Unidirectional and bidirectional coupling of surface plasmons based on a nonperiodic nano slit array

Aparna Udupi; Mruthyunjaya Somasekhara Handigod; Sathish Madhava Kumar

doi:10.4302/plp.v10i1.745

Unidirectional and bidirectional coupling of surface plasmons based on a nonperiodic nano slit array

Aparna Udupi
, Mruthyunjaya Somasekhara Handigod
, Sathish Madhava Kumar

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

1 Citation (Scopus)

Abstract

A 2D structure is proposed, made up of nano slits to couple free space mode of any given wave front to a propagating Surface Plasmon Polariton (SPP) mode of Metal Insulator Metal (MIM) waveguide. The structure can be designed to act as either a unidirectional or bidirectional coupler. Designed structures are simulated using an FEM technique and results for circular and plane wave fronts are demonstrated. From the results obtained, it is observed that there is an optimum aperture size for coupling maximum power into the MIM waveguide for the case of a circular wave front.

Original language	English
Pages (from-to)	17-19
Number of pages	3
Journal	Photonics Letters of Poland
Volume	10
Issue number	1
DOIs	https://doi.org/10.4302/plp.v10i1.745
Publication status	Published - 01-01-2018

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials

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10.4302/plp.v10i1.745

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abstract = "A 2D structure is proposed, made up of nano slits to couple free space mode of any given wave front to a propagating Surface Plasmon Polariton (SPP) mode of Metal Insulator Metal (MIM) waveguide. The structure can be designed to act as either a unidirectional or bidirectional coupler. Designed structures are simulated using an FEM technique and results for circular and plane wave fronts are demonstrated. From the results obtained, it is observed that there is an optimum aperture size for coupling maximum power into the MIM waveguide for the case of a circular wave front.",

author = "Aparna Udupi and Handigod, \{Mruthyunjaya Somasekhara\} and Kumar, \{Sathish Madhava\}",

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AU - Udupi, Aparna

AU - Handigod, Mruthyunjaya Somasekhara

AU - Kumar, Sathish Madhava

PY - 2018/1/1

Y1 - 2018/1/1

N2 - A 2D structure is proposed, made up of nano slits to couple free space mode of any given wave front to a propagating Surface Plasmon Polariton (SPP) mode of Metal Insulator Metal (MIM) waveguide. The structure can be designed to act as either a unidirectional or bidirectional coupler. Designed structures are simulated using an FEM technique and results for circular and plane wave fronts are demonstrated. From the results obtained, it is observed that there is an optimum aperture size for coupling maximum power into the MIM waveguide for the case of a circular wave front.

AB - A 2D structure is proposed, made up of nano slits to couple free space mode of any given wave front to a propagating Surface Plasmon Polariton (SPP) mode of Metal Insulator Metal (MIM) waveguide. The structure can be designed to act as either a unidirectional or bidirectional coupler. Designed structures are simulated using an FEM technique and results for circular and plane wave fronts are demonstrated. From the results obtained, it is observed that there is an optimum aperture size for coupling maximum power into the MIM waveguide for the case of a circular wave front.

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Unidirectional and bidirectional coupling of surface plasmons based on a nonperiodic nano slit array

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