Strathprints Institutional Repository Romero, J. and Leach, J. and Jack, B. and Dennis, M. R. and Franke-Arnold, S. and Barnett, S. M. and Padgett, M. J. (2011) Entangled optical vortex links. Physical Review Letters, 106 (10). -. ISSN 0031-9007 Strathprints is designed to allow users to access the research output of the University of Strathclyde. Copyright c  and Moral Rights for the papers on this site are retained by the individual authors and/or other copyright owners. You may not engage in further distribution of the material for any proﬁtmaking activities or any commercial gain. You may freely distribute both the url (http:// strathprints.strath.ac.uk/) and the content of this paper for research or study, educational, or not-for-proﬁt purposes without prior permission or charge. Any correspondence concerning this service should be sent to Strathprints administrator: mailto:strathprints@strath.ac.uk http://strathprints.strath.ac.uk/