18 February 2013 Supercontinuum generation with femtosecond pulse fiber amplified VECSELs
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Abstract
We present a mode-locked VECSEL emitting 400-fs pulses at a 3 GHz repetition rate at 1040 nm, amplified by a cascaded ytterbium doped fiber amplifier system to an average power of 40 W. The 3-ps duration amplified pulses are recompressed to their original 400-fs duration using a high-throughput transmission grating compressor. The recompressed pulses are used to generate supercontinuum with two different photonic crystal fibers (PCFs); an all-normal dispersion PCF and a PCF with a zero-dispersion wavelength at 1040 nm, creating spectra with 20 dB bandwidths of 200 nm with 3.9 W average power and 280 nm with 2.5 W average power respectively.
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C. Robin Head, C. Robin Head, Ho-Yin Chan, Ho-Yin Chan, James S. Feehan, James S. Feehan, David P. Shepherd, David P. Shepherd, Shaif-ul Alam, Shaif-ul Alam, Anne C. Tropper, Anne C. Tropper, Jonathan H. V. Price, Jonathan H. V. Price, Keith G. Wilcox, Keith G. Wilcox, } "Supercontinuum generation with femtosecond pulse fiber amplified VECSELs", Proc. SPIE 8606, Vertical External Cavity Surface Emitting Lasers (VECSELs) III, 860608 (18 February 2013); doi: 10.1117/12.2004240; https://doi.org/10.1117/12.2004240
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