A TM-Pass/TE-Stop Polarizer Based on a Surface Plasmon Resonance | Zendy

Yuu Wakabayashi | Zendy; Junji Yamauchi | Zendy; Hisamatsu Nakano | Zendy

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A TM-Pass/TE-Stop Polarizer Based on a Surface Plasmon Resonance

Author(s) -

Yuu Wakabayashi,

Junji Yamauchi,

Hisamatsu Nakano

Publication year - 2010

Publication title -

advances in optoelectronics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.118

H-Index - 21

eISSN - 1687-5648

pISSN - 1687-563X

DOI - 10.1155/2011/867271

Subject(s) - polarizer , optics , grating , materials science , extinction ratio , wavelength , dielectric , surface plasmon resonance , surface plasmon , resonance (particle physics) , extinction (optical mineralogy) , finite difference time domain method , plasmon , optoelectronics , physics , nanotechnology , atomic physics , birefringence , nanoparticle

A TM-pass/TE-stop polarizer consisting of ametal film sandwiched between dielectric gratings is investigatedusing the finite-difference time-domain method. Atnormal incidence with respect to the grating plane, a transmissivityof more than 94% and a reflectivity of more than98% are obtained at =1.55 m for the TM and TE waves,respectively. The extinction ratio is more than 17 dB overa wavelength range of 1.50 m to 1.75 m. A high extinctionratio is maintained at oblique incidence, although thewavelength range shifts towards longer wavelengths. TheTM-pass/TE-stop operation is also achieved with a modifiedstructure, in which a dielectric grating is sandwichedbetween metal films

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