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Proceedings Paper

Large mode area PCF for high power infrared supercontinuum generation
Author(s): V. G. Savitski; K. V. Yumashev; V. L. Kalashnikov; V. S. Shevandin; K. V. Dukel'skii
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Paper Abstract

Infrared supercontinuum from a large mode-area photonic-crystal fiber (PCF) for varied fiber lengths, powers and in dependence on the fiber mode structure under the 15 picosecond pulse excitation at the 1.08 μm pump wavelength with the coupled powers up to the PCF damage threshold are studied both experimentally and numerically. The conversion efficiency into a spectrum ranging up to 1.9 μm reaches 33%. The four-wave mixing is found to be dominating mechanism forming the supercontinuum structure. It is shown, that the supercontinuum bandwidth cannot be increased by only growth of the propagation length because there exists the optimum one. The analysis of inter-mode cross-modulation effecting supercontinuum smoothness, bandwidth and its temporal characteristics is presented.

Paper Details

Date Published: 27 July 2007
PDF: 9 pages
Proc. SPIE 6729, ICONO 2007: Coherent and Nonlinear Optical Phenomena, 672914 (27 July 2007); doi: 10.1117/12.751845
Show Author Affiliations
V. G. Savitski, Institute for Optical Materials and Technologies, BNTU (Belarus)
K. V. Yumashev, Institute for Optical Materials and Technologies, BNTU (Belarus)
V. L. Kalashnikov, TU Wien (Austria)
V. S. Shevandin, S.I. Vavilov Federal Optical Institute (Russia)
K. V. Dukel'skii, S.I. Vavilov Federal Optical Institute (Russia)


Published in SPIE Proceedings Vol. 6729:
ICONO 2007: Coherent and Nonlinear Optical Phenomena

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