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; et al. (ECOC, 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; et al. (ECOC, 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 (OFC, 2014)

5 mW/Gbps hybrid-integrated Si-photonics-based optical I/O cores and their 25-Gbps/ch error-free operation with over 300-m MMF. - Kenichiro Yashiki; Yasuyuki Suzuki; Yasuhiko Hagihara; Mitsuru Kurihara; Masatoshi Tokushima; Junichi Fujikata; Akio Ukita; Koichi Takemura; Takanori Shimizu; Daisuke Okamoto; Jun Ushida; Shigeki Takahashi; et al. (OFC, 2015)

High-sensitivity Autocorrelation Measurement of Ultrafast Optical Pulses Using Silicon Wire P-I-N Waveguides. - Guangwei Cong; Yuriko Maegami; Morifumi Ohno; Makoto Okano; Koji Yamada (ECOC, 2017)

A 300-mm-wafer silicon photonics technology for advanced information systems. - Koji Yamada; Guangwei Cong; Makoto Okano; Yuriko Maegami; Morifumi Ohno; Keijiro Suzuki; Satoshi Suda; Ryotaro Konoike; Kazuhiro Ikeda; Hitoshi Kawashima; Tsuyoshi Horikawa; Shu Namiki; et al. (ISDCS, 2019)

High-Efficient Black-Box Calibration of Large-Scale Silicon Photonics Switches by Bacterial Foraging Algorithm. - Guangwei Cong; Noritsugu Yamamoto; Takashi Inoue; Makoto Okano; Yuriko Maegami; Morifumi Ohno; Koji Yamada (OFC, 2019)

Performance of On-Chip Autocorrelator with Digital Delay Lines. - Guangwei Cong; Makoto Okano; Yuriko Maegami; Rai Kou; Morifumi Ohno; Koji Yamada (OECC/PSC, 2019)

Interferometer-Based Photonic Circuit Classifier Showing >90% Accuracy for Well-Known Iris Dataset without Utilizing Nonlinear Activation Function. - Guangwei Cong; Noritsugu Yamamoto; Takashi Inoue; Yuriko Maegami; Morifumi Ohno; Makoto Okano; Shu Namiki; Koji Yamada (OFC, 2020)

Low-capacitance Ultrathin InGaAs Membrane Photodetector on Si Slot Waveguide towards Receiver-less System. - Tomohiro Akazawa; D. Wu; Kai Sumita; N. Sekine; Makoto Okano; Kasidit Toprasertpong; Shinichi Takagi; Mitsuru Takenaka (VLSI Technology and Circuits, 2022)

EDF sigma laser using double-pass cascaded-chirped long-period fiber grating with birefringence compensation effect and its application for strain measurement. - Koken Fukushima; Makoto Okano; Atsushi Wada; Satoshi Tanaka; Fumihiko Ito (IEICE Electron. Express, 2022)

EDF laser displacement sensor based on bending characteristics of polarization-independent double-pass cascaded-chirped long-period fiber grating. - Koken Fukushima; Makoto Okano; Atsushi Wada; Satoshi Tanaka; Fumihiko Ito (IEICE Electron. Express, 2023)

Optical constants of Ge2Sb2Te3S2. - Yuto Miyatake; Kotaro Makino; Junji Tominaga; Noriyuki Miyata; Takashi Nakano; Makoto Okano; Kasidit Toprasertpong; Shinichi Takagi; Mitsuru Takenaka (IEEE DataPort, 2023)

Inference and training in deep learning using a symmetric optical crossbar array. - Rui Tang; Shuhei Ohno; Ken Tanizawa; Kazuhiro Ikeda; Makoto Okano; Kasidit Toprasertpong; Shinichi Takagi; Mitsuru Takenaka (OFC, 2024)

A symmetric silicon microring resonator optical crossbar array for accelerated inference and training in deep learning. - Rui Tang; Shuhei Ohno; Ken Tanizawa; Kazuhiro Ikeda; Makoto Okano; Kasidit Toprasertpong; Shinichi Takagi; Mitsuru Takenaka (CoRR, 2024)

Waveguide-multiplexed photonic matrix-vector multiplication processor using multiport photodetectors. - Rui Tang; Makoto Okano; Chao Zhang; Kasidit Toprasertpong; Shinichi Takagi; Mitsuru Takenaka (CoRR, 2024)

Scalable intensity-based photonic matrix-vector multiplication processor using single-wavelength time-division-multiplexed signals. - Chengli Chai; Rui Tang; Makoto Okano; Kasidit Toprasertpong; Shinichi Takagi; Mitsuru Takenaka (CoRR, 2025)