抖动
相位噪声
光学
物理
光纤激光器
脉搏(音乐)
脉冲波
噪音(视频)
相对强度噪声
调制(音乐)
材料科学
激光器
半导体激光器理论
电子工程
声学
人工智能
计算机科学
图像(数学)
探测器
工程类
作者
Marvin Edelmann,Yi Hua,Kemal Shafak,Yousef Sharkawy,Mikhail Pergament,Franz X. Kärtner
标识
DOI:10.1364/opticaopen.25656519
摘要
Here, we demonstrate improved noise performance and pulse quality of fiber oscillators mode-locked with all-PM, linear self-stabilized interferometers (LSI) through intra-cavity suppression of cross-phase modulation (XPM) in both soliton and stretched-pulse regime. A modified LSI oscillator setup is constructed, which allows to switch between standard configuration, and a performance-enhanced configuration with XPM suppression via implementation of a highly birefringent intra-cavity crystal. Comparative measurements in soliton and stretched-pulse regime verify not only a drastically improved time-domain output pulse shape and spectral quality, but further a significant suppression of timing-jitter and relative intensity noise (RIN) for the XPM-suppressed laser configuration. In soliton regime, up to ~3.5 dB reduction in integrated timing-jitter (9 kHz - 5 MHz) are verified from 87 fs to 39 fs RMS, and a suppression of integrated RIN (1 Hz - 5 MHz) from 0.08% to 0.06%. Correspondingly, in stretched-pulse regime, the integrated jitter (3 kHz – 5 MHz) is reduced from ~22 fs down to 14.5 fs RMS and the integrated RIN (1 Hz - 5 MHz) from ~0.07% to 0.04%.
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