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In superdense coding how can BSA be performed on the second of a pair of hyperentangled photons if the photon that was sent sometime earlier was measured on arrival? Would not the measurement have destroyed the entanglement?
I’m trying to understand superdense coding as set out in this paper.
It is suggested here that quantum memory is not required.
Hyperentanglement for advanced quantum communication
Julio T. Barreiro and Paul G. Kwiat
Department of Physics, University of Illinois at Urbana-Champaign, Urbana, IL 61801-3080,
USA
I’m trying to understand superdense coding as set out in this paper.
It is suggested here that quantum memory is not required.
Hyperentanglement for advanced quantum communication
Julio T. Barreiro and Paul G. Kwiat
Department of Physics, University of Illinois at Urbana-Champaign, Urbana, IL 61801-3080,
USA