Abstract
This paper demonstrates the feasibility of a simple
multigigabit-per-second (Gbps) radio-over-fiber (RoF) system employing
multilevel orthogonal frequency-division-multiplexing (OFDM) signal
modulation at 60 GHz and a single-electrode Mach–Zehnder modulator
(MZM). In this paper, the impact of fiber chromatic dispersion and OFDM beat
noise on the performance of the RoF system are investigated by theoretical
analysis, VPI WDM-TransmissionMaker simulation and experimental
demonstration. A 13.875-Gb/s QPSK OFDM signal occupying the full 7-GHz
license-free band at 60 GHz with frequency multiplication for the RoF link
is demonstrated. After 3 km of standard single-mode fiber transmission with
no dispersion compensation, the power penalty is less than 3 dB.
© 2010 IEEE
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