Yusuke Koshikiya

18 papers Journal 3Unranked 15

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	First Field Demonstration of Diagnosis of Aerial Telecom Facilities by Using High-Precision Φ-OTDR DAS. OFC Yoshifumi Wakisaka, Hiroshi Takahashi, Takahiro Ishimaru, Daisuke Iida, Keisuke Murakami, Chihiro Kito, Yusuke Koshikiya, Kunihiro Toge
2025	J	`jnl`	Simultaneous Measurement of Differential Modal Group Delay in Few-Mode Fibers on the Basis of Optical Time Domain Reflectometer with Delay Lines. IEICE Trans. Commun. Masaki Nakamori, Atsushi Nakamura, Masaharu Ohashi, Yusuke Koshikiya
2025	—	`conf`	Simultaneous monitoring of 8 fiber routes by means of high-speed switching for time-sharing FDM-DAS. OFC Hiroshi Takahashi, Yoshifumi Wakisaka, Takahiro Ishimaru, Chihiro Kito, Keisuke Murakami, Daisuke Iida, Yusuke Koshikiya, Kunihiro Toge
2024	—	`conf`	Cryptographic Key Generation Using Conventional Single-Mode Fiber and an Optical Time Domain Reflectometer. OFC Yuto Sagae, Atsushi Nakamura, Takayoshi Mori, Yusuke Koshikiya, Kazuhide Nakajima
2023	—	`conf`	Bending Radius Dependence of Power Coupling Coefficient and Spatial Mode Dispersion in Coupled Multi-Core Fibers. OFC Masaki Nakamori, Atsushi Nakamura, Masaharu Ohashi, Yusuke Koshikiya
2023	—	`conf`	Definition of Mode Field Diameter for Few-Mode Fibers based on Stationary Expression of Propagation Constant. OFC Atsushi Nakamura, Masaharu Ohashi, Yusuke Koshikiya
2023	—	`conf`	Fast BOTDA acquiring method based on broadband light as a probe signal. OFC Takahiro Ishimaru, Yoshifumi Wakisaka, Hiroshi Takahashi, Daisuke Iida, Yusuke Koshikiya
2023	—	`conf`	Frequency averaging with rotation angle tracking technique in phase-OTDR DAS for large-scale vibration measurement. OFC Yoshifumi Wakisaka, Hiroshi Takahashi, Daisuke Iida, Takahiro Ishimaru, Yusuke Koshikiya
2022	—	`conf`	Method of Estimating Inter-Core Crosstalk for Constructing Uncoupled Multi-Core Fiber Transmission Line. OFC Atsushi Nakamura, Tomokazu Oda, Yusuke Koshikiya
2022	—	`conf`	Method of widening dynamic range of measurable vibration in FDM-based sampling-rate-enhanced ϕ-OTDR. OFC Yoshifumi Wakisaka, Daisuke Iida, Hiroshi Takahashi, Yusuke Koshikiya
2022	—	`conf`	Wideband Impulse Response Measurement of Coupled 2-Core Fibers of Various Lengths employing Dual-Comb Coherent Sampling. OFC Masafumi Uyama, Masaki Uno, Shuki Okamura, Chao Zhang, Fumihiko Ito, Atsushi Nakamura, Tatsuya Okamoto, Yusuke Koshikiya
2021	—	`conf`	Distributed Vibration Sensing of Seismic Event by Optical Frequency Domain Reflectometry. ECOC Tatsuya Okamoto, Daisuke Iida, Yusuke Koshikiya, Nazuki Honda
2019	—	`conf`	Potential Fault Detection in Optical Cables Using OTDR Operating in Two-Modes. OECC/PSC Atsushi Nakamura, Keiji Okamoto, Yusuke Koshikiya, Tetsuya Manabe
2018	J	`jnl`	Branching Ratio Design of Optical Coupler for Cable Re-Routing Operation Support System with No Service Interruption. IEICE Trans. Commun. Hiroshi Watanabe, Kazutaka Noto, Yusuke Koshikiya, Tetsuya Manabe
2018	—	`conf`	Proactive