Classical and quantum communication without a shared reference frame

Details Classical and quantum communication without a shared reference frame Classical and quantum communication without a shared reference frame

2003-02-14

arxiv.org/abs/quant-ph/0302111v3

Phys. Rev. Lett. 91, 027901 (2003)

Physics

Quantum Physics

4 pages, published version

Scientific paper

10.1103/PhysRevLett.91.027901

We show that communication without a shared reference frame is possible using entangled states. Both classical and quantum information can be communicated with perfect fidelity without a shared reference frame at a rate that asymptotically approaches one classical bit or one encoded qubit per transmitted qubit. We present an optical scheme to communicate classical bits without a shared reference frame using entangled photon pairs and linear optical Bell state measurements.

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