29 January 2007 Stabilization and phase control of femtosecond Ti:sapphire laser with a repetition rate of 90MHz
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Proceedings Volume 6279, 27th International Congress on High-Speed Photography and Photonics; 62793X (2007) https://doi.org/10.1117/12.725341
Event: 27th International congress on High-Speed Photography and Photonics, 2006, Xi'an, China
Abstract
Carrier-enveloped phase controlled femtosecond laser has an important application in the absolute frequency measurement, which lead to a revolutionary progress in the frequency metrology. In this paper we will report a high stable optical frequency comb based on a 90MHz repetition rate Ti:sapphire laser, by using a photonic crystal fiber to broaden octave spanning spectrum and a self-reference technology to measure the offset frequency fceo, both the repetition rate frep and fceo are locked simultaneously to a cesium clock with phase lock loop (PLL) technology. For simultaneous stabilization of frep and fceo, two sets of phase-locked loop electronics are introduced to control separately the laser cavity length for frep with a PZT and the pump laser for fceo with an acoustic optics modulation (AOM) respectively. As the result, we stabilized the frep at a fluctuation within the order of μHz, and fceo is in the order of mHz, which support a frequency comb with an uncertainty of 10-14.
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Wei Zhang, Wei Zhang, Hainian Han, Hainian Han, Peng Wang, Peng Wang, Zhiyi Wei, Zhiyi Wei, } "Stabilization and phase control of femtosecond Ti:sapphire laser with a repetition rate of 90MHz", Proc. SPIE 6279, 27th International Congress on High-Speed Photography and Photonics, 62793X (29 January 2007); doi: 10.1117/12.725341; https://doi.org/10.1117/12.725341
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