Takahiro Nakamura

31 papers A 2C 1Journal 7Unranked 21

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	Broadband 205-GHz Vertical-Illumination Photodiode Enabled by Interference-based Absorption and Field Engineering. ECOC Yuki Yamada, Ikue Hiraoka, Shohei Kosuga, Takahiro Nakamura, Yusuke Araki, Fumito Nakajima
2022	—	`conf`	Highlights of 10-years of Research in a Japanese Si Photonics Project. OFC Yasuhiko Arakawa, Takahiro Nakamura, Kazuhiko Kurata
2020	—	`conf`	High-Speed and 16 λ-WDM Operation of Ge/Si Electro-Absorption Modulator for C-Band Spectral Regime. OFC Junichi Fujikata, Masataka Noguchi, Seok-Hwan Jeong, Yosuke Onawa, Daisuke Shimura, Kazuki Kawashita, Riku Katamawari, Hideaki Okayama, Shigeki Takahashi, Hideki Ono, Hiroyuki Takahashi, Hiroki Yaegashi, Yasuhiko Ishikawa, Takahiro Nakamura
2019	J	`jnl`	Fingertip-Size Optical Module, "Optical I/O Core", and Its Application in FPGA. IEICE Trans. Electron. Takahiro Nakamura, Kenichiro Yashiki, Kenji Mizutani, Takaaki Nedachi, Junichi Fujikata, Masatoshi Tokushima, Jun Ushida, Masataka Noguchi, Daisuke Okamoto, Yasuyuki Suzuki, Takanori Shimizu, Koichi Takemura, Akio Ukita, Yasuhiro Ibusuki, Mitsuru Kurihara, Keizo Kinoshita, Tsuyoshi Horikawa, Hiroshi Yamaguchi, Junichi Tsuchida, Yasuhiko Hagihara, Kazuhiko Kurata
2016	J	`jnl`	A 50-Gb/s Optical Transmitter Based on a 25-Gb/s-Class DFB-LD and a 0.18-µm SiGe BiCMOS LD Driver. IEICE Trans. Electron. Takashi Takemoto, Yasunobu Matsuoka, Hiroki Yamashita, Takahiro Nakamura, Yong Lee, Hideo Arimoto, Tatemi Ido
2015	—	`conf`	A 50-Gb/s NRZ-modulated optical transmitter based on a DFB-LD and a 0.18-µm SiGe BiCMOS LD driver. OFC Takashi Takemoto, Yasunobu Matsuoka, Yoshikazu Sugiyama, Hidenori Yonezawa, Hiroki Yamashita, Koichiro Adachi, Takahiro Nakamura, Etsuko Nomoto, Kouji Nakahara, Hideo Arimoto, Kenichi Osada, Tatemi Ido
2015	J	`jnl`	Bit error rate analysis of a silicon optical interposer using its equivalent circuit. IEICE Electron. Express Daisuke Okamoto, Takeshi Akagawa, Tatsuya Usuki, Junichi Fujikata, Suguru Akiyama, Yutaka Urino, Takahiro Nakamura
2015	—	`conf`	Optical I/O core transmitter with high tolerance to optical feedback using quantum dot laser. ECOC Kenji Mizutani, Kenichiro Yashiki, Mitsuru Kurihara, Yasuyuki Suzuki, Yasuhiko Hagihara, Nobuaki Hatori, Takanori Shimizu, Yutaka Urino, Takahiro Nakamura, Kazuhiko Kurata, Yasuhiko Arakawa
2014	—	`conf`	A SAW-less LTE transmitter with high-linearity modulator using BPF-based I/Q summing. ESSCIRC Takahiro Nakamura, Naoki Kitazawa, Kaoru Kohira, Hiroki Ishikuro
