Continuous variable remote state preparation

Details Continuous variable remote state preparation Continuous variable remote state preparation

2005-10-11

arxiv.org/abs/quant-ph/0510074v1

Phys. Rev. A 72, 052315 (2005)

Physics

Quantum Physics

7 pages, RevTeX4

Scientific paper

10.1103/PhysRevA.72.052315

We extend exact deterministic remote state preparation (RSP) with minimal classical communication to quantum systems of continuous variables. We show that, in principle, it is possible to remotely prepare states of an ensemble that is parameterized by infinitely many real numbers, i.e., by a real function, while the classical communication cost is one real number only. We demonstrate continuous variable RSP in three examples using (i) quadrature measurement and phase space displacement operations, (ii) measurement of the optical phase and unitaries shifting the same, and (iii) photon counting and photon number shift.

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