Demonstration of optical correlation domain reflectometry based on coherence synchronization for long-range measurement. - Tatsuya Okamoto; Daisuke Iida; Kunihiro Toge; Tetsuya Manabe (ECOC, 2015)

Error Vector Magnitude Evaluation of Terahertz Transmitter Employing Optical Frequency Comb. - Shigeru Kuwano; Daisuke Iida; Jun Terada; Akihiro Otaka; Naoto Yoshimoto; Shintaro Hisatake; Tadao Nagatsuma (IEICE Trans. Electron., 2015)

High-frequency distributed acoustic sensing faster than repetition limit with frequency-multiplexed phase-OTDR. - Daisuke Iida; Kunihiro Toge; Tetsuya Manabe (OFC, 2016)

Long-range C-OFDR measurement of Rayleigh scatter signature of fiber beyond laser coherence length. - Shingo Ohno; Daisuke Iida; Kunihiro Toge; Tetsuya Manabe (OFC, 2016)

Impulse Response of Multicore Fibre Measured by High-Dynamic Range Linear Optical Sampling with Picosecond Resolution. - Takuya Arakawa; Naoto Kono; Fumihiko Ito; Daisuke Iida; Tetsuya Manabe (ECOC, 2017)

Distributed Spatial Mode Dispersion Measurement Along Strongly Coupled Multicore Fibre with C-OFDR. - Shingo Ohno; Daisuke Iida; Kunihiro Toge; Tetsuya Manabe (ECOC, 2017)

Nondestructive characterization of differential mode delay in few-mode fiber link using Rayleigh backscattering spectral shifts. - Shingo Ohno; Daisuke Iida; Kunihiro Toge; Tetsuya Manabe (OFC, 2017)

Measurement of Spectral Transfer Matrix of Few-Mode Fibres by Using Coherent Linear Optical Sampling. - Fumihiko Ito; Takuya Arakawa; Daisuke Iida; Tetsuya Manabe (ECOC, 2018)

Identification of Sagging Aerial Cable Section by Distributed Vibration Sensing Based on OFDR. - Tatsuya Okamoto; Daisuke Iida; Hiroyuki Oshida (OFC, 2019)

Estimating Modal Group Delay Characteristics of Few-Mode Fibres from Fibre Parameters. - Atsushi Nakamura; Masaharu Ohashi; Daisuke Iida; Hirokazu Kubota (ECOC, 2020)

40µm Spatial Resolution Optical Frequency Domain Reflectometry at 3 km Based on Relative Distance Measurement to Local Delay Fibre. - Tatsuya Okamoto; Daisuke Iida; Hiroyuki Oshida (ECOC, 2020)

Distributed Measurement of Mode Dispersion of SDM Fibers. - Shingo Ohno; Kunihiro Toge; Daisuke Iida; Tetsuya Manabe (OFC, 2020)

Investigation of Tolerance of OFDR-Based DAS to Vibration-Induced Beat Frequency Offset. - Tatsuya Okamoto; Daisuke Iida; Hiroyuki Oshida (OFC, 2020)

Distortion-Suppressed Sampling Rate Enhancement in Phase-OTDR Vibration Sensing with Newly Designed FDM Pulse Sequence for Correctly Monitoring Various Waveforms. - Yoshifumi Wakisaka; Daisuke Iida; Hiroyuki Oshida (OFC, 2020)

Measurement of Spectral Transfer Matrix for DMD Analysis by Using Linear Optical Sampling. - Yuki Osaka; Fumihiko Ito; Daisuke Iida; Tetsuya Manabe (IEICE Trans. Commun., 2020)

Distributed Vibration Sensing of Seismic Event by Optical Frequency Domain Reflectometry. - Tatsuya Okamoto; Daisuke Iida; Yusuke Koshikiya; Nazuki Honda (ECOC, 2021)

Method of widening dynamic range of measurable vibration in FDM-based sampling-rate-enhanced ϕ-OTDR. - Yoshifumi Wakisaka; Daisuke Iida; Hiroshi Takahashi; Yusuke Koshikiya (OFC, 2022)

BOTDA-Based Technique for Measuring Maximum Loss and Crosstalk at Splice Point in Few-Mode Fibers. - Tomokazu Oda; Atsushi Nakamura; Daisuke Iida; Hiroyuki Oshida (IEICE Trans. Commun., 2022)

Fast BOTDA acquiring method based on broadband light as a probe signal. - Takahiro Ishimaru; Yoshifumi Wakisaka; Hiroshi Takahashi; Daisuke Iida; Yusuke Koshikiya (OFC, 2023)

Frequency averaging with rotation angle tracking technique in phase-OTDR DAS for large-scale vibration measurement. - Yoshifumi Wakisaka; Hiroshi Takahashi; Daisuke Iida; Takahiro Ishimaru; Yusuke Koshikiya (OFC, 2023)

Simultaneous monitoring of 8 fiber routes by means of high-speed switching for time-sharing FDM-DAS. - Hiroshi Takahashi; Yoshifumi Wakisaka; Takahiro Ishimaru; Chihiro Kito; Keisuke Murakami; Daisuke Iida; Yusuke Koshikiya; Kunihiro Toge (OFC, 2025)

First Field Demonstration of Diagnosis of Aerial Telecom Facilities by Using High-Precision Φ-OTDR DAS. - Yoshifumi Wakisaka; Hiroshi Takahashi; Takahiro Ishimaru; Daisuke Iida; Keisuke Murakami; Chihiro Kito; Yusuke Koshikiya; Kunihiro Toge (OFC, 2025)

Vector-based multi-frequency-position phase averaging of Ф-OTDR DAS for large-scale vibration monitoring. - Yoshifumi Wakisaka; Hiroshi Takahashi; Takahiro Ishimaru; Daisuke Iida; Kunihiro Toge (OFC, 2025)