Near-perfect sorting of orbital angular momentum: A step towards high-dimensional quantum communications

Creators: Mirhosseini, Mohammad; Malik, Mehul; Shi, Zhimin; O'Sullivan, Malcolm N.; Boyd, Robert W.

Others:: Kang, I.; Reitze, D.; Alic, N.; Hagan, D.

Abstract

A novel technique is introduced for separation of orbital-angular-momentum (OAM) states of light. Using this method, we demonstrate the realization of a free-space communication link with a channel capacity of more than 4 bits per photon.

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