Lasers, Fiber Optics, and Communications

Numerical simulations of spectral broadening in all-normal dispersion photonic crystal fiber at various pump pulse conditions

[+] Author Affiliations
Bartłomiej Siwicki

Institute of Electronic Materials Technology, Wólczyńska 133, 01-919 Warsaw, Poland

University of Warsaw, Faculty of Physics, Pasteura 7, 02-093 Warsaw, Poland

Mariusz Klimczak, Dariusz Pysz, Ryszard Stępień

Institute of Electronic Materials Technology, Wólczyńska 133, 01-919 Warsaw, Poland

Grzegorz Soboń, Jarosław Sotor, Krzysztof Abramski

Wroclaw University of Technology, Laser & Fiber Electronics Group, Wybrzeże Wyspiańskiego 27, 50-370 Wroclaw, Poland

Ryszard Buczyński

Institute of Electronic Materials Technology, Wólczyńska 133, 01-919 Warsaw, Poland

University of Warsaw, Faculty of Physics, Pasteura 7, 02-093 Warsaw, Poland

Opt. Eng. 54(1), 016102 (Jan 07, 2015). doi:10.1117/1.OE.54.1.016102
History: Received October 15, 2014; Accepted December 10, 2014
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Abstract.  Supercontinuum (SC) generation contained in the normal dispersion range of an optical fiber has been shown to be limited primarily by the available peak power and length of the pump pulse. In this work, we numerically investigate the SC spectral width and flatness for various pump pulse conditions in a nonlinear, all-solid, soft-glass, photonic crystal fiber (PCF) with a flattened dispersion profile. We assume a range of pump pulse parameters with pulse lengths between 250 and 100 fs (60 to 150 kW of peak power), and input pulse energies between 10 and 30 nJ, numerically reaching a maximum SC width of 800 to 2600 nm. The presented theoretical study provides a guideline for the selection of a fiber laser pump source, or in other words, it enables one to expect the extent of spectral broadening in the developed, all-normal dispersion PCF, when presently available fiber laser pump pulse parameters are assumed.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Bartłomiej Siwicki ; Mariusz Klimczak ; Grzegorz Soboń ; Jarosław Sotor ; Dariusz Pysz, et al.
"Numerical simulations of spectral broadening in all-normal dispersion photonic crystal fiber at various pump pulse conditions", Opt. Eng. 54(1), 016102 (Jan 07, 2015). ; http://dx.doi.org/10.1117/1.OE.54.1.016102


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