Bidirectional surface wave splitter at visible frequencies

Qiaoqiang Gan; Filbert J. Bartoli

doi:10.1364/OL.35.004181

Bidirectional surface wave splitter at visible frequencies

Qiaoqiang Gan, Filbert J. Bartoli

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

47 Scopus citations

Abstract

We experimentally demonstrate a metal-film bidirectional surface wave splitter for guiding light at two visible wavelengths in opposite directions. Two nanoscale gratings were patterned on opposite sides of a subwavelength slit. The metallic surface grating structures were tailored geometrically to have different plasmonic bandgaps, enabling each grating to guide light of one wavelength and prohibit propagation at the other wavelength. The locations of the bandgaps were experimentally confirmed by interferometric measurements. Based on these design principles, a green-red bidirectional surface wave splitter is demonstrated, and the observed optical properties are shown to agree with theoretical predictions. © 2010 Optical Society of America.

Original language	English (US)
Pages (from-to)	4181-4183
Number of pages	3
Journal	Optics Letters
Volume	35
Issue number	24
DOIs	https://doi.org/10.1364/OL.35.004181
State	Published - Dec 15 2010
Externally published	Yes

Bibliographical note

Generated from Scopus record by KAUST IRTS on 2022-09-13

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.35.004181

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title = "Bidirectional surface wave splitter at visible frequencies",

abstract = "We experimentally demonstrate a metal-film bidirectional surface wave splitter for guiding light at two visible wavelengths in opposite directions. Two nanoscale gratings were patterned on opposite sides of a subwavelength slit. The metallic surface grating structures were tailored geometrically to have different plasmonic bandgaps, enabling each grating to guide light of one wavelength and prohibit propagation at the other wavelength. The locations of the bandgaps were experimentally confirmed by interferometric measurements. Based on these design principles, a green-red bidirectional surface wave splitter is demonstrated, and the observed optical properties are shown to agree with theoretical predictions. {\textcopyright} 2010 Optical Society of America.",

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doi = "10.1364/OL.35.004181",

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AU - Bartoli, Filbert J.

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PY - 2010/12/15

Y1 - 2010/12/15

N2 - We experimentally demonstrate a metal-film bidirectional surface wave splitter for guiding light at two visible wavelengths in opposite directions. Two nanoscale gratings were patterned on opposite sides of a subwavelength slit. The metallic surface grating structures were tailored geometrically to have different plasmonic bandgaps, enabling each grating to guide light of one wavelength and prohibit propagation at the other wavelength. The locations of the bandgaps were experimentally confirmed by interferometric measurements. Based on these design principles, a green-red bidirectional surface wave splitter is demonstrated, and the observed optical properties are shown to agree with theoretical predictions. © 2010 Optical Society of America.

AB - We experimentally demonstrate a metal-film bidirectional surface wave splitter for guiding light at two visible wavelengths in opposite directions. Two nanoscale gratings were patterned on opposite sides of a subwavelength slit. The metallic surface grating structures were tailored geometrically to have different plasmonic bandgaps, enabling each grating to guide light of one wavelength and prohibit propagation at the other wavelength. The locations of the bandgaps were experimentally confirmed by interferometric measurements. Based on these design principles, a green-red bidirectional surface wave splitter is demonstrated, and the observed optical properties are shown to agree with theoretical predictions. © 2010 Optical Society of America.

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DO - 10.1364/OL.35.004181

M3 - Article

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EP - 4183

JO - Optics Letters

JF - Optics Letters

IS - 24

ER -

Bidirectional surface wave splitter at visible frequencies

Abstract

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ASJC Scopus subject areas

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