论文标题
无调激光腔中的超短脉冲产生
Ultrashort Pulse Generation in Modeless Laser Cavity
论文作者
论文摘要
我们在实验上证明，通过腔内电磁相调节器对ERBIUM掺杂的纤维环激光器的随机相调节没有抑制超短脉冲的操作。即使相位调节器的随机序列驱动足够快速且强，以使激光腔无模型的意义上，即使相位调节器的随机序列驱动相位，但在激光输出的近距离驱动器中，即使相位调节器的随机序列不足以使激光输出均未显示任何与模式光谱相对应的光谱线，稳定且自我启动的超短渗水操作也可以在腔中循环单个脉冲循环。与未调节腔中的常规模式锁定相比，未观察到测量的脉冲特性的显着变化。鉴于空腔中缺乏相敏元素，预期对随机相位的不敏感性。
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.
