P-OPALS: pure optical-parallel array logic system. - Jun Tanida; Tsuyoshi Konishi; Yoshiki Ichioka (Proc. IEEE, 1994)

Optical Label Recognition Based on Additional Pre-Spread Coding. - Hideaki Furukawa; Tsuyoshi Konishi; Kazuyoshi Itoh; Naoya Wada; Fumito Kubota (OpNeTec, 2004)

The Integration of the All-Optical Analog-to-Digital Converter by Use of Self-Frequency Shifting in Fiber and a Pulse-Shaping Technique. - Takashi Nishitani; Tsuyoshi Konishi; Kazuyoshi Itoh (OpNeTec, 2004)

Discrimination of All Types of 4-Bit Optical Code by Optical Time-Gating and Designed Label Recognition Filter in Label Recognition Using Optical Correlation. - Hideaki Furukawa; Tsuyoshi Konishi; Kazuyoshi Itoh; Naoya Wada; Tetsuya Miyazaki (IEICE Trans. Commun., 2005)

Performance Analysis of Ultra-Fast All-Optical Analog-to-Digital Converter Using Optical Multiple-Level Thresholding Module Based on Self-Frequency Shift in Fiber. - Tsuyoshi Konishi; Takashi Nishitani; Kazuyoshi Itoh (IEICE Trans. Electron., 2007)

All-Optical Analog-to-Digital Conversion Using Optical Delay Line Encoders. - Takashi Nishitani; Tsuyoshi Konishi; Kazuyoshi Itoh (IEICE Trans. Electron., 2007)

Wavelength- and Time-Selective Reconfigurable Optical Add/Drop Multiplexer Using Time-Frequency Domain Processing. - Tsuyoshi Konishi; Ryosuke Itoh; Kazuyoshi Itoh (EURASIP J. Adv. Signal Process., 2010)

40-Gb/s and Highly Accurate All-Optical Intensity Limiter Driving Low-Power-Consumption Based on Self-Phase Modulation by Using Numerical Simulation. - Kentaro Kawanishi; Kazuyoshi Itoh; Tsuyoshi Konishi (IEICE Trans. Electron., 2013)

100-GS/s 5-Bit Real-Time Optical Quantization for Photonic Analog-to-Digital Conversion. - Takema Satoh; Kazuyoshi Itoh; Tsuyoshi Konishi (IEICE Trans. Electron., 2013)

Optical pulse ruler for advanced optical pulse signal profiling. - Tsuyoshi Konishi; Tomotaka Nagashima; Takuya Murakawa (ICTON, 2014)

Advanced optical pulse signal profiling using distributable "optical pulse ruler". - Tsuyoshi Konishi; Tomotaka Nagashima; Takuya Murakawa (OFC, 2014)

Parallel Use of Dispersion Devices for Resolution Improvement of Optical Quantization at High Sampling Rate. - Tomotaka Nagashima; Takema Satoh; Petre Catalin; Kazuyoshi Itoh; Tsuyoshi Konishi (IEICE Trans. Electron., 2014)

Break even point analysis of photonic analog-to-digital conversion on power consumption. - Tsuyoshi Konishi; M. Hasegawa; Tomotaka Nagashima; Takuya Murakawa (ECOC, 2015)

PAPR management of all-optical OFDM signal using fractional fourier transform for fibre nonlinearity mitigation. - Tomotaka Nagashima; Gabriella Cincotti; Takuya Murakawa; Satoshi Shimizu; M. Hasegawa; Kuninori Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Naoya Wada; Hiroyuki Uenohara; Tsuyoshi Konishi (ECOC, 2015)

Flexible power-efficient Nyquist-OTDM transmitter, using a WSS and time-lens effect. - Gabriella Cincotti; Satoshi Shimizu; Takuya Murakawa; Takahiro Kodama; Kunihiro Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Tomotaka Nagashima; Makoto Hasegawa; Naoya Wada; Hiroyuki Uenohara; et al. (OFC, 2015)

Fractional OFDM based transmitter and receiver for time/frequency multiplexing in gridless, elastic networks. - Takuya Murakawa; Gabriella Cincotti; Satoshi Shimizu; Tomotaka Nagashima; M. Hasegawa; Kuninori Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Naoya Wada; Hiroyuki Uenohara; Tsuyoshi Konishi (OFC, 2015)

Quantization Error Improvement for Optical Quantization Using Dual Rail Configuration. - Tomotaka Nagashima; Makoto Hasegawa; Takuya Murakawa; Tsuyoshi Konishi (IEICE Trans. Electron., 2015)

Moiré effect-based spectral resolution enhancement for fine WDM-based optical signal processing and measurement. - Tsuyoshi Konishi (ICTON, 2016)

Nonlinear-Error-Free Optical Quantization Using Dense Spectral Slicing. - Takahiro Kodama; Ryosuke Matsumoto; Akihiro Maruta; Tsuyoshi Konishi; Ken-ichi Kitayama (IEICE Trans. Commun., 2016)

Measurement of mode-locking process using optical pulse ruler. - Tsuyoshi Konishi; Yu Yamasaki; Motoki Hiraoka; Tomotaka Nagashima (ICTON, 2017)

