Takahiro Nakamura

According to our database, Takahiro Nakamura authored at least 30 papers between 1999 and 2022.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2022

Highlights of 10-years of Research in a Japanese Si Photonics Project.

Yasuhiko Arakawa, Takahiro Nakamura, Kazuhiko Kurata

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022

2020

High-Speed and 16 λ-WDM Operation of Ge/Si Electro-Absorption Modulator for C-Band Spectral Regime.

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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

2019

Fingertip-Size Optical Module, "Optical I/O Core", and Its Application in FPGA.

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

IEICE Trans. Electron., 2019

2016

A 50-Gb/s Optical Transmitter Based on a 25-Gb/s-Class DFB-LD and a 0.18-µm SiGe BiCMOS LD Driver.

Takashi Takemoto, Yasunobu Matsuoka, Hiroki Yamashita, Takahiro Nakamura, Yong Lee, Hideo Arimoto, Tatemi Ido

IEICE Trans. Electron., 2016

2015

Bit error rate analysis of a silicon optical interposer using its equivalent circuit.

Daisuke Okamoto, Takeshi Akagawa, Tatsuya Usuki, Junichi Fujikata, Suguru Akiyama, Yutaka Urino, Takahiro Nakamura

IEICE Electron. Express, 2015

A 50-Gb/s NRZ-modulated optical transmitter based on a DFB-LD and a 0.18-µm SiGe BiCMOS LD driver.

Takashi Takemoto, Yasunobu Matsuoka, Yoshikazu Sugiyama, Hidenori Yonezawa, Hiroki Yamashita, Koichiro Adachi, Takahiro Nakamura, Etsuko Nomoto, Kouji Nakahara, Hideo Arimoto, Kenichi Osada, Tatemi Ido

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Optical I/O core transmitter with high tolerance to optical feedback using quantum dot laser.

Kenji Mizutani, Kenichiro Yashiki, Mitsuru Kurihara, Yasuyuki Suzuki, Yasuhiko Hagihara, Nobuaki Hatori, Takanori Shimizu, Yutaka Urino, Takahiro Nakamura, Kazuhiko Kurata, Yasuhiko Arakawa

Proceedings of the European Conference on Optical Communication, 2015

2014

Demonstration of over 1000-channel hybrid integrated light source for ultra-high bandwidth interchip optical interconnection.

Takanori Shimizu, Makoto Okano, Hiroyuki Takahashi, Nobuaki Hatori, Masashige Ishizaka, Tsuyoshi Yamamoto, Masahiko Mori, Tsuyoshi Horikawa, Yutaka Urino, Takahiro Nakamura, Yasuhiko Arakawa

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014

A SAW-less LTE transmitter with high-linearity modulator using BPF-based I/Q summing.

Takahiro Nakamura, Naoki Kitazawa, Kaoru Kohira, Hiroki Ishikuro

Proceedings of the ESSCIRC 2014, 2014

First demonstration of athermal silicon optical interposers with quantum dot lasers operating up to 125 °C.

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

Proceedings of the European Conference on Optical Communication, 2014

Demonstration of 25-Gbps optical data links on silicon optical interposer using FPGA transceiver.

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

Proceedings of the European Conference on Optical Communication, 2014

2013

Advances in High-Density Inter-Chip Interconnects with Photonic Wiring.

Yutaka Urino, Yoshiji Noguchi, Nobuaki Hatori, Masashige Ishizaka, Tatsuya Usuki, Junichi Fujikata, Koji Yamada, Tsuyoshi Horikawa, Takahiro Nakamura, Yasuhiko Arakawa

IEICE Trans. Electron., 2013

A Wide-Tuning-Range VCO with Small VCO-Gain Variation for Multi-Band W-CDMA RFIC.

Takahiro Nakamura, Tomomitsu Kitamura, Nobuhiro Shiramizu, Toru Masuda

IEICE Trans. Electron., 2013

Silicon photonics for next generation system integration platform.

Yasuhiko Arakawa, Takahiro Nakamura, Yutaka Urino, Tomoyuki Fujita

IEEE Commun. Mag., 2013

High density optical interconnects integrated with lasers, optical modulators and photodetectors on a single silicon chip.

Yutaka Urino, Tsuyoshi Horikawa, Takahiro Nakamura, Yasuhiko Arakawa

Proceedings of the 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013

High performance PIN Ge photodetector and Si optical modulator with MOS junction for photonics-electronics convergence system.

