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Updated: May 27, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
Power optimization of XUV frequency combs for spectroscopy applications [Invited]
D C Yost1, A Cingöz, T K Allison
1JILA, National Institute of Standards and Technology, and University of Colorado Department of Physics, University of Colorado, Boulder, Colorado 80309-0440, USA. dylan.yost@colorado.edu
Abstract:
We address technical impediments to the generation of high-photon flux XUV frequency combs through cavity-enhanced high harmonic generation. These difficulties arise from mirror damage, cavity nonlinearity, the intracavity plasma generated during the HHG process, and imperfect phase-matching. By eliminating or minimizing each of these effects we have developed a system capable of generating > 200 μW and delivering ~20 μW of average power for each spectrally separated harmonic (wavelengths ranging from 50 nm - 120 nm), to actual comb-based spectroscopy experiments.
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