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Increase in transmission symbol-rate as well as order of quadrature amplitude modulation (QAM) is identified as the most economical way to reduce cost per transmitted bit. In particular, next generation transponders aim at supporting data-rates up to 1 Tb/s employing superchannels due to electrical components’ bandwidth limitations. Furthermore, the introduction of a flexible-grid architecture can...
Wavelength and mode-division multiplexed 4.45 km low-DMGD (0.05ns/km) 6-LP mode fibre transmission employing low-loss all-fibre 10-port photonic lanterns is demonstrated using a 20×20 multiple input multiple-output time-domain equalizer. We measured an MDL of 8.7± 1.7dB over 10 hours.
24.3GBaud 32QAM WDM transmission over a novel 1km hole-assisted few-mode multi-core fiber is demonstrated, resulting in 5.1Tbit/s spatial supercarriers (4Tbit/s net) with a gross spectral efficiency of 102bits/s/Hz, and a gross aggregate transmission rate of 255 Tbit/s (200 Tbit/s net).
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