Abstract
We design tellurite and As<sub>2</sub>S<sub>3</sub>-based chalcogenide tapered photonic crystal fibers (TPCF) for broadband mid-infrared coherent supercontinuum (SC) generation in the few optical-cycle-regime. By injecting pre-chirped femtosecond pulses, the soliton self-compression is optimized and then, we show the generation of more than one octave-spanning SC spectra with low input pulse energies in both TPCF having 8 mm-length.
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