Eigenvalue spectrum analysis for temporal signals of Kerr optical frequency combs based on nonlinear Fourier transform<xref rid="cpb_29_3_034207fn1" ref-type="fn">*</xref><fn id="cpb_29_3_034207fn1"><label>*</label><p>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).</p></fn>

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-Qiang^{1, 2, 3, †}

The eigenvalue spectrum distribution of (a) Ψ(t) = sech (t)e^{j 0.5}; (b) Ψ(t) = sech (2t)e^{j 0.5}; (c) Ψ(t) = sech (t)e^{j sech (t)}; (d) Ψ(t) = 2 sech (2t)e^{j 0.5}. Each inset shows the intensity and phase features of the corresponding time domain signals.