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  • Received: Sep. 18, 2020

    Accepted: --

    Posted: Jan. 14, 2021

    Published Online: Jan. 14, 2021

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    DOI: 10.3788/IRLA20201058

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    Yihan Pi, Chunze Wang, Minglie Hu. Ultra-low timing jitter femtosecond laser technology (Invited)[J]. Infrared and Laser Engineering, 2020, 49(12): 20201058

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Infrared and Laser Engineering, Vol. 49, Issue 12, 20201058 (2020)

Ultra-low timing jitter femtosecond laser technology (Invited)

Pi Yihan, Wang Chunze, Hu Minglie

Author Affiliations

  • Key Laboratory of Opto-electronic Information Science and Technology of Ministry of Education, School of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China

Abstract

The time jitter of a femtosecond laser is the short-term deviation of the optical pulse position relative to its ideal equally spaced pulse position. Femtosecond lasers emit uniformly spaced ultrashort pulse train. The quantum-noise-limited timing jitter can be as low as few tens of attoseconds in millisecond time scale. This unique property and its advanced applications constitute a new branch of ultrafast research, "Attosecond precision ultrafast photonics". In this paper, the recent advances in femtosecond laser timing jitter research, high-precision timing jitter characterization methods, and the ultralow timing jitter that can be achieved by different kinds of femtosecond laser sources were reviewed. Finally, the application of low-jitter femtosecond lasers in the fields of synchronization of large-scale scientific instruments, high-speed analog-to-digital conversion, absolute ranging technology and coherent beam combination are introduced.

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