Error-free 56 Gb/s NRZ modulation of a 1530 nm VCSEL link

Abstract

We demonstrate a 1530 nm VCSEL that can operate error-free without DSP or FEC to 56 Gb/s. At 50 Gb/s, error-free operation is attained up to 2 km of SMF. A 2-tap FFE driver is used to pre-compensate the VCSEL.