Phase compensating algorithm investigation of real-time adaptive femtosecond pulse shaping

Xin Lou; Tie-ju Sun; Fang-zhen Duan; Xue-hua Yang; Yong-ming Nie

doi:10.1117/12.2033143

17 September 2013 Phase compensating algorithm investigation of real-time adaptive femtosecond pulse shaping

Xin Lou, Tie-ju Sun, Fang-zhen Duan, Xue-hua Yang, Yong-ming Nie

Proceedings Volume 8904, International Symposium on Photoelectronic Detection and Imaging 2013: High Power Lasers and Applications; 89040P (2013) https://doi.org/10.1117/12.2033143
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

Based on the real-time adaptive femtosecond pulse shaping system, the phase compensating algorithms which can effectively compensate the output shaping waveform distortions are investigated in detail. The simulated-annealing algorithm that can modify the output pulse temporal waveforms iteratively toward the target shapes using the second harmonic generating frequency resolved optical gating (SHG-FROG) measurement as feedback is proposed. Compared with the cross-correlation feedback measurement method, the output based on the SHG-FROG measurement method is better and the temporal chirp of the output pulse is compensated more effectively. Moreover the performance of the SHG-FROG measurement feedback algorithm is compared to other exemplary standard approaches such as the Genetic Algorithm based on the cross-correlation feedback measurement method, the result is much better.

Citation Download Citation

Xin Lou, Tie-ju Sun, Fang-zhen Duan, Xue-hua Yang, and Yong-ming Nie "Phase compensating algorithm investigation of real-time adaptive femtosecond pulse shaping", Proc. SPIE 8904, International Symposium on Photoelectronic Detection and Imaging 2013: High Power Lasers and Applications, 89040P (17 September 2013); https://doi.org/10.1117/12.2033143

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