Measuring topological invariants in disordered discrete-time quantum walks
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.96.033846
Abstract: Quantum walks constitute a versatile platform for simulating transport phenomena on discrete graphs including topological material properties while providing a high control over the relevant parameters at the same time. To experimentally access and directly… read more here.
Keywords: measuring topological; quantum walks; disorder; time ... See more keywords
Measuring the Topological Charge of Optical Vortices Using Elliptical Airy Phase Mask
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2020.2993201
Abstract: Measuring the topological charge(TC) of optical vortices is of great importance in applications of vortex beams. A flexible and convenient method to determine the TC of an optical vortex is proposed by using an elliptical… read more here.
Keywords: optical vortices; topological charge; mask; charge optical ... See more keywords
Measuring Topological Charge of Laguerre–Gaussian Beams With a Y-Shaped Aperture
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2023.3270200
Abstract: We study the diffraction pattern of a Laguerre–Gaussian (LG) beam passing through a Y-shaped aperture (YA), which can be used to measure the topological charge (TC) of such a beam. This letter confirms that the… read more here.
Keywords: shaped aperture; topological charge; measuring topological; laguerre gaussian ... See more keywords