Dispersion flattened hybrid-core nonlinear photonic crystal fiber
Top Cited Papers
- 30 June 2003
- journal article
- Published by Optica Publishing Group in Optics Express
- Vol. 11 (13) , 1503-1509
- https://doi.org/10.1364/oe.11.001503
Abstract
Photonic crystal fibers are highly attractive as nonlinear media as they combine a large nonlinear coefficient and a highly customizable zero dispersion wavelength - flexibility not found in any other medium. However, the high dispersion slope at the zero-dispersion wavelength demonstrated so far is very limiting to the useful bandwidth. We propose a new fiber design comprising a hybrid core-region with three-fold symmetry that enables unprecedented dispersion control while maintaining low loss and a high nonlinear coefficient. The lowest dispersion slope obtained is 1·10-3ps/(km·nm2) or one order of magnitude lower than for conventional slope reduced nonlinear fibers. The nonlinear coefficient is more than 11 (W·km)-1 and loss below 7.9 dB/km at 1.55 µm has been achieved.Keywords
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