432 citations · 565 across the 4 of their papers we have counts for
Showing 2004Show all
2 papers · 1 filter
quant-ph2004★ 1 cited
Quantum key distribution without reference frame alignment: Exploiting photon orbital angular momentum
Federico M. Spedalieri
We present a new implementation of the BB84 quantum key distribution protocol that employs a -dimensional Hilbert space spanned by spatial modes of the propagating beam that hav…
quant-ph2004★ 125 cited
Detecting multipartite entanglement
Andrew C. Doherty, Pablo A. Parrilo, Federico M. Spedalieri
We discuss the problem of determining whether the state of several quantum mechanical subsystems is entangled. As in previous work on two subsystems we introduce a procedure for ch…