High-power ultrafast Yb:fiber laser frequency combs using commercially available components and basic fiber tools

We describe practical methods for achieving and characterizing low-noise single-pulse operation and long-term stability from Yb:fiberoscillators based on nonlinear polarization evolution. Stabilization of the combs using a variety of transducers, including a new method for tuning the carrier-envelope offset frequency, is discussed. High average power is achieved through chirped-pulse amplification in simple fiberamplifiers based on double-cladphotonic crystal fibers. We describe the use of these combs in several applications, including ultrasensitivefemtosecond time-resolved spectroscopy and cavity-enhanced high-order harmonic generation.
Source: Review of Scientific Instruments - Category: Physics Authors: Source Type: research