Abstract

A wavelength division multiplexed (WDM) radio over fiber access network architecture, capable of simultaneously transmitting both 63 GHz wireless and $2.5\mathrm{Gb}/\mathrm{s}$ wired data, is proposed in this paper. An optical carrier suppression effect and multiplexing of a 50 GHz spaced arrayed waveguide grating are employed to generate a 63 GHz millimeter-wave signal based on WDM. These techniques allow the proposed scheme to simultaneously transmit both wireless and wired data. For full colorless operation, a reflective semiconductor optical amplifier is used at the central office and base station. Error-free simultaneous transmissions [wired data: bit error rate (BER) of ${10}^{-12}$, wireless data: BER of ${10}^{-9}$] of $2.5\mathrm{Gb}/\mathrm{s}$ wired data and $1.25\mathrm{Gb}/\mathrm{s}$ wireless data are achieved. Various impacts of the downlink transmission on the performance of uplink data are investigated with the proposed scheme.

© 2013 Optical Society of America

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