Study of the self-similar evolution for optical pulse in nonlinearity-increasing fibers

CHEN Hai-tao; WANG Fei; DENG Tao

doi:10.3969/j.issn.1001-3806.2010.02.020

LASER TECHNOLOGY > 2010 > 34(2): 218-220,223. > DOI: 10.3969/j.issn.1001-3806.2010.02.020

CHEN Hai-tao, WANG Fei, DENG Tao. Study of the self-similar evolution for optical pulse in nonlinearity-increasing fibers[J]. LASER TECHNOLOGY, 2010, 34(2): 218-220,223. DOI: 10.3969/j.issn.1001-3806.2010.02.020

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Study of the self-similar evolution for optical pulse in nonlinearity-increasing fibers

1.
Fundament Department, Armed Police Academy, Langfang 065000, China;
2.
College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;
3.
School of Physical Science and Technology, South-West University, Chongqing 400715, China

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Received Date: January 11, 2009
Revised Date: February 15, 2009
Published Date: March 24, 2010

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Abstract

The propagation and evolution characteristics of ultra-short pulses in a nonlinearity-increasing fiber were studied based on theoretical analysis and numerical calculation. Numerical simulation shows that the propagation in a nonlinearity-increasing fiber is similar with that in a gain-amplification fiber or dispersion fiber, i.e., the propagation and evolution accords with the self-similar evolution. Finally the parabolic pulse with linear chirp can be achieved. The result is useful for pulse compression because the parabolic pulse has linear chirp.
- nonlinear optics,
- nonlinearity-increasing fiber,
- numerical simulation,
- self-similar parabolic pulse,
- linear chirp,
- pulse compression

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