Experimental Demonstration of On-Chip Orbital Angular Momentum Carrying Twisted Light Generation Using Dielectric Metasurfaces on Silicon Platform

Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland

Proceedings: ECOC 2016

Pages: 3Language: englishTyp: PDF

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Wang, Hongya; Liu, Jun; Du, Jing; Wang, Jian (Wuhan National Laboratory for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China)

We demonstrate a method of generating twisted lights carrying orbital angular momentum (OAM) whose topological number ranges from l = 1 to 4 at the wavelength of 980 nm using dielectric metasurfaces array on silicon-on-insulator platform. Furthermore, we observe and detect the twisted light generated by the designed metasurface array.