Compact all-diode-pumped femtosecond laser source based on chirped pulse optical parametric amplification in periodically poled KTiOPO 4

Abstract
1 kHz chirped pulse optical parametric amplification in periodically poled KTiOPO4 achieving 20 µJ amplified signal pulse energy at 1.573 µm and 320 fs pulse duration after recompression is reported.