Abstract
In this paper, an optical generation of millimeter waves (MM-Wave) through frequency decupling using dual parallel Mach–Zehnder Modulator (DP-MZM) with Radio over Fiber transmission is demonstrated. The phases of the RF local oscillator (LO) and the modulation indices of the MZMs are carefully adjusted in order to generate 60 GHz optical MM-Wave signal from a 6 GHz RF LO. The impact of the non-ideal parameters such as modulation index, extinction ratio and the RF LO phases over the optical MM-Wave is analyzed and presented. Further, data transmission performance of the generated millimeter wave over fiber using dual tone and single tone data modulation schemes are also analyzed. The power penalty of 2.5 dB for 20 km with the dual tone modulation and 0.4 dB for 75 km with single tone modulation is achieved.
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