Before revision: Electro-optic modulation by QCSE using Ge/SiGe quantum wells has been demostrated up to 23 Ghz with energies per bit as low as 108 fJ and integrated in a waveguide configuration on a SiGe waveguide.
After revision: Electro-optic modulation by QCSE using Ge/SiGe quantum wells has been demonstrated up to 23 Ghz with energies per bit as low as 108 fJ and integrated in a waveguide configuration on a SiGe waveguide.