Vortex-MEMS filters for wavelength-selective orbital-angular-momentum beam generation

Sujoy Paul; Vladimir S. Lyubopytov; Martin F. Schumann; Julijan Cesar; Mohammadreza Malekizandi; Mohammad T. Haidar; Alexei P. Porfirev; Stanislav O. Gurbatov; Martin Wegener; Arkadi Chipouline; Franko Küppers

doi:10.1117/12.2252494

27 February 2017 Vortex-MEMS filters for wavelength-selective orbital-angular-momentum beam generation

Sujoy Paul, Vladimir S. Lyubopytov, Martin F. Schumann, Julijan Cesar, Mohammadreza Malekizandi, Mohammad T. Haidar, Alexei P. Porfirev, Stanislav O. Gurbatov, Martin Wegener, Arkadi Chipouline, Franko Küppers

Author Affiliations +

Proceedings Volume 10120, Complex Light and Optical Forces XI; 101200G (2017) https://doi.org/10.1117/12.2252494
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

In this paper an on-chip device capable of wavelength-selective generation of vortex beams is demonstrated. The device is realized by integrating a spiral phase-plate onto a MEMS tunable Fabry-Perot filter. This vortex-MEMS filter, being capable of functioning simultaneously in wavelength and orbital angular momentum (OAM) domains at around 1550 nm, is considered as a compact, robust and cost-effective solution for simultaneous OAM- and WDM optical communications. Experimental spectra for azimuthal orders 1, 2 and 3 show OAM state purity >92% across 30 nm wavelength range. A demonstration of multi-channel transmission is carried out as a proof of concept.

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Sujoy Paul, Vladimir S. Lyubopytov, Martin F. Schumann, Julijan Cesar, Mohammadreza Malekizandi, Mohammad T. Haidar, Alexei P. Porfirev, Stanislav O. Gurbatov, Martin Wegener, Arkadi Chipouline, and Franko Küppers "Vortex-MEMS filters for wavelength-selective orbital-angular-momentum beam generation", Proc. SPIE 10120, Complex Light and Optical Forces XI, 101200G (27 February 2017); https://doi.org/10.1117/12.2252494

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