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Journals and Conferences
We demonstrate temporal measurements of sub-picosecond optical pulses via time-to-frequency conversion in a 45-cm-long CMOS compatible high-index glass spiral waveguide. The measurements are based on efficient four-wave mixing in the C-band, using around 1 W of peak pump power. We achieve a resolution of 400 fs over a time window of 100 ps, representing a… (More)
Intense, few-cycle infrared laser pulses centered at 1.8 μm wavelength, coupled to a new gas cell design, are employed to drive high harmonic generation with high flux down to the soft X-ray regime.
Driving high-harmonics (HH) from Mn<sup>+</sup> with IR lasers at 1.82 μm revealed the contribution of inner-shell 3p-3d and 3p-4s channels through an intensity increase at energies from 49 eV to 51 eV.
A supercontinuum spectrum of more than 300 nm is obtained at 1550 nm and 1290 nm using doped-silica glass, 45 cm long, integrated spiral waveguides. Different dynamics near two distinct zero dispersion wavelengths are observed and explained theoretically.
We demonstrate C-band subpicosecond wavelength conversion over > 100 nm, exploiting four wave mixing in a high index doped silica waveguide spiral of 45 cm, showing a +16.5 dB net gain for a 40 W peak pump power.