*Correspondence: Graham T. Reed, Optoelectronic Research Centre, University of Southampton, Mountbatten Building, Highfield, Southampton, Hampshire SO17 1BJ, UK e-mail: [email protected] This paper presents new experimental data from a lateral PN junction silicon Mach-Zehnder optical modulator. Efficiencies in the 1.4 to 1.9 V/cm range are demonstrated for drive voltages between 0 V and 6 V. H...
