Spectral Broadening of mid-IR Femtosecond Pulses in Highly Germanium Doped Fiber
Tolstik, Nikolai; Klimentov, Dmitry; Dvoyrin, Vladislav; Sorokina, Irina T; Sorokin, Evgeni; Kalashnikov, Vladimir
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2012Metadata
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Original version
10.1364/NP.2012.SM2E.5Abstract
We demonstrate significant spectral broadening of femtosecond mid-IR pulses directly from the oscillator in a simple step-index single-mode highly Ge-doped fiber at only 150 pJ pulse energies in the spectral window around 2.38 µm.