Frequency shifting and pulse shaping with photonic-crystal fibers for coherent nonlinear spectroscopy / Y.M. Linik, D.A. Akimov, A.M. Zheltikov, A.A. Ivanov, M.V. Alfimov, T. Siebert, W. Kiefer // Journal of Raman Spectroscopy. – 2006. – Т. 37. – № 6. – P. 705-711