Repeaterless data transmission at 1310 nm using silicon photonic integrated circuit

NRZ data with PRBS length 2 31 − 1, was propagated over 25 km of standard single mode fibre at a rate of 10 Gbit/s and 12.5 Gbit/s in a repeater-less transmission system. Results show that, for a received optical power of −13.2 dBm, the BER were 2.7 × 10 −6 and 3.3 × 10 −4 respectively, with sufficient margin below the FEC limit of 1 × 10 −3 . The packaged transmitter comprised an integrated DFB laser, electro-absorption modulator and semiconductor optical amplifier hybrid integrated on silicon wafer.