2014	—	`conf`	Demonstration of 25-Gbps optical data links on silicon optical interposer using FPGA transceiver. ECOC Daisuke Okamoto, Yutaka Urino, Takeshi Akagawa, Suguru Akiyama, Takeshi Baba, Tatsuya Usuki, Makoto Miura, Junichi Fujikata, Takanori Shimizu, Makoto Okano, Nobuaki Hatori, Masashige Ishizaka, Tsuyoshi Yamamoto, Hiroyuki Takahashi, Yoshiji Noguchi, Masataka Noguchi, Masahiko Imai, Masashi Yamagishi, Shigeru Saitoh, Naoki Hirayama, Masashi Takahashi, Emiko Saito, Daisuke Shimura, Hideaki Okayama, Yosuke Onawa, Hiroki Yaegashi, Hidetaka Nishi, Hiroshi Fukuda, Koji Yamada, Masahiko Mori, Tsuyoshi Horikawa, Takahiro Nakamura, Yasuhiko Arakawa
2014	—	`conf`	Demonstration of over 1000-channel hybrid integrated light source for ultra-high bandwidth interchip optical interconnection. OFC Takanori Shimizu, Makoto Okano, Hiroyuki Takahashi, Nobuaki Hatori, Masashige Ishizaka, Tsuyoshi Yamamoto, Masahiko Mori, Tsuyoshi Horikawa, Yutaka Urino, Takahiro Nakamura, Yasuhiko Arakawa
2014	—	`conf`	First demonstration of athermal silicon optical interposers with quantum dot lasers operating up to 125 °C. ECOC Yutaka Urino, Nobuaki Hatori, Takeshi Akagawa, Takanori Shimizu, Makoto Okano, Masashige Ishizaka, Tsuyoshi Yamamoto, Hideaki Okayama, Yosuke Onawa, Hiroyuki Takahashi, Daisuke Shimura, Hiroki Yaegashi, Hidetaka Nishi, Hiroshi Fukuda, Koji Yamada, Makoto Miura, Junichi Fujikata, Suguru Akiyama, Takeshi Baba, Tatsuya Usuki, Yoshiji Noguchi, Masataka Noguchi, Masahiko Imai, Naoki Hirayama, Shigeru Saitou, Masashi Yamagishi, Masashi Takahashi, Emiko Saito, Daisuke Okamoto, Masahiko Mori, Tsuyoshi Horikawa, Takahiro Nakamura, Yasuhiko Arakawa
2013	J	`jnl`	A Wide-Tuning-Range VCO with Small VCO-Gain Variation for Multi-Band W-CDMA RFIC. IEICE Trans. Electron. Takahiro Nakamura, Tomomitsu Kitamura, Nobuhiro Shiramizu, Toru Masuda
2013	J	`jnl`	Advances in High-Density Inter-Chip Interconnects with Photonic Wiring. IEICE Trans. Electron. Yutaka Urino, Yoshiji Noguchi, Nobuaki Hatori, Masashige Ishizaka, Tatsuya Usuki, Junichi Fujikata, Koji Yamada, Tsuyoshi Horikawa, Takahiro Nakamura, Yasuhiko Arakawa
2013	—	`conf`	High density optical interconnects integrated with lasers, optical modulators and photodetectors on a single silicon chip. OFC/NFOEC Yutaka Urino, Tsuyoshi Horikawa, Takahiro Nakamura, Yasuhiko Arakawa
2013	—	`conf`	High performance PIN Ge photodetector and Si optical modulator with MOS junction for photonics-electronics convergence system. ASP-DAC Junichi Fujikata, Masataka Noguchi, Makoto Miura, Masashi Takahashi, Shigeki Takahashi, Tsuyoshi Horikawa, Yutaka Urino, Takahiro Nakamura, Yasuhiko Arakawa
2013	J	`jnl`	Silicon photonics for next generation system integration platform. IEEE Commun. Mag. Yasuhiko Arakawa, Takahiro Nakamura, Yutaka Urino, Tomoyuki Fujita