Power efficient optical serial-to-parallel conversion using fractional OFDM-based linear technique. - Motoki Hiraoka; Tomotaka Nagashima; Gabriella Cincotti; Satoshi Shimizu; Yu Yamasaki; Kuninori Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Naoya Wada; Hiroyuki Uenohara; Tsuyoshi Konishi (IEICE Electron. Express, 2017)

Power Efficient Fine Spectral Compression for High Resolution Optical Quantization Based on Intensity-to-Lambda Conversion. - Tsuyoshi Konishi; Yuta Kaihori; Yu Yamasaki (ICTON, 2019)

Enhanced Optical Communications Through Joint Time-Frequency Multiplexing Strategies. - Tsuyoshi Konishi; Takuya Murakawa; Tomotaka Nagashima; Satoshi Shimizu; Makoto Hasegawa; Kuninori Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Naoya Wada; Hiroyuki Uenohara; Takahiro Kodama; et al. (OFC, 2019)

Resolution maximization toward over 7bit optical quantization based on intensity-to-lambda conversion within C-band. - Yuta Kaihori; Yu Yamasaki; Tsuyoshi Konishi (OECC/PSC, 2019)

100 GHz Serial-to-parallel Conversion using N-OTDM-to-OFDM conversion via Fr-OFDM. - Takuya Nakamichi; Yu Yamasaki; Tsuyoshi Konishi (OECC/PSC, 2019)

Flexible baud-rate switching for Nyquist OTDM signals. - Koji Takahashi; Yu Yamasaki; Takashi Inoue; Tsuyoshi Konishi (OECC/PSC, 2019)

SNR improvement of picosecond optical pulse by ASE noise suppression for high resolution OTDR in IoT. - Yu Yamasaki; Tsuyoshi Konishi (OECC/PSC, 2019)

Suppression Effect on Nonlinear Distortion in Long Haul Transmission using Fractional OFDM Subcarriers. - Yu Yamasaki; Tomotaka Nagashima; Gabriella Cincotti; Satoshi Shimizu; Kuninori Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Naoya Wada; Hiroyuki Uenohara; Tsuyoshi Konishi (OECC/PSC, 2019)

Flexible and lossless baud-rate switching for 4-time slots Nyquist OTDM signals using wavelength selective switch. - Koji Takahashi; Yu Yamasaki; Takashi Inoue; Tsuyoshi Konishi (IEICE Electron. Express, 2019)

Spectroscopic Inspection Optimization for Edge Computing in Industry 4.0. - Tsuyoshi Konishi; Takuya Nakamichi; Ryohei Kamikawa; Yu Yamasaki (ICTON, 2020)

Experimental emulation of nonlinear distortion suppression by FrOFDM subcarriers. - Yu Yamasaki; Tomotaka Nagashima; Gabriella Cincotti; Satoshi Shimizu; Kuninori Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Naoya Wada; Hiroyuki Uenohara; Tsuyoshi Konishi (IEICE Electron. Express, 2020)

Available Spectral Space in C-Band Expansion Remaining After Optical Quantization Based on Intensity-to-Lambda Conversion. - Yuta Kaihori; Yu Yamasaki; Tsuyoshi Konishi (IEICE Trans. Commun., 2020)

Demonstration of coherent detection technique for broadband optical comb light source. - Satoshi Shimizu; Ryohei Kamikawa; Yuta Kaihori; Yu Yamasaki; Tsuyoshi Konishi (IEICE Electron. Express, 2021)

Low-Complexity Coherent Detection for Short-Reach Links using Compressed Sensing and Self-Interference in Optical OFDM Subcarriers. - Saki Fujimura; Ryohei Kamikawa; Tsuyoshi Konishi (OECC/PSC, 2022)

Data Assimilation Retrieval of Structure Model of Tapered Waveguides for Optical Coupling. - Junpei Funatsuki; Tomoya Kurahashi; Tsuyoshi Konishi (OECC/PSC, 2022)

Timing jitter suppression below 100 fs in photonic frequency band migration from MHz to GHz for Millimeter-wave Band Arbitrary Waveform Generation. - Masayuki Makino; Yuta Kaihori; Tsuyoshi Konishi (OECC/PSC, 2022)

GHz-class Photonic Tunable Interleaver with Timing Jitter Compression Below 100 fs Based on a MHz-Class Low-Frequency Arbitrary Waveform Generator Upgraded by Optical Time Compression. - Shizen Nakayama; Tomoki Tsuji; Masayuki Makino; Saki Fujimura; Tsuyoshi Konishi (PSC, 2023)

Light path modeling using a guided light change passing through a 3D co-packaged optical device. - Tsuyoshi Konishi; Shizen Nakayama; Junpei Funatsuki (ICTON, 2024)

Light Path Modeling Based on Data Assimilation Using Changes in a Guided Light Passing Through a Packaged Optical Waveguide Device. - Shizen Nakayama; Koichiro Ohkushi; Junpei Funatsuki; Tsuyoshi Konishi (IEEE Access, 2025)