The proposed frequency octupling method demonstrates the generation of millimeter-wave (mmw) signal using LiNbO3 Mach–Zehnder modulator based on frequency octupling. The optical carrier suppression modulation scheme is employed to produce a mmw signal of 80 GHz. The advantage of this scheme is that the frequency can be generated by using single LiNbO3 intensity modulator by adjusting the bias voltage and modulation voltage. When compared to the other experiments carried out for the generation of mmw, this scheme has better performance in terms of bit error rate and cost-effectiveness. The data rate of 3 GB/s has been transmitted over standard single-mode fiber for a distance of 50 km, and the result includes optical spectrum, electrical spectrum, eye diagram and Q-factor in order to ensure the robustness of generated mmw signal.
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