Physics – Quantum Physics
Scientific paper
2010-10-04
Physics
Quantum Physics
4 pages, 1 figure
Scientific paper
We present an efficient faithful entanglement distribution scheme for quantum communication against collective noise. Its setup is composed of polarizing beam splitters, half wave plates, polarization independent wavelength division multiplexers, and frequency shifters. An arbitrary qubit error on the polarization state of each qubit caused by the noisy channel can be rejected, without resorting to additional qubits, fast polarization modulators, and nondestructive quantum nondemolition detectors. Its success probability is 100%, which is independent of the noise parameters, and it can be applied directly in all one-way quantum communication protocols based on entanglement.
Deng Fu-Guo
Niu Hui-Chong
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