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It is shown that the two beams generated by bipartition of an optical soliton are entangled. The amount of entanglement obtained by bipartition of an N-bound soliton (N=2,3) can be substantially larger than that in bipartition of the fundamental soliton (N=1). An analysis of the mode structure of the entangled beams shows that typically N modes in each beam contribute to the entanglement. In particular,...
The photon-number statistics of damped higher-order optical solitons are studied numerically, using cumulant-expansion techniques in Gaussian approximation. The analysis is given in both the time domain and the frequency domain. Introducing appropriate filtering, it is shown that the photon-number noise can be strongly nonclassically correlated to each other. In particular, filter optimization is...
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