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25-Gb/s Optical Transmitter with Si Ring Modulator and CMOS Driver
임진수,이정민,유명민,반유진,조성호,최우영 한국광학회 2014 Current Optics and Photonics Vol.18 No.5
We present a 25-Gb/s optical transmitter composed of a Si ring modulator and CMOS driver circuit. The Si ring modulator is realized with 220-nm Si-on-insulator process and the driver circuit with 65-nm CMOS process. The modulator and the driver are hybrid-integrated on the printed circuit board with bonding wires. The driver is designed so that the parasitic bonding wire inductance provides enhanced driver bandwidth. The transmitter successfully demonstrates 25-Gb/s operation.