Fig. 1. Scheme of triangular waveform/sinusoidal signal generator based on OEO system and evolution of optical field in system. (a) Polarization angle of the optical field with each polarization axis; (b) corresponding optical spectra in the system

Fig. 2. J1(β) and J3(β) versus modulation index of MZM

Fig. 3. (a) Waveform diagram, (b) electrical spectrum, and (c) optical spectrum under 5 GHz signal modulation

Fig. 4. Optical spectrum of triangular waveform with repetition frequency of 5 GHz

Fig. 5. (a) Waveform diagram and (b) electrical spectrum of triangular waveform with repetition frequency of 5 GHz

Fig. 6. (a) 5 GHz sinusoidal signal; (b) electrical spectrum