Soliton delivery of mid-IR femtosecond pulses with ZBLAN fiber
Journal article, Peer reviewed
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Original versionOptical Materials Express. 2012, 2 (11), 1580-1587. 10.1364/OME.2.001580
We demonstrate environmentally protected delivery of highpower femtosecond mid-IR pulses in a single-mode ZBLAN fiber by soliton formation. A 70-fs Cr:ZnS laser at 2.4 µm reaches this regime already at ~2 nJ launched pulse energy, while a 110-fs pulse can be transmitted without visible shortening over meters of fiber. We also measured the nonlinearoptical coefficient of ZBLAN as n2 = 2.7 ± 0.2 × 10−16 cm2 /W at 2.4 µm wavelength.