| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Femtosecond parabolic pulse nonlinear compression with gas-filled hollow-core fiber |
| Huang Zhi-Yuan (黄志远)a b, Leng Yu-Xin (冷雨欣)b, Dai Ye (戴晔)a |
a Department of Physics, Shanghai University, Shanghai 200444, China;
b State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China |
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Abstract We study theoretically the spectral intensity evolutions of the femtosecond Gaussian and parabolic pulses with different initial pulse energies and compare the nonlinear compressions of these pulses based on a meter-long hollow-core fiber filled with neon for different initial pulse durations. The pulses are first coupled into gas-filled hollow-core fiber for spectrum broadening, then compressed by the optimal chirp compensation. The parabolic pulse possesses a shorter pulse duration, larger peak power, and cleaner wings than Gaussian pulse. The properties are useful for compressing the pulses and thus generating the high-energy, short-duration pulses.
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Received: 07 May 2014
Revised: 11 June 2014
Accepted manuscript online:
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PACS:
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42.65.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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42.65.Jx
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(Beam trapping, self-focusing and defocusing; self-phase modulation)
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42.81.Qb
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(Fiber waveguides, couplers, and arrays)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 61221064, 61078037, 11127901, and 11134010), the National Basic Research Program of China (Grant No. 2011CB808101), the Funds from the Commission of Science and Technology of Shanghai, China (Grant No. 12dz1100700), the Natural Science Foundation of Shanghai, China (Grant No. 13ZR1414800), and the International S & T Cooperation Program of China (Grant No. 2011DFA11300). |
Corresponding Authors:
Leng Yu-Xin, Dai Ye
E-mail: lengyuxin@siom.ac.cn;yedai@shu.edu.cn
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Cite this article:
Huang Zhi-Yuan (黄志远), Leng Yu-Xin (冷雨欣), Dai Ye (戴晔) Femtosecond parabolic pulse nonlinear compression with gas-filled hollow-core fiber 2014 Chin. Phys. B 23 124210
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