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Conferences > CLEO_QELS > 2015 > FTu4A > FTu4A.4

Reducing the Free-Space Group Velocity of Single Photons by Transverse Structuring

D. Giovannini, J. Romero, V. Potoček, G. Ferenczi, F. Speirits, S. M. Barnett, D. Faccio, and M. J. Padgett

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Abstract

The group velocity of light in free space is decreased by controlling the transverse spatial structure of the beam. We present experimental results in the single-photon regime, supported by a simple geometric argument and a full theoretical treatment.

© 2015 Optical Society of America

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