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The first 1 Gbit/s, automatic-power-control-free zero-bias modulation has been successfully demonstrated using very low-threshold GaAs/AlGaAs MQW lasers. A stable multi-longitudinal mode oscillation due to zero-bias modulation was also observed. This result simplifies driving circuitry and is an important step towards realisation of high-speed and high-density optoelectronic integrated circuits.
Date of Publication: December 3 1987