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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Interferometric methods to measure orbital and spin, or the total angular momentum of a single photon

Leach, J. and Courtial, J. and Skeldon, K. and Barnett, S.M. and Franke-Arnold, S. and Padgett, M.J. (2004) Interferometric methods to measure orbital and spin, or the total angular momentum of a single photon. Physical Review Letters, 92 (1). 013601-1. ISSN 0031-9007

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Abstract

We propose interferometric methods capable of measuring either the total angular momentum, or simultaneously measuring the spin and orbital angular momentum of single photons. This development enables the measurement of any angular momentum eigenstate of a single photon. The work allows the investigation of single-photon two-qubit entangled states and has implications for high density information transfer.