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We investigated wavelength-control-characteristics of a silicon photonic transmitter employing heater-integrated silicon micro-ring-modulator and flip-chip integrated CMOS driver. A novel wavelength control successfully demonstrated error-free operation at 25 Gbps during wide-package-temperature cycle between 20 and 60ºC for the first time.
In recent years, our society moves towards more and more aging society, and health care becomes one of the most important concerns. Since small-size wearable and implantable healthcare systems are required in aging society, the LSI technology becomes more important for biological information sensing. In this paper, we briefly summarize the fundamental biological sensing system, and introduce our current...
The 5×4.2 mm2 chip of the SiC DIMOSFET was fabricated and tested. The drain-source avalanche breakdown voltage without any gate bias (Vgs=0V) is measured to be >1000V. The drain current (Id) >40A is observe under the conditions of Vds=1V and Vgs=+20V. Typical Ron and specific Ron are measured to be 22 mΩ and 3.5 mΩcm2 with Vth=2.3V. The SiC DIMOSFET is introduced into the PE circuits of the...
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