Abstract
High-capacity data transmission for intra/inter-data centre links has become necessary to accommodate the massive increase in data traffic. Data transmission needs to be reconfigured based on instantaneous demand or based on certain cyclical and predictive traffic patterns. In this work, we demonstrate a record high transmission rate of 200 Gbps/
$\lambda$
and 160 Gbps/
$\lambda$
with 40 GHz 32QAM and 40 GHz 16QAM OFDM signal (over C-band) using the wavelength-tunable InP-Si
$_{3}$
N
$_{4}$
laser source from the integrated dual laser module for short-reach application. We also demonstrate the data transmission with bandwidth reconfigurability and flexible higher-order modulation allocation enabled by this laser source's low relative intensity noise (
$< $
−160 dB/Hz). We successfully show that the data transmission performance in back-to-back and over-fibre is within the standard FEC limits and goes beyond our previous works by leveraging wideband multi-carrier to achieve rates not yet shown before with this device.
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