Physics – Quantum Physics
Scientific paper
2010-11-26
Optics Letters, Vol. 36, Issue 1, pp. 43-45 (2011)
Physics
Quantum Physics
Scientific paper
10.1364/OL.36.000043
We characterize theoretically and experimentally the degradation of polarization entanglement in a fiber-optic entanglement distribution system where one of the optical fibers is exposed to the effects of polarization mode dispersion (PMD). We show gradual reduction of entanglement with increasing PMD and find that the highest PMD tolerance is achieved when the bandwidth of the pump used to generate the entangled photons in a $\chi^{(3)}$ process is approximately half the bandwidth of the quantum channels.
Antonelli Cristian
Brodsky Misha
George Elizabeth C.
Shtaif Mark
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