Preserving Entanglement of Flying Qubits in Optical Fibers by Dynamical Decoupling

Details Preserving Entanglement of Flying Qubits in Optical Fibers by Dynamical Decoupling Preserving Entanglement of Flying Qubits in Optical Fibers by Dynamical Decoupling

2011-11-29

arxiv.org/abs/1111.6670v2

Physics

Quantum Physics

4 pages, 4 figures, references added

Scientific paper

We theoretically investigate the influence of dynamical decoupling sequence in preserving entanglement of polarized photons in polarization-maintaining birefringent fibers(PMF) under a classic Gauss 1/f noise. We study the dynamic evolution of entanglement along the control sequence embedded fibers. Decoherence due to dispersion of polarization mode in PMF can be dramatically depressed, even for a wild optical width. Entanglement degree can be effectively preserved while the control pulse is implemented.

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