Evolution of Pancharatnam-Berry phase on a hybrid-order Poincaré sphere based on vortex half-wave plates

Rusheng Su; Yingnan Tu; Ruijian Li; Tong Liu; Yuan Ren

doi:10.1117/12.2654849

18 November 2022 Evolution of Pancharatnam-Berry phase on a hybrid-order Poincaré sphere based on vortex half-wave plates

Rusheng Su, Yingnan Tu, Ruijian Li, Tong Liu, Yuan Ren

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Proceedings Volume 12473, Second International Conference on Optics and Communication Technology (ICOCT 2022); 124730I (2022) https://doi.org/10.1117/12.2654849
Event: Second International Conference on Optics and Communication Technology (ICOCT 2022), 2022, Hefei, China

Abstract

A vector polarized beam undergoing a cyclic adiabatic transformation can obtain a Pancharatnam-Berry (PB) phase. This new geometric phase is proportional to light’s total angular momentum (TAM). In this work, experimental evidence is provided for the PB phase evolution on a hybrid-order Poincarésphere. A variety of hybrid-order Poincarésphere beams are directly generated by vortex half-wave plates using a non-interference method, while two TAM converters are used to ensure a closed cycle on the hybrid-order Poincarésphere. By rotating one of the converters, a significant change in PB phase can be observed. The PB phase is related to the topological charge and polarization state of the hybrid-order Poincarésphere bipolar beams and has implications in quantum information science as well as other physical systems such as electron vortex beams.

Citation Download Citation

Rusheng Su, Yingnan Tu, Ruijian Li, Tong Liu, and Yuan Ren "Evolution of Pancharatnam-Berry phase on a hybrid-order Poincaré sphere based on vortex half-wave plates", Proc. SPIE 12473, Second International Conference on Optics and Communication Technology (ICOCT 2022), 124730I (18 November 2022); https://doi.org/10.1117/12.2654849

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KEYWORDS

Polarization

Linear polarizers

Poincaré sphere

Wave plates

Solids

Photon polarization

Polarizers

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