Fig. 1. Conceptual diagram of the proposed mm-wave signal generation methods

Fig. 2. Spectrum of the output optical signal from the structure of triple-parallel Mach-Zehnder modulator

Fig. 3. The output optical signal from the system

Fig. 4. Best bias voltage of MZM-c versus different modulation depths m

Fig. 5. Maximum value of Q and maximum value of BER versus different fiber distance

Fig. 6. The eye diagrams and the BER versus different received power

Fig. 7. The eye diagrams and the BER versus different received power

Fig. 8. OSSR and RFSSR versus different modulation depths m

Fig. 9. OSSR and RFSSR versus different extinction ratio of the first and the second stage MZM

Fig. 10. OSSR and RFSSR versus different phase shift of RF between MZM-a and MZM-b

Fig. 11. OSSR and RFSSR versus phase shifter offset after MZM-c

Fig. 12. OSSR versus different bias voltage of MZM-c