| Title |
Analysis of pulse compression in a high repetition rate and high average power Yb-fiber based hybrid PCMA-FCPA femtosecond laser system |
| Authors |
Pimpė, Jokūbas ; Jarutis, Vygandas ; Vengelis, Julius |
| DOI |
10.1088/2040-8986/ae4e42 |
| Full Text |
|
| Is Part of |
Journal of optics.. Bristol : IOP Publishing. 2026, vol. 28, iss. 3, art. no. 035505, p. [1-12].. ISSN 2040-8978. eISSN 2040-8986 |
| Keywords [eng] |
FCPA ; PCMA ; high average power femtosecond pulses ; high repetition rate femtosecond pulses ; Yb-doped fiber amplifier |
| Abstract [eng] |
We present a comprehensive experimental and theoretical analysis of high repetition rate and high average power femtosecond pulse amplification and temporal compression in a hybrid pre-chirp managed amplification (PCMA) and fiber chirped pulse amplification (FCPA) system. We investigate the influence of initial pulse chirp, gain dynamics and nonlinear self-phase modulation on the temporal and spectral characteristics of amplified pulses. Numerical simulation results agreed well with experiments and demonstrated that improper selection of the input chirp at a constant amplified pulse output power can lead to poor pulse compression quality. Our analysis explains the relation between pre-chirp and output pulse compressibility and provides important insights into optimizing hybrid PCMA–FCPA systems for generating high average power and high repetition rate femtosecond laser systems with nearly transform-limited pulse durations. |
| Published |
Bristol : IOP Publishing |
| Type |
Journal article |
| Language |
English |
| Publication date |
2026 |
| CC license |
|
