We present a laser system capable of producing 190 femtosecond pulses at a repetition rate of 20 GHz. The spectral masking of a phase modulated diode laser is used to produce a train of picosecond pulses which are compressed using a fibre-grating compressor followed by subsequent adiabatic soliton compression to the femtosecond regime using a tapered photonic crystal fiber.
Chapman, B. H., Doronkin, A. V., Stone, J. M., Knight, J. C., Popov, S. V., & Taylor, J. R. (2013). Femtosecond pulses at 20 GHz repetition rate through spectral masking of a phase modulated signal and nonlinear pulse compression. Optics Express, 21(5), 5671-5676. https://doi.org/10.1364/OE.21.005671