Max Planck Institute for the Science of Light, University of Erlangen-Nuremberg, Guenther-Scharowsky-Str. 1, 91058 Erlangen, Germany.
Opt Lett. 2013 Feb 15;38(4):561-3. doi: 10.1364/OL.38.000561.
We report the experimental demonstration of a passively mode-locked Er-doped fiber ring laser operating at the 337th harmonic (1.80 GHz) of the cavity. The laser makes use of highly efficient Raman-like optoacoustic interactions between the guided light and gigahertz acoustic resonances trapped in the micron-sized solid glass core of a photonic crystal fiber. At sufficient pump power levels the laser output locks to a repetition rate corresponding to the acoustic frequency. A stable optical pulse train with a side-mode suppression ratio higher than 45 dB was obtained at low pump powers (~60 mW).
我们报告了一种被动锁模掺铒光纤环形激光器的实验演示，其工作在腔的第 337 次谐波（1.80GHz）处。该激光利用导波光与陷在微尺寸光子晶体光纤的固体玻璃芯中的千兆赫兹声波共振之间的高效类喇曼声光相互作用。在足够高的泵浦功率水平下，激光输出锁定到与声波频率相对应的重复率。在低泵浦功率（约 60mW）下，获得了具有高于 45dB 的边模抑制比的稳定光脉冲串。
