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A new method allows to extract information on soliton content in complicated cases of pulse propagation in optical fiber, not accessible to Inverse Scattering Transform. As an example, a dispersion-managed second order soliton is demonstrated.
I report the first experiment on 1.5-mum band entanglement generation in a cooled fiber. Low-noise time-bin entangled photon pairs were successfully generated and distributed over 60 km of fiber with a raw visibility of 76%.
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