Spatiotemporal optical vortices with arbitrary orbital angular momentum orientation by astigmatic mode converters-Reference-Cited by-同舟云学术

Spatiotemporal optical vortices with arbitrary orbital angular momentum orientation by astigmatic mode converters

Published:2022-01-04 Issue:4 Volume:11 Page:745-752
ISSN:2192-8614
Container-title:Nanophotonics
language:en
Short-container-title:

Author:

Zang Yimin¹^ORCID,Mirando Amal¹,Chong Andy¹²^ORCID

Affiliation:

1. Department of Electro-Optics and Photonics , University of Dayton , Dayton , USA

2. Department of Physics , University of Dayton , Dayton , USA

Abstract

Abstract We generate a spatiotemporal optical vortex (STOV) with tunable orbital angular momentum (OAM) orientation by a simple lens system. We utilize a cylindrical lens system, which is an astigmatic mode converter, to add longitudinal angular momentum to tilt the purely transverse OAM in an arbitrary direction. The amount of tilt is tunable by adjusting the lens system, and thus the OAM direction is continuously adjustable. STOVs with adjustable OAM directions have been verified theoretically and experimentally. We believe such direction controllable OAMs will enrich future applications.

Publisher

Walter de Gruyter GmbH

Subject

Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials,Biotechnology

Link

https://www.degruyter.com/document/doi/10.1515/nanoph-2021-0496/pdf

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