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A Super-Tripling Technology Used in Radio-Over-Fiber Systems for Multiservice Wireless Signals Within a Millimeter-Wave Band

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5 Author(s)

A super-tripling technology used in radio-over-fiber systems is presented in this letter for the optical generation and multiplexing of multiservice wireless signals within a millimeter-wave band. To realize the technology, optical carrier suppression is followed by optical single sideband with suppressed carrier modulation in the central station and optical stopband filtering in the base station is utilized. With the technology, 38.5-GHz amplitude shift keying and 41-GHz differential phase-shift keying signals both with 1.25-Gb/s data bit rate were demonstrated experimentally, and power penalties of about 1 dB at a bit-error rate of 10^{-8} were obtained after both signals transmitted over 10 km fiber. The spurious-free dynamic range of the link was measured to be 65 \hbox {dB}\cdot\hbox {Hz}^{2/3} for the 38.5-GHz channel and 70 \hbox {dB}\cdot\hbox {Hz}^{2/3} for the 41-GHz channel, both with the phase-noise at about {-} 70 dBc/Hz.

Published in:

Photonics Technology Letters, IEEE  (Volume:21 ,  Issue: 20 )