High-harmonic generation in periodically poled waveguides

  title={High-harmonic generation in periodically poled waveguides},
  author={Daniel D. Hickstein and David R. Carlson and Abijith S. Kowligy and Matthew S. Kirchner and Scott R. Domingue and Nima Nader and Henry Timmers and Alexander J. Lind and Gabriel G. Ycas and Margaret M. Murnane and Henry C. Kapteyn and Scott B. Papp and Scott A. Diddams},
  journal={arXiv: Optics},
Optical waveguides made from periodically poled materials provide high confinement of light and enable the generation of new wavelengths via quasi-phase-matching, making them a key platform for nonlinear optics and photonics. However, such devices are not typically employed for high-harmonic generation. Here, using 200-fs, 10-nJ-level pulses of 4100 nm light at 1 MHz, we generate high harmonics up to the 13th harmonic (315 nm) in a chirped, periodically poled lithium niobate (PPLN) waveguide… Expand

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