6 March 2013 Supercontinuum generation in mid-IR using chalcogenide and germanate nonlinear fiber
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Abstract
We demonstrate mid-infrared (mid-IR) supercontinuum generation with bandwidth from 2 to 2.8 μm at 20 dB below the peak in nonlinear step-index chalcogenide fiber using femtosecond mid-IR pulses directly from the oscillator. We compare the results with a supercontinuum generated in a silica-based high germanium content fiber. Supercontinuum generation occurs at 90 mW of launched average pump power that is equal to the 0.9 nJ pulse energy. The distinctive feature of the obtained supercontinuum is its stability and coherence due to the deterministic supercontinuum generation by the femtosecond pump pulses
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Nikolai Tolstik, Evgeni Sorokin, Vladimir Kalashnikov, Dmitriy Klimentov, Vladislav Dvoyrin, Irina T. Sorokina, "Supercontinuum generation in mid-IR using chalcogenide and germanate nonlinear fiber", Proc. SPIE 8599, Solid State Lasers XXII: Technology and Devices, 85990K (6 March 2013); doi: 10.1117/12.2003957; https://doi.org/10.1117/12.2003957
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