Eigenvalue spectrum analysis for temporal signals of Kerr optical frequency combs based on nonlinear Fourier transform*

Project supported by the National Natural Science Foundation of China (Grant Nos. 61475099 and 61922040), Program of State Key Laboratory of Quantum Optics and Quantum Optics Devices, China (Grant No. KF201701), and the Key R&D Program of Guangdong Province, China (Grant No. 2018B030325002).

Wang Jia1, Sheng Ai-Guo1, Huang Xin1, Li Rong-Yu1, He Guang-Qiang1, 2, 3, †
       

The intensity and phase portrait of the intracavity signals (left column) and the corresponding eigenvalue spectra obtained by FNFT (right column). The corresponding normalized detunings are (a) ζ0 = 3.86, (c) ζ0 = 5.63, (e) ζ0 = 12.68.