Optical spectral relation between the master and the frequency-locked slave lasers

In this paper, the spectral relation between the master and the frequency-locked slave laser (FLSL) is investigated by the conventional technique of optical intensity modulation and optical heterodyne. Experimentally, we demonstrate that under complete and stable locking condition, the lightwave of the FLSL and the sidebands of the master laser produced by the optical intensity modulation are perfectly coherent (frequency coherence). Referring to our recent studies, the lightwave of the master laser and its corresponding sidebands are also perfectly coherent. Additionally, the spectral structures of two perfectly coherent lightwaves are identical in the level of wave train. Therefore, we indirectly verify that the spectral structures of the FLSL and the master laser are identical in the level of wave train.

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This work is supported in part by the National Natural Science Foundation of China under Grants 60820106004, 60536010, 60777029 and 60837001, and in part by the National Basic Research and High Technology Development Programs of China under 2006CB604902, 2006CB302806, 2006DFA11880, and 2009AA03Z409, and in part by the Meteorology Industry Research Project of China under GYHY200806033.

其它

This work is supported in part by the National Natural Science Foundation of China under Grants 60820106004, 60536010, 60777029 and 60837001, and in part by the National Basic Research and High Technology Development Programs of China under 2006CB604902, 2006CB302806, 2006DFA11880, and 2009AA03Z409, and in part by the Meteorology Industry Research Project of China under GYHY200806033.