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)

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)

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)