Project supported by the National Natural Science Foundation of China(Grant Nos.61405172,61405173,and 61275093);the Natural Science Foundation of Hebei Province,China(Grant No.F2014203194);the College Science Research Program of Hebei Province,China(Grant No.QN20131044);the Program of Independent Research for the Young Teachers of Yanshan University of China(Grant No.13LGB017)
Raman soliton self-frequency shifted to mid-infrared band(λ 〉 2 μm) has been achieved in an air-silica microstructure fiber(MF). The MF used in our experiment has an elliptical core with diameters of 1.08 and 2...