Issue 30, 2017
From the journal:

Nanoscale

Design and characterization of a plasmonic Doppler grating for azimuthal angle-resolved surface plasmon resonances†

Kel-Meng See,‡a   Fan-Cheng Lin‡a  and  Jer-Shing Huang ORCID logo *abc  

* Corresponding authors

a Department of Chemistry, National Tsing Hua University, 101 Sec. 2, Kuang-Fu Road, Hsinchu 30013, Taiwan
E-mail: jer-shing.huang@leibniz-ipht.de

b Leibniz Institute of Photonic Technology, Albert-Einstein Str. 9, 07745 Jena, Germany

c Research Center for Applied Sciences, 128 Sec. 2, Academia Road, Nankang, Taipei 11529, Taiwan

Abstract

We present a two-dimensional plasmonic Doppler grating (PDG) for broadband and azimuthal angle-resolved nanophotonic applications. The PDG consists of a set of non-concentric circular rings mimicking the wavefronts of a moving point source that exhibits the Doppler effect and thereby offers a continuous azimuthal angle-dependent lattice momentum for photon–plasmon coupling. The center and span of the working frequency window are fully designable for optimal performance in specific applications. We detail the design, fabrication and optical characterization of the PDG. The design of the Doppler grating provides a general platform for in-plane angle-resolved nanophotonic applications.

Graphical abstract: Design and characterization of a plasmonic Doppler grating for azimuthal angle-resolved surface plasmon resonances

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Article information

DOI
https://doi.org/10.1039/C7NR01509G
Article type
Paper
Submitted
01 Mar 2017
Accepted
22 Jun 2017
First published
23 Jun 2017

Nanoscale, 2017,9, 10811-10819

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Design and characterization of a plasmonic Doppler grating for azimuthal angle-resolved surface plasmon resonances

K. See, F. Lin and J. Huang, Nanoscale, 2017, 9, 10811 DOI: 10.1039/C7NR01509G

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