Junichi Fujikata, Masataka Noguchi, Makoto Miura, Masashi Takahashi, Shigeki Takahashi, Tsuyoshi Horikawa, Yutaka Urino, Takahiro Nakamura, Yasuhiko Arakawa

Proceedings of the 18th Asia and South Pacific Design Automation Conference, 2013

2012

A Push-Push VCO With 13.9-GHz Wide Tuning Range Using Loop-Ground Transmission Line for Full-Band 60-GHz Transceiver.

Takahiro Nakamura, Toru Masuda, Katsuyoshi Washio, Hiroshi Kondoh

IEEE J. Solid State Circuits, 2012

A Δ∑-modulator-less digitally-controlled oscillator using fractional capacitors for GSM/EDGE transmitter.

Takahiro Nakamura, Takayasu Norimatsu, Toshiya Uozumi, Keisuke Ueda, Taizo Yamawaki

Proceedings of the 38th European Solid-State Circuit conference, 2012

A digital PLL with two-step closed-locking for multi-mode/multi-band SAW-less transmitter.

Keisuke Ueda, Toshiya Uozumi, Ryo Endo, Takahiro Nakamura, Tetsuya Heima, Hisayasu Sato

Proceedings of the IEEE 2012 Custom Integrated Circuits Conference, 2012

2010

Low-power fully-integrated K-band transceiver using transformer direct-stacking/connecting and balun signal-combining techniques.

Nobuhiro Shiramizu, Akihiro Nakamura, Takahiro Nakamura, Toru Masuda, Katsuyoshi Washio

Proceedings of the 36th European Solid-State Circuits Conference, 2010

2009

A 59GHz push-push VCO with 13.9GHz tuning range using loop-ground transmission line for a full-band 60GHz transceiver.

Takahiro Nakamura, Toru Masuda, Katsuyoshi Washio, Hiroshi Kondoh

Proceedings of the IEEE International Solid-State Circuits Conference, 2009

A 20-GHz 1-V VCO with dual-transformer configuration and a pseudo-static divider on self-stabilized concept.

Takahiro Nakamura, Toru Masuda, Nobuhiro Shiramizu, Akihiro Nakamura, Katsuyoshi Washio

Proceedings of the 35th European Solid-State Circuits Conference, 2009

2008

Composite feature modeling and retrieval.

Jin Hou, Dengsheng Zhang, Zeng Chen, Xuerong Xu, Takahiro Nakamura

Proceedings of the 10th International Conference on Control, 2008

24-GHz 1-V pseudo-stacked mixer with gain-boosting technique.

Nobuhiro Shiramizu, Toru Masuda, Takahiro Nakamura, Katsuyoshi Washio

Proceedings of the ESSCIRC 2008, 2008

2006

Robust Tracking of Multiple Sound Sources by Spatial Integration of Room And Robot Microphone Arrays.

Kazuhiro Nakadai, Hirofumi Nakajima, Masamitsu Murase, Satoshi Kaijiri, Kentaro Yamada, Takahiro Nakamura, Yuji Hasegawa, Hiroshi G. Okuno, Hiroshi Tsujino

Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

Fingerprint Authentication Device Based on Optical Characteristics Inside a Finger.

Emiko Sano, Takuji Maeda, Takahiro Nakamura, Masahiro Shikai, Koji Sakata, Masahito Matsushita, Koichi Sasakawa

Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2006

2005

A two-layer model for behavior and dialogue planning in conversational service robots.

Mikio Nakano, Yuji Hasegawa, Kazuhiro Nakadai, Takahiro Nakamura, Johane Takeuchi, Toyotaka Torii, Hiroshi Tsujino, Naoyuki Kanda, Hiroshi G. Okuno

Proceedings of the 2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2005

Sound source tracking with directivity pattern estimation using a 64 ch microphone array.

Kazuhiro Nakadai, Hirofumi Nakajima, Kentaro Yamada, Yuji Hasegawa, Takahiro Nakamura, Hiroshi Tsujino

Proceedings of the 2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2005

2004

Fingerprint Image Enhancement using a Parallel Ridge Filter.

Takahiro Nakamura, Miwako Hirooka, Hideto Fujiwara, Kazuhiko Sumi

Proceedings of the 17th International Conference on Pattern Recognition, 2004

1999

Methods of Traffic Flow Measurement Using Spatlo-Temporal Image.

Hiroyasu Taniguchi, Takahiro Nakamura, Haruki Furusawa

Proceedings of the 1999 International Conference on Image Processing, 1999