Linear polarization conversion at the theoretical limit using a Toroidal metasurface

Po-sheng Huang; Amir Hassanfiroozi; Pin Chieh Wu

doi:10.1117/12.2594459

1 August 2021 Linear polarization conversion at the theoretical limit using a Toroidal metasurface

Po-sheng Huang, Amir Hassanfiroozi, Pin Chieh Wu

Proceedings Volume 11797, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX; 1179725 (2021) https://doi.org/10.1117/12.2594459
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Conference Poster

Abstract

Metasurface enables controlling the light properties at will by structuring sub-wavelength unit elements. Among feasible applications, polarization control plays a vital role in communication, quantum optics, and imaging. Due to the Joule loss issue, the polarization conversion efficiency for the plasmonic metasurfaces operating at NIR region is usually lower than 10% [1]. In this work, we innovate a metasurface design to enhance the polarization conversion efficiency [2]. A S-shaped plasmonic metasurface with a toroidal dipole-quadrupole coupling response is used to push the polarization conversion efficiency to 22.9% that is very close to the theoretical conversion limit 25% [3].

Citation Download Citation

Po-sheng Huang, Amir Hassanfiroozi, and Pin Chieh Wu "Linear polarization conversion at the theoretical limit using a Toroidal metasurface", Proc. SPIE 11797, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX, 1179725 (1 August 2021); https://doi.org/10.1117/12.2594459

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available