High quality sub-two cycle pulses from compression of supercontinuum generated in all-normal dispersion photonic crystal fiber

被引：91
作者：
Heidt, Alexander M. [1 ,2 ]
Rothhardt, Jan [3 ,5 ]
Hartung, Alexander [2 ]
Bartelt, Hartmut [2 ]
Rohwer, Erich G. [1 ]
Limpert, Jens [3 ,5 ]
Tuennermann, Andreas [3 ,4 ,5 ]
机构：
[1] Univ Stellenbosch, Laser Res Inst, Dept Phys, ZA-7604 Matieland, South Africa
[2] Inst Photon Technol IPHT, D-07745 Jena, Germany
[3] Univ Jena, Inst Appl Phys, D-07745 Jena, Germany
[4] Fraunhofer Inst Appl Opt & Precis Engn, D-07745 Jena, Germany
[5] Helmholtz Inst Jena, D-07743 Jena, Germany
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 15期
基金：
欧洲研究理事会;
关键词：
REPETITION-RATE;
D O I：
10.1364/OE.19.013873
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate nonlinear pulse compression based on recently introduced highly coherent broadband supercontinuum (SC) generation in all-normal dispersion photonic crystal fiber (ANDi PCF). The special temporal properties of the octave-spanning SC spectra generated with 15 fs, 1.7 nJ pulses from a Ti:Sapphire oscillator in a 1.7 mm fiber piece allow the compression to 5.0 fs high quality pulses by linear chirp compensation with a compact chirped mirror compressor. This is the shortest pulse duration achieved to date from the external recompression of SC pulses generated in PCF. Numerical simulations in excellent agreement with the experimental results are used to discuss the scalability of the concept to the single-cycle regime employing active phase shaping. We show that previously reported limits to few-cycle pulse generation from compression of SC spectra generated in conventional PCF possessing one or more zero dispersion wavelengths do not apply for ANDi PCF. (C) 2011 Optical Society of America
引用
收藏
页码：13873 / 13879
页数：7
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