| A broadband active balun with inductor-less active peaking and imbalance correction K Kawahara, Y Umeda, K Takano 2021 IEEE International Midwest Symposium on Circuits and Systems (MWSCAS …, 2021 | 5 | 2021 |
| Bandwidth tripler: broadband signal generation with an image-rejection analog multiplexer for fiber optic transmitters K Kawahara, J Sawada, T Kamo, Y Umeda, K Takano, S Hara IEEE Transactions on Microwave Theory and Techniques 71 (1), 22-34, 2022 | 4 | 2022 |
| DAC-and DSP-Free Optical Transmitter Based on Triple-Parallel Si Mach-Zehnder Modulators K Kawahara, T Baba 2024 IEEE Silicon Photonics Conference (SiPhotonics), 1-2, 2024 | 2 | 2024 |
| Modeling of Si Rib and Photonic Crystal Mach-Zehnder Modulators for Electro-Optic Co-Simulation up to 64 Gbaud K Kawahara, T Baba 2023 IEEE MTT-S International Conference on Numerical Electromagnetic and …, 2023 | 2 | 2023 |
| Design of an Area-Efficient Differential Distributed Amplifier Based on the Theory of Differential Transmission Lines K Kawahara, Y Umeda, K Takano 2021 IEEE International Symposium on Circuits and Systems (ISCAS), 1-5, 2021 | 2 | 2021 |
| High-speed, low-voltage, low-bit-energy silicon photonic crystal slow-light modulator with impedance-engineered distributed electrodes K Kawahara, T Tsuchizawa, N Yamamoto, Y Maegami, K Yamada, S Hara, ... Optica 11 (9), 1212-1219, 2024 | 1 | 2024 |
| 59-fJ/bit Si Photonic Crystal Slow-Light Modulator with FinFET-Compatible Driving Voltage K Kawahara, T Tsuchizawa, N Yamamoto, Y Maegami, K Yamada, ... Optical Fiber Communication Conference, M2D. 5, 2024 | 1 | 2024 |
| A 50 Gbps 49 mW CMOS analog multiplexer for a DAC bandwidth tripler K Kawahara, J Sawada, T Kamo, Y Umeda, K Takano 2022 IEEE Radio and Wireless Symposium (RWS), 125-127, 2022 | 1 | 2022 |
| Electro-Optic Co-Simulation in High-Speed Silicon Photonics Transceiver Design Using Standard Electronic Circuit Simulator K Kawahara, T Baba arXiv preprint arXiv:2410.02282, 2024 | | 2024 |
| Triple-Parallel Si Mach-Zehnder Optical Modulators for Low-Power Flexible Transmitters K Kawahara, T Baba The 13th International Symposium on Photonics and Electronics Convergence, P-39, 2023 | | 2023 |
| A Compact Fully-Differential Distributed Amplifier with Coupled Inductors in 0.18-µm CMOS Technology K Kawahara, Y Umeda, K Takano, S Hara IEICE Transactions on Electronics 106 (11), 669-676, 2023 | | 2023 |
| 64-Gbps 3.5-Vpp Si Photonic Crystal Slow Light Optical Modulators K Kawahara, M Kamata, Y Hinakura, M Okano, G Cong, N Yamamoto, ... The 13th International Symposium on Photonic and Electromagnetic Crystal …, 2023 | | 2023 |
| A 0.0058-mm Inductor-Less CMOS Active Balun With Gain and Phase Errors Within 0.10.2 dB and 0.181.17 From DC to 8 GHz K Kawahara, Y Umeda, K Takano, S Hara IEEE Transactions on Circuits and Systems I: Regular Papers 70 (6), 2317-2330, 2023 | | 2023 |
| 40 Gbps 180 nm CMOS Modulator Driver Using Loss Compensation Gain Cells K Kawahara, Y Umeda, K Takano 2020 IEEE International Symposium on Radio-Frequency Integration Technology …, 2020 | | 2020 |
