Asymmetric coupling and dispersion of surface-plasmon-polariton waves on a periodically patterned anisotropic metal film

Jhuma Dutta; S. Anantha Ramakrishna; Akhlesh Lakhtakia

doi:10.1063/1.4904345

Asymmetric coupling and dispersion of surface-plasmon-polariton waves on a periodically patterned anisotropic metal film

Jhuma Dutta
, S. Anantha Ramakrishna
, Akhlesh Lakhtakia

Engineering Science and Mechanics

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

9 Scopus citations

Abstract

The morphology of a columnar thin film (CTF) of silver renders it an effectively biaxially anisotropic continuum. CTFs of silver deposited on one-dimensional gratings of photoresist showed strong blazing action and asymmetrically coupled optical radiation to surface-plasmon-polariton (SPP) waves propagating only along one direction supported by either the CTF/photoresist or the CTF/air interfaces. Homogenization of the CTFs using the Bruggeman formalism revealed them to display hyperbolic dispersion, and the dispersion of SPP waves was adequately described thereby.

Original language	English (US)
Article number	013102
Journal	Journal of Applied Physics
Volume	117
Issue number	1
DOIs	https://doi.org/10.1063/1.4904345
State	Published - Jan 7 2015

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1063/1.4904345

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abstract = "The morphology of a columnar thin film (CTF) of silver renders it an effectively biaxially anisotropic continuum. CTFs of silver deposited on one-dimensional gratings of photoresist showed strong blazing action and asymmetrically coupled optical radiation to surface-plasmon-polariton (SPP) waves propagating only along one direction supported by either the CTF/photoresist or the CTF/air interfaces. Homogenization of the CTFs using the Bruggeman formalism revealed them to display hyperbolic dispersion, and the dispersion of SPP waves was adequately described thereby.",

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AU - Dutta, Jhuma

AU - Ramakrishna, S. Anantha

AU - Lakhtakia, Akhlesh

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Y1 - 2015/1/7

N2 - The morphology of a columnar thin film (CTF) of silver renders it an effectively biaxially anisotropic continuum. CTFs of silver deposited on one-dimensional gratings of photoresist showed strong blazing action and asymmetrically coupled optical radiation to surface-plasmon-polariton (SPP) waves propagating only along one direction supported by either the CTF/photoresist or the CTF/air interfaces. Homogenization of the CTFs using the Bruggeman formalism revealed them to display hyperbolic dispersion, and the dispersion of SPP waves was adequately described thereby.

AB - The morphology of a columnar thin film (CTF) of silver renders it an effectively biaxially anisotropic continuum. CTFs of silver deposited on one-dimensional gratings of photoresist showed strong blazing action and asymmetrically coupled optical radiation to surface-plasmon-polariton (SPP) waves propagating only along one direction supported by either the CTF/photoresist or the CTF/air interfaces. Homogenization of the CTFs using the Bruggeman formalism revealed them to display hyperbolic dispersion, and the dispersion of SPP waves was adequately described thereby.

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UR - https://www.scopus.com/pages/publications/84923582745#tab=citedBy

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JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 1

M1 - 013102

ER -

Asymmetric coupling and dispersion of surface-plasmon-polariton waves on a periodically patterned anisotropic metal film

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