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Synchronization and Relative Timing Jitter Measurement of Femtosecond and Picosecond Laser Regenerative Amplifiers

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6 Author(s)
Liezun Chen ; Key Lab. for Micro/Nano Optoelectron. Devices, Hunan Univ., Changsha, China ; Shuangchun Wen ; Youwen Wang ; Chujun Zhao
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In this paper, precise synchronization of the femtosecond and picosecond laser regenerative amplifiers with different wavelengths and independent seed oscillators was achieved using the electronic phase-locked loop and global clock techniques. The root-mean-square relative timing jitter of the two regenerative amplifiers was measured as 0.66 ps using a modified statistical method based on the error propagation relation between the independent variables and the conventional optical cross-correlation technique. The results suggest that this method is more accurate and requires simple optical setups for low-pulse repetition rate lasers.

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Quantum Electronics, IEEE Journal of  (Volume:46 ,  Issue: 9 )