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CHI-BA+KUN
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CHI-BA+KUN
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keikawa/README.md

👋 Hi there

I am Keisuke Kawahara, an Assistant Professor at Institute of Science Tokyo. I’m interested in electornic and photonic integrated circuit.

🛠️ Chip Gallery
Integrated Silicon Photonics Transmitter Integrated Silicon Photonics Transmitter

0.78-pJ/bit optical transmitter for multi-terabit co-packaged optics enabled by electronics-photonics co-design.

📄 IEEE JSTQE (🔓) · 📄 OECC PDP
Si Photonic Crystal Modulator Si Photonic Crystal Optical Modulator

Achieving record low-power Si slow-light modulator by optimizing the electrode impedance.

📄 Optica (🔓) · 📄 OFC
Analog Multiplexer (AMUX) Analog Multiplexer

World's first demonstration of bandwidth tripling of digital-to-analog converters.

📄 IEEE T-MTT · 📄 IEEE RWS
Active Balun Active Balun

Imbalance correction and bandwidth extension are simultaneously achieved by an active feedback technique.

📄 IEEE TCAS-I · 📄 IEEE MWSCAS
Differential Distributed Amplifier Distributed Amplifier

Coupled inductors halve the chip footprint of a differential distributed amplifier.

📄 IEICE TREL (🔓) · 📄 IEEE ISCAS
CMOS Temperature Sensor Temperature Sensor

The trimless temperature sensor is based on an open-source design rule and is freely reusable.

GitHub Repository
CMOS Operational Amplifier Operational Amplifiers

The class-AB CMOS operational amplifier consumes only 7.7 µA and provides a slew rate of 1 V/µs for a 1-nF load.

Slides for 2021 and 2020

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  1. Verilog-A-photonic-model-library Verilog-A-photonic-model-library Public

    Verilog-A model library for photonic devices and components used in electronics-photonics co-simulation

    7 1

  2. affinity-circuit-symbols-asset affinity-circuit-symbols-asset Public

    An asset which include circuit symbols for drawing schematics and block diagrams with Affinity Designer

    32 4