Abstract
We demonstrate all-optical control of group velocity dispersion (GVD) via optical Kerr effect in highly nonlinear tellurite photonic crystal fibers. The redshift of the zero-dispersion wavelength is over 307nm, measured by soliton self-frequency shift cancellation, when the pump peak power of a 1.56μm femtosecond fiber laser is increased to 11.6kW. The all-optical control of GVD not only offers a new platform for constructing all-optical-control photonic devices but also promises a new class of experiments in nonlinear fiber optics and light-matter interactions.
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