Nonlinear spiral phase plates for generation of light fields with orbital angular momentum

Alexey P. Porfirev; Valentin I. Logachev; Georgy E. Gridin; Mikhail S. Kirilenko; Sergey A. Fomchenkov

doi:10.1117/12.2553206

22 May 2020 Nonlinear spiral phase plates for generation of light fields with orbital angular momentum

Alexey P. Porfirev, Valentin I. Logachev, Georgy E. Gridin, Mikhail S. Kirilenko, Sergey A. Fomchenkov

Proceedings Volume 11516, Optical Technologies for Telecommunications 2019; 115160A (2020) https://doi.org/10.1117/12.2553206
Event: XVII International Scientific and Technical Conference "Optical Technologies for Telecommunications", 2019, Kazan, Russian Federation

Abstract

We present a novel type of diffractive optical elements - a nonlinear spiral phase plate whose transmission function is described as exp(iφmⁿ). The light field generated by the element has a spiral-shaped intensity and phase distribution, a non-uniform orbital angular momentum (OAM) distribution and spiral-shaped energy flow. Because of the non-linear azimuthal phase variation, the nonlinear spiral phase plates demonstrate angle-dependent distortion resistance properties. We believe that the proposed nonlinear spiral phase plates will be useful for the realization of OAM-Mode Division Multiplexing in optical communication systems as well as in the area of laser manipulation and laser-matter interaction for fabrication of unique chiral metasurfaces that can be used in optical communication systems too.

Citation Download Citation

Alexey P. Porfirev, Valentin I. Logachev, Georgy E. Gridin, Mikhail S. Kirilenko, and Sergey A. Fomchenkov "Nonlinear spiral phase plates for generation of light fields with orbital angular momentum", Proc. SPIE 11516, Optical Technologies for Telecommunications 2019, 115160A (22 May 2020); https://doi.org/10.1117/12.2553206

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