It is shown that bipartition of optical solitons can be used to generate entangled light beams. The achievable amount of entanglement can be substantially larger for N-bound solitons N=2,3 than for the fundamental soliton (N=1). An analysis of the mode structure of the entangled beams shows that just N modes are essentially entangled. In particular, partitioning of the fundamental soliton effectively produces 2-mode squeezed light.
@article{arxiv.quant-ph/0004098,
title = {Partitioning optical solitons for generating entangled light beams},
author = {Eduard Schmidt and Ludwig Knoll and Dirk-Gunnar Welsch},
journal= {arXiv preprint arXiv:quant-ph/0004098},
year = {2009}
}