Abstract

We present detailed experimental data and numerical simulation results obtained during the investigation of temporal characteristics of a synchronously pumped optical parametric oscillator (SPOPO) based on a periodically poled potassium titanyl phosphate crystal. A femtosecond Yb:KGW laser was used for SPOPO pumping, and signal pulse durations were measured in the 1.49–1.82 µm spectral range at three different conditions of cavity losses. The experimental investigation and numerical modeling showed strong SPOPO signal pulse duration dependency on the transmission of the output coupler. We also used external group delay dispersion compensation to achieve shorter SPOPO signal pulses.

© 2019 Optical Society of America

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