Generation of Tunable Plasmonic Vortices by Varying Wavelength of Incident Light

• Published in: Photonics Vol. 9; no. 11; p. 809
• Main Authors: Bai, Yihua, Zhang, Qing, Yang, Yuanjie
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 01.11.2022
• Subjects: Angular momentum; Design; Electric fields; Incident light; Light; Multiplexing; orbital angular momentum; plasmonic metasurface; plasmonic vortex; Plasmonics; Polaritons; surface plasmon polaritons; Vortex generators; Vortices; Wavelength; Wavelengths

Surfaces plasmon polaritons carrying orbital angular momentum (OAM), known as plasmonic vortex, hold potential applications for on-chip information multiplexing. However, a traditional plasmonic vortex lens was usually designed for monochromatic incident light and encountered challenges in generatin...