Abstract
A 1.5 Tb/s super-channel is generated using all-optical orthogonal frequency-division
multiplexing (OFDM) and dual-polarization 16QAM modulation without guard interval.
We investigated the effects of DSP oversampling and receiver bandwidth using
experimental results and numerical simulations to evaluate our receiver design.
The super-channel is transmitted over 1200 km of standard single-mode fiber
on existing 100 GbE network using only 200 GHz of optical bandwidth and detected
using digital coherent receiver, achieving a spectral efficiency of 7 bit/s/Hz
the highest reported to date for all-optical OFDM techniques.
© 2011 IEEE
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