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The 7.5-Gb/s real-time end-to-end optical orthogonal frequency-division-multiplexing (OOFDM) transceivers incorporating variable power loading on each individual subcarrier are demonstrated experimentally using a live-optimized reflective semiconductor optical amplifier intensity modulator having a modulation bandwidth as narrow as 1 GHz. Real-time OOFDM signal transmission at 7.5 Gb/s over 25-km...
Colourless real-time 16-QAM optical OFDM end-to-end transmission at 7.5 Gb/s over 25 km SSMF is demonstrated experimentally, for the first time, using variable power loading and live-optimised RSOA intensity modulators with modulation bandwidths as narrow as 1 GHz.
Real-time optical OFDM transceivers with 128-QAM encoding are experimentally demonstrated, for the first time, which enable 5.25 Gb/s end-to-end transmission with the highest spectral efficiency of 5.25 bit/s/Hz over 25 km (500 m) SMF(MMF) IMDD systems involving directly modulated lasers.
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