光学
超短脉冲
激光器
脉搏(音乐)
材料科学
调制(音乐)
相位调制
模式锁定
光纤激光器
多光子脉冲内干涉相位扫描
相(物质)
飞秒脉冲整形
注射播种机
光学腔
物理
分布反馈激光器
相位噪声
声学
量子力学
探测器
作者
Dan Cheng,Yujun Feng,Meng Ding,Debasis Pal,Johan Nilsson
标识
DOI:10.1109/jlt.2022.3152154
摘要
We demonstrate experimentally that random phase modulation of an erbium-doped fiber ring-laser by an intra-cavity electro-optic phase modulator did not inhibit ultrashort-pulse operation. Stable and self-starting ultrashort-pulse operation with a single pulse circulating in the cavity was achieved even when the phase modulator was driven with random sequences sufficiently fast and strong to render the laser cavity modeless, in the sense that heterodyning of the laser output did not show any spectral lines corresponding to a mode spectrum. No significant change in measured pulse characteristics was observed, compared to conventional mode-locking in the unmodulated cavity. The insensitivity to the random phase modulation is expected, given the lack of phase-sensitive elements in the cavity.
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