Generation of photonic orbital angular momentum superposition states using vortex beam emitters with superimposed gratings

Xiao, Q., Klitis, C. , Li, S., Chen, Y., Cai, X., Sorel, M. and Yu, S. (2016) Generation of photonic orbital angular momentum superposition states using vortex beam emitters with superimposed gratings. Optics Express, 24(4), pp. 3168-3176. (doi:10.1364/OE.24.003168) (PMID:26906981)

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Abstract

An integrated approach to produce photonic orbital angular momentum (OAM) superposition states with arbitrary OAM spectrum has been demonstrated. Superposition states between two vector OAM modes have been achieved by integrating a superimposed angular grating in one silicon micro-ring resonator, with each mode having near equal weight. The topological charge difference between the two compositional OAM modes is determined by the difference between the numbers of elements in the two original gratings being superimposed, while the absolute values of the topological charge can be changed synchronously by switching WGM resonant wavelengths. This novel approach provides a scalable and flexible source for the OAM-based quantum information and optical manipulation applications.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Klitis, Dr Charalambos and Sorel, Professor Marc
Authors: Xiao, Q., Klitis, C., Li, S., Chen, Y., Cai, X., Sorel, M., and Yu, S.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Optics Express
Publisher:Optical Society of America
ISSN:1094-4087
ISSN (Online):1094-4087
Published Online:08 February 2016
Copyright Holders:Copyright © 2016 OSA
First Published:First published in Optics Express 24(4): 3168-3176
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
635911CORNERSTONE: Capability for OptoelectRoNics, mEtamateRialS, nanoTechnOlogy aNd sEnsingMarc SorelEngineering and Physical Sciences Research Council (EPSRC)EP/L021129/1ENG - ENGINEERING ELECTRONICS & NANO ENG
671091ROAM - Revolutionising Optical Fibre Transmission and Networking Using the Orbital Angular Momentum of LightMarc SorelEuropean Commission (EC)645361ENG - ENGINEERING ELECTRONICS & NANO ENG

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