1829
DOIs	https://doi.org/10.1103/PhysRevB.77.115420
Publication status	Published - 2008

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abstract = "Resonant scattering by gold nanostrip antennas due to constructive interference of counterpropagating slow surface plasmon polaritons (SPPs) is analyzed, including the quasistatic limit of ultrasmall antennas, and experimentally demonstrated. The phase of slow SPP reflection by strip ends is found from scattering spectra revealing the influence of non-SPP field components. Experimental scattering spectra of gold 17- and 23-nm-thin strips of 100-500 nm widths placed on quartz and covered with index-matching oil are in excellent agreement with theoretical predictions.",

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AU - Søndergaard, Thomas

AU - Beermann, J.

AU - Boltasseva, Alexandra

AU - Bozhevolnyi, S.I.

PY - 2008

Y1 - 2008

N2 - Resonant scattering by gold nanostrip antennas due to constructive interference of counterpropagating slow surface plasmon polaritons (SPPs) is analyzed, including the quasistatic limit of ultrasmall antennas, and experimentally demonstrated. The phase of slow SPP reflection by strip ends is found from scattering spectra revealing the influence of non-SPP field components. Experimental scattering spectra of gold 17- and 23-nm-thin strips of 100-500 nm widths placed on quartz and covered with index-matching oil are in excellent agreement with theoretical predictions.

AB - Resonant scattering by gold nanostrip antennas due to constructive interference of counterpropagating slow surface plasmon polaritons (SPPs) is analyzed, including the quasistatic limit of ultrasmall antennas, and experimentally demonstrated. The phase of slow SPP reflection by strip ends is found from scattering spectra revealing the influence of non-SPP field components. Experimental scattering spectra of gold 17- and 23-nm-thin strips of 100-500 nm widths placed on quartz and covered with index-matching oil are in excellent agreement with theoretical predictions.

U2 - 10.1103/PhysRevB.77.115420

DO - 10.1103/PhysRevB.77.115420

M3 - Journal article

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JO - Physical Review B

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SN - 2469-9950

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ER -

Slow-plasmon resonant-nanostrip antennas: Analysis and demonstration

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