Photon Orbital Angular Momentum: Generation, Measurement and Application to QKD
- Padgett, M.J.
- Giovannini, D.
- Lavery, M.
- Romero, J.
- Barnett, S.M.
- Miatto, F.
- Boyd, R.W.
- Leach, J.
Publication date
January 2012
DOIAbstract
The information carried by a photon can be encoded in one or more of many different degrees of freedom. Beyond the two-dimensional space of polarisation (spin angular momentum) our interest lies in the unbounded yet discrete state space of Orbital Angular Momentum (OAM). We examine how photon pairs can be generated and measured over a large range of OAM states
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