2012	J	`jnl`	A Push-Push VCO With 13.9-GHz Wide Tuning Range Using Loop-Ground Transmission Line for Full-Band 60-GHz Transceiver. IEEE J. Solid State Circuits Takahiro Nakamura, Toru Masuda, Katsuyoshi Washio, Hiroshi Kondoh
2012	—	`conf`	A digital PLL with two-step closed-locking for multi-mode/multi-band SAW-less transmitter. CICC Keisuke Ueda, Toshiya Uozumi, Ryo Endo, Takahiro Nakamura, Tetsuya Heima, Hisayasu Sato
2012	—	`conf`	A Δ∑-modulator-less digitally-controlled oscillator using fractional capacitors for GSM/EDGE transmitter. ESSCIRC Takahiro Nakamura, Takayasu Norimatsu, Toshiya Uozumi, Keisuke Ueda, Taizo Yamawaki
2010	—	`conf`	Low-power fully-integrated K-band transceiver using transformer direct-stacking/connecting and balun signal-combining techniques. ESSCIRC Nobuhiro Shiramizu, Akihiro Nakamura, Takahiro Nakamura, Toru Masuda, Katsuyoshi Washio
2009	—	`conf`	A 20-GHz 1-V VCO with dual-transformer configuration and a pseudo-static divider on self-stabilized concept. ESSCIRC Takahiro Nakamura, Toru Masuda, Nobuhiro Shiramizu, Akihiro Nakamura, Katsuyoshi Washio
2009	—	`conf`	A 59GHz push-push VCO with 13.9GHz tuning range using loop-ground transmission line for a full-band 60GHz transceiver. ISSCC Takahiro Nakamura, Toru Masuda, Katsuyoshi Washio, Hiroshi Kondoh
2008	—	`conf`	24-GHz 1-V pseudo-stacked mixer with gain-boosting technique. ESSCIRC Nobuhiro Shiramizu, Toru Masuda, Takahiro Nakamura, Katsuyoshi Washio
2008	C	`conf`	Composite feature modeling and retrieval. ICARCV Jin Hou, Dengsheng Zhang, Zeng Chen, Xuerong Xu, Takahiro Nakamura
2006	—	`conf`	Fingerprint Authentication Device Based on Optical Characteristics Inside a Finger. CVPR Workshops Emiko Sano, Takuji Maeda, Takahiro Nakamura, Masahiro Shikai, Koji Sakata, Masahito Matsushita, Koichi Sasakawa
2006	—	`conf`	Robust Tracking of Multiple Sound Sources by Spatial Integration of Room And Robot Microphone Arrays. ICASSP (4) Kazuhiro Nakadai, Hirofumi Nakajima, Masamitsu Murase, Satoshi Kaijiri, Kentaro Yamada, Takahiro Nakamura, Yuji Hasegawa, Hiroshi G. Okuno, Hiroshi Tsujino
2005	A	`conf`	A two-layer model for behavior and dialogue planning in conversational service robots. IROS Mikio Nakano, Yuji Hasegawa, Kazuhiro Nakadai, Takahiro Nakamura, Johane Takeuchi, Toyotaka Torii, Hiroshi Tsujino, Naoyuki Kanda, Hiroshi G. Okuno
2005	A	`conf`	Sound source tracking with directivity pattern estimation using a 64 ch microphone array. IROS Kazuhiro Nakadai, Hirofumi Nakajima, Kentaro Yamada, Yuji Hasegawa, Takahiro Nakamura, Hiroshi Tsujino
2004	—	`conf`	Fingerprint Image Enhancement using a Parallel Ridge Filter. ICPR (1) Takahiro Nakamura, Miwako Hirooka, Hideto Fujiwara, Kazuhiko Sumi
1999	—	`conf`	Methods of Traffic Flow Measurement Using Spatlo-Temporal Image. ICIP (4) Hiroyasu Taniguchi, Takahiro Nakamura, Haruki Furusawa