@article{Coscelli_447_9-2014,
author = "E. Coscelli and C. Molardi and A. Cucinotta and S. Selleri",
title = "Symmetry-free Tm-doped photonic crystal fiber with enhanced mode area",
volume = "20",
number = "5",
pages = "1--7",
month = "september",
year = "2014",
url = "http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6709780",
journal = "IEEE Journal of Selected Topics in Quantum Electronics",
}