Self-Compression in Single-Domain KTP at 1 micron in a Normal Dispersion Regime

Abstract

We demonstrate self-compression of 173 fs pulses centered at 1030 nm down to 19.5 fs through electro-optic phase modulation by the phonon-polariton waves generated in a phase-matched intra-pulse difference-frequency mixing.

All-Solid-State Post-Compression of Low-Energy Pulses at High Repetition Rate

“…Typically, the SPM-induced spectral broadening of pulses with an energy of several hundreds of nanojoules is usually performed in highly nonlinear fibers [21][22][23]. More recently, spectral broadening and soliton compression of low-energy pulses in materials featuring a second-order nonlinearity was demonstrated as an interesting and feasible alternative [24,25]. However, spectral broadening of such pulses in bulk solid-state materials with pure cubic nonlinearity has received only little attention so far [26].…”