Norio Chujo

21 papers C 3Journal 8Unranked 10
YearRankTypeTitle / Venue / Authors
2025 J jnl
A Through Silicon Via (TSV) Architecture of the Bumpless Build Cube (BBCube) for Stacked Memory Devices.
IEEE J. Emerg. Sel. Topics Circuits Syst.
Shinji Sugatani, Hiroyuki Ryoson, Norio Chujo, Masao Taguchi, Koji Sakui, Takayuki Ohba
2025 J jnl
Bumpless Build Cube (BBCube) 3D: Heterogeneous 3D Integration Using WOW and COW.
IEEE J. Emerg. Sel. Topics Circuits Syst.
Norio Chujo, Hiroyuki Ryoson, Koji Sakui, Shinji Sugatani, Masao Taguchi, Takayuki Ohba
2023 — conf
Bumpless Build Cube (BBCube) 3D: Heterogeneous 3D Integration Using WoW and CoW to Provide TB/s Bandwidth with Lowest Bit Access Energy.
VLSI Technology and Circuits
Norio Chujo, Koji Sakui, Shinji Sugatani, Hiroyuki Ryoson, Tomoji Nakamura, Takayuki Ohba
2021 — conf
Multi-Chips High-Speed and High-Voltage Amplifier.
APCCAS
Wen Li, Masami Makuuchi, Norio Chujo
2018 J jnl
25-Gbps 3-mW/Gbps/ch VCSEL Driver Circuit in 65-nm CMOS for Multichannel Optical Transmitter.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Toru Yazaki, Norio Chujo, Takeshi Takemoto, Hiroki Yamashita, Akira Hyogo
2014 C conf
25-Gbps×4 optical transmitter with adjustable asymmetric pre-emphasis in 65-nm CMOS.
ISCAS
Toru Yazaki, Norio Chujo, Hiroki Yamashita, Takashi Takemoto, Yong Lee, Yasunobu Matsuoka
2014 J jnl
A 25-Gb/s 2.2-W 65-nm CMOS Optical Transceiver Using a Power-Supply-Variation-Tolerant Analog Front End and Data-Format Conversion.
IEEE J. Solid State Circuits
Takashi Takemoto, Hiroki Yamashita, Fumio Yuki, Noboru Masuda, Hidehiro Toyoda, Norio Chujo, Yong Lee, Shinji Tsuji, Shinji Nishimura
2014 J jnl
A 25-to-28 Gb/s High-Sensitivity (-9.7 dBm) 65 nm CMOS Optical Receiver for Board-to-Board Interconnects.
IEEE J. Solid State Circuits
Takashi Takemoto, Hiroki Yamashita, Toru Yazaki, Norio Chujo, Yong Lee, Yasunobu Matsuoka
2014 — conf
Automatic adjustment system for optical interconnection transmitter using improved particle swarm optimization.
ISIC
Kenichi Ohhata, Hiroki Nakahara, Takuya Inoue, Toru Yazaki, Norio Chujo, Takuma Nishimoto
2013 J jnl
25 Gb/s 150-m Multi-Mode Fiber Transmission Using a CMOS-Driven 1.3-µm Lens-Integrated Surface-Emitting Laser.
IEICE Trans. Electron.
Daichi Kawamura, Toshiaki Takai, Yong Lee, Kenji Kogo, Koichiro Adachi, Yasunobu Matsuoka, Norio Chujo, Reiko Mita, Saori Hamamura, Satoshi Kaneko, Kinya Yamazaki, Yoshiaki Ishigami, Toshiki Sugawara, Shinji Tsuji
2013 — conf
A 25-Gb/s × 4-Ch, 8 × 8 mm
OFC/NFOEC
Norio Chujo, Toru Yazaki, Toshiaki Takai, Daichi Kawamura, Yasunobu Matsuoka, Yong Lee, Toshiki Sugawara, Hiroki Yamashita, Takashi Takemoto, Yoshiaki Ishigami, Kinya Yamazaki, Yoshinori Sunaga, Naoki Matsushima
2013 — conf
A 4× 25-to-28Gb/s 4.9mW/Gb/s -9.7dBm high-sensitivity optical receiver based on 65nm CMOS for board-to-board interconnects.
ISSCC
Takashi Takemoto, Hiroki Yamashita, Toru Yazaki, Norio Chujo, Yong Lee, Yasunobu Matsuoka
2013 — conf
Compact and power-efficient 100-Gbps CMOS-based transceiver.
OFC/NFOEC
Takashi Takemoto, Hiroki Yamashita, Fumio Yuki, Shinji Tsuji, Yong Lee, Koichiro Adachi, Kazunori Shinoda, Yasunobu Matsuoka, Toshiki Sugawara, Shinji Nishimura, Norio Chujo, Masaaki Nido, Kazuhiko Kurata, Junji Baba, Yoshinori Watanabe, Naoya Ikeda
2013 — conf
High-frequency circuit design for 25 Gb/s×4 optical transceiver.
ASP-DAC
Norio Chujo, Takashi Takemoto, Fumio Yuki, Hiroki Yamashita
2012 — conf
A 25-Gb/s 2.2-W optical transceiver using an analog FE tolerant to power supply noise and redundant data format conversion in 65-nm CMOS.
VLSIC
Takashi Takemoto, Hiroki Yamashita, Takehito Kamimura, Fumio Yuki, Noboru Masuda, Hidehiro Toyoda, Norio Chujo, Kenji Kogo, Yong Lee, Shinji Tsuji, Shinji Nishimura
2011 J jnl
A 2-GHz Gain Equalizer for Analog Signal Transmission Using Feedforward Compensation by a Low-Pass Filter.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masayoshi Takahashi, Keiichi Yamamoto, Norio Chujo, Ritsurou Orihashi
2011 J jnl
A 25 Gb/s 65-nm CMOS Low-Power Laser Diode Driver With Mutually Coupled Peaking Inductors for Optical Interconnects.
IEEE Trans. Circuits Syst. I Regul. Pap.
Norio Chujo, Toshiaki Takai, Toshiki Sugawara, Yasunobu Matsuoka, Daichi Kawamura, Koichiro Adachi, Tsuneo Kawamata, Tsuneo Ohno, Kenichi Ohhata
2010 C conf
17 Gb/s VCSEL driver using double-pulse asymmetric emphasis technique in 90-nm CMOS for optical interconnection.
ISCAS
Kenichi Ohhata, Hironori Imamura, Toshinobu Ohno, Takaya Taniguchi, Kiichi Yamashita, Toru Yazaki, Norio Chujo
2010 C conf
A 25 Gbps inductorless receiver front-end in 65-nm CMOS for serial links.
ISCAS
Norio Chujo, Takehito Kamimura, Goichi Ono, Fumio Yuki
2010 — conf
A 25Gb/s laser diode driver with mutually coupled peaking inductors for optical interconnects.
CICC
Norio Chujo, Tsuneo Kawamata, Kenichi Ohhata, Toshinobu Ohno
2008 — conf
An 8Gb/s Transceiver with 3×-Oversampling 2-Threshold Eye-Tracking CDR Circuit for -36.8dB-loss Backplane.
ISSCC
Koji Fukuda, Hiroki Yamashita, Fumio Yuki, Masayoshi Yagyu, Ryo Nemoto, Takashi Takemoto, Tatsuya Saito, Norio Chujo, Keiichi Yamamoto, Hisaaki Kanai, Atsuhiro Hayashi