Creating surface plasmon orbital angular momentum in a gold metasurface

Ching-Fu Chen; Chen-Ta Ku; Ming-Yang Pan; Pei-Kuen Wei; Chen-Bin Huang

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Creating surface plasmon orbital angular momentum in a gold metasurface

Ching-Fu Chen, Chen-Ta Ku, Ming-Yang Pan, Pei-Kuen Wei and Chen-Bin Huang

Conference on Lasers and Electro-Optics Europe - Technical Digest, Vol.2015-August, 7183402

10/08/2015

Abstract

Gold

Optical films

Optical polarization

Optical scattering

Optical vortices

Plasmons

Spirals

Nanocavities inscribed in a gold thin film is optimized and arranged to form a metasurface. We demonstrate both numerically and experimentally that surface plasmon vortex carrying orbital angular momentum can be generated under linearly-polarized optical excitation.

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Title: Creating surface plasmon orbital angular momentum in a gold metasurface
Creators - without role: Ching-Fu Chen - Institute of Photonics Technologies , National Tsing Hua University
Chen-Ta Ku - Institute of Photonics Technologies , National Tsing Hua University
Ming-Yang Pan - Academia Sinica
Pei-Kuen Wei - Academia Sinica
Chen-Bin Huang - Institute of Photonics Technologies , National Tsing Hua University
Identifiers: 9781557529688; 9957774167606774
Academic Unit: Institute of Photonics Technologies, College of Electrical Engineering and Computer Science, National Tsing Hua University
Language: English
Resource Type: Conference paper
Publication Details: Conference on Lasers and Electro-Optics Europe - Technical Digest, Vol.2015-August, 7183402

Creating surface plasmon orbital angular momentum in a gold metasurface

Abstract

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