Wavelength-tunable femtosecond soliton pulse generation for wavelengths of 0.78-1.0 μm using photonic crystal fibers and a ultrashort fiber laser

被引：19
作者：
Nishizawa, N [1 ]
Ito, Y [1 ]
Goto, T [1 ]
机构：
[1] Nagoya Univ, Dept Quantum Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2003年 / 42卷 / 2A期
关键词：
photonic crystal fiber; ultrashort pulse; soliton; fiber laser; nonlinear optical effects;
D O I：
10.1143/JJAP.42.449
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The 0.78-1.0 mum wavelength-tunable femtosecond soliton pulse generation is demonstrated using a fiber laser, periodically poled LiNbO3 and photonic crystal fibers (PCFs). The wavelengths of the generated pulses are varied continuously and monotonically simply by varying the fiber input power. The temporal widths of the generated pulses are about 55 and 94 fs for 0.6 and 2 m of PCFs, respectively. The generated pulses are pedestal-free clear pulses and the corresponding time-bandwidth products are about 0.38. Characteristics of generated soliton pulses are analyzed using the extended nonlinear Schrodinger equation and the numerical results are almost in agreement with the experimental ones. This system is very compact and useful for practical applications. When 2 m of PCF is used, generation of anti-stokes pulse at the shorter wavelength side of the pump pulse is observed.
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页码：449 / 452
页数：4
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