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Enhanced soliton self-frequency shift of ultrashort light pulses |
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| Authors: | E E Serebryannikov Ming-Lie Hu Yan-Feng Li Ching-Yue Wang Zhuan Wang Lu Chai A M Zheltikov |
| Institution: | (1) Faculty of Physics, International Laser Center, Moscow State University, Vorob’evy gory, Moscow, 119992, Russia;(2) Ultrafast Laser Lab, School of Precision Instruments and Optoelectronics Engineering, Key Laboratory of Optoelectronic Information Technical Science, Tianjin University, 300072 Tianjin, Peoples Republic of China |
| Abstract: | Photonic-crystal fibers are used to study scenarios of soliton self-frequency shift for laser pulses with initial pulse lengths much less than the Raman-mode period of the fiber material. A typical frequency shift of subnanojoule Ti: sapphire-laser pulses with an initial duration of about 30 fs transmitted through a fiber with a core diameter of about 1.6 μm and a length of about 7 cm exceeds 100 THz. The rate of soliton self-frequency shift is radically increased by reducing the initial pulse width. |
| Keywords: | 42 65 Wi 42 81 Qb |
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