Figure | Noise performance of the CS and NLP lasers modes. (IMAGE)
Caption
a, The phase noise characteristics of the CS state laser. b, The phase noise characteristics of the NLP state laser. The pulse noise performance of the two different states shows that the phase noise (timing jitter) of the CS state is better than the NLP. c, DFT recording of single-shot spectra over 25 consecutive round trips d, The six typical frames of NLP spectra based on the dispersive Fourier transform technique. The flanking of the NLP spectra measured by the dispersive Fourier transform technique varies from shot to shot, but the bandwidth remains essentially unchanged when compared with that of the spectrometer. Six typical frame-by-frame spectral traces illustrate the evolution of the NLP spectrum more visually. The strongest peaks of its spectrum alternate at the center wavelength, and the evolution of the sidebands is rather chaotic. The phenomenon can be attributed to the properties of NLP, i.e., a cluster of pulses consisting of a series of sub-pulses with randomly distributed amplitudes and durations
Credit
by Zixin Yang, Qiang Yu, Jian Wu, Haiqin Deng, Yan Zhang, Wenchao Wang, Tianhao Xian, Luyi Huang, Junrong Zhang, Shuai Yuan, Jinyong Leng, Li Zhan, Zongfu Jiang, Junyong Wang, Kai Zhang, and Pu Zhou
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CC BY