Dispersion management and cascade compression of femtosecond nonautonomous soliton in birefringent fiber M.S. Mani Rajan, J. Hakkim, A. Mahalingam and A. Uthayakumar Eur. Phys. J. D, 67 7 (2013) 150 Published online: 24 July 2013 DOI: 10.1140/epjd/e2013-30748-7