10W GHz-rate Femtosecond All-fiber MOPA System using PCF-based optoacoustically mode-locked fiber laser
收藏科学数据银行2024-10-07 更新2026-04-23 收录
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资源简介：
We present an erbium-doped soliton fiber laser utilizing nonlinear polarization rotation, enhanced by a short-length solid-core photonic crystal fiber for GHz acoustic core resonance. By optimizing pump power to 920 mW, we achieve a stable 1.89-GHz, ~960-fs pulse train with 10 mW average power and an SNR of 55 dB, indicating robust high harmonic mode-locking. A 10-m dispersion-compensated fiber broadens the pulse to 5 ps, which is then amplified through a three-stage Yb-Er co-doped fiber system, resulting in 10.8 W average power and 5.7 nJ per pulse. The amplified pulse is compressed to 84 fs via higher-order soliton self-compression in a 3.3 m single-mode fiber, achieving a peak power of 1.5 kW and a quality factor of ~22%. This all-fiber laser system provides high average power, high repetition rate, and ultrashort pulse durations, enabling flexible high-power pulse generation for ultrafast applications.
提供机构：
Shanghai Institute of Optics and Fine Mechanics
创建时间：
2024-09-29
