2007•High Power Laser and Particle BeamsRequires access
Supercontinuum phase coherence properties in bulk material
Ying Zhang, Xiaofeng Wei, Qihua Zhu, Zeng Xiao-ming, Ying Chun-Tong, Deng Ying, Wang Fengrui
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Abstract
Supercontinuum generation incorporates many nonlinear effects. In our experiment, two supercontinuum pulses generated independently by ultrashort pulses form stable spatial interference fringes and a frequency comb appears with collinear time-delay pump pulses. The supercontinuum keeps phase-lock relationships of the pump beams. Small intensity variations in the pump and small inhomogeneities in the material do not lead to dramatic phase fluctuations in the generated supercontinuum. It is important for supercontinuum simulation and studying of supercontinuum frequency combs in bulk material.