Engineering the phase speed of surface-plasmon wave at the planar interface of a metal and a chiral sculptured thin film

Lakhtakia, Akhlesh; Polo, John A.

doi:10.1002/mop.23511

Cited by 4 publications

(1 citation statement)

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“…The resulting assembly is a sculptured thin film (STF) that is structurally chiral (Lakhtakia & Messier 2005), just like a chiral smectic liquid crystal (de Gennes & Prost 1993). In the Kretschmann configuration (Kretschmann & Raether 1968;Simon et al 1975), SPP wave propagation along the planar interface of a metal and a structurally chiral material has been theoretically demonstrated (Lakhtakia 2007); furthermore, we recently showed that the choice of the vapour incidence angle c v during fabrication must significantly affect the propagation characteristics (Lakhtakia & Polo 2008b), if the structurally chiral material is a chiral STF.…”

Section: Introductionmentioning

confidence: 99%

On the surface plasmon polariton wave at the planar interface of a metal and a chiral sculptured thin film

Polo

Lakhtakia

2008

Proc. R. Soc. A.

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The solution of a dispersion equation indicates the theoretical existence of multiple modes of surface plasmon polariton wave propagation at the planar interface of a metal and a chiral sculptured thin film (STF). One mode appears to occur over a wide range of the structural period of the chiral STF, while all other modes exist only above some minimum value of the structural period, the minimum value being different for each mode. In order to excite the different modes, the interface can be incorporated in the commonplace Kretschmann configuration, for which our calculations show that the efficient excitation of different modes would require different numbers of structural periods of the chiral STF.

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Section: Introductionmentioning

confidence: 99%

On the surface plasmon polariton wave at the planar interface of a metal and a chiral sculptured thin film

Polo

Lakhtakia

2008

Proc. R. Soc. A.

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Surface electromagnetic waves: A review

Polo

Lakhtakia

2011

Laser & Photonics Reviews

181

107

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From the beginning of the 20th century, researchers have been interested in surface electromagnetic waves guided by planar interfaces of dissimilar mediums. Much initial research on surface-plasmon waves and surface-plasmonpolariton waves stemmed from theoretical curiosity, but the development of new experimental techniques propelled commercial exploitation for optical sensors of chemical and biological species. Additional surface waves called Dyakonov waves, Tamm waves, and Dyakonov-Tamm waves have emerged during the last 25 years. Experimental observation of Dyakonov waves was reported only in 2009, but the rapid development of experimental apparatus during the 1990s suggests that theoretical predictions will soon be evaluated experimentally, leading to further development of optical detection systems and optical circuitry.

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