通过光纤频率梳的高带宽相位稳定性传递
光学
2016-01-15 v2 原子物理
摘要
我们展示了利用掺铒光纤频率梳将729 nm二极管激光器锁相到1542 nm主激光器,采用传输振荡器前馈方案,以前所未有的1.8 MHz带宽抑制频率梳噪声的影响。我们通过在对数微秒时间尺度上对囚禁钙离子进行相干操控,实现了99%的保真度,从而说明了其性能。因此我们证明,即使没有从二极管激光器的预稳定,传输振荡器锁相也能为高保真量子逻辑操控提供充足的相位稳定性。
引用
@article{arxiv.1505.02084,
title = {High-bandwidth transfer of phase stability through a fiber frequency comb},
author = {Nils Scharnhorst and Jannes B. Wübbena and Stephan Hannig and Kornelius Jakobsen and Johannes Kramer and Ian D. Leroux and Piet O. Schmidt},
journal= {arXiv preprint arXiv:1505.02084},
year = {2016}
}
备注
6 pages, 3 figures. To be published in Optics Express. Clarified method for measuring laser noise spectra. Improved spectroscopic data in Fig. 3, with motional decoherence now suppressed