Robust sub-millihertz-level offset locking for transferring optical frequency accuracy and for atomic two-photon spectroscopy

Wang Yau Cheng, Ting Ju Chen, Chia Wei Lin, Bo Wei Chen, Ya Po Yang, Hung Yi Hsu

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Robust sub-millihertz-level offset locking was achieved with a simple scheme, by which we were able to transfer the laser frequency stability and accuracy from either cesium-stabilized diode laser or comb laser to the other diode lasers who had serious frequency jitter previously. The offset lock developed in this paper played an important role in atomic two-photon spectroscopy with which record resolution and new determination on the hyperfine constants of cesium atom were achieved. A quantum-interference experiment was performed to show the improvement of light coherence as an extended design was implemented.

Original languageEnglish
Pages (from-to)2752-2762
Number of pages11
JournalOptics Express
Volume25
Issue number3
DOIs
StatePublished - 6 Feb 2017

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