Compact Z-add-drop wavelength filters for long-range surface plasmon polaritons | Zendy

Alexandra Boltasseva | Zendy; Sergey I. Bozhevolnyi | Zendy; Thomas Søndergaard | Zendy; Thomas Nikolajsen | Zendy; Kristján Leósson | Zendy

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Compact Z-add-drop wavelength filters for long-range surface plasmon polaritons

Author(s) -

Alexandra Boltasseva,

Sergey I. Bozhevolnyi,

Thomas Søndergaard,

Thomas Nikolajsen,

Kristján Leósson

Publication year - 2005

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.13.004237

Subject(s) - surface plasmon polariton , optics , materials science , surface plasmon , wavelength , grating , diffraction grating , plasmon , drop (telecommunication) , polariton , extraordinary optical transmission , localized surface plasmon , optoelectronics , physics , telecommunications , computer science

We design, fabricate and investigate compact Z-add-drop (ZAD) filters for long-range surface plasmon polaritons (LR-SPPs) at telecom wavelengths. The ZAD filter for LR-SPPs consists of two ridge gratings formed by periodic gold thickness modulation at the intersections of three zigzag-crossed gold stripes embedded in polymer. We investigate influence of the grating length and crossing angle on the filter characteristics and demonstrate a 10 masculine- ZAD filter based on 80-microm-long gratings that exhibit a 15-dB dip (centered at ~ 1.55 microm) in transmission of the direct arm along with the corresponding ~ 13-nm-wide transmission peak in the drop arm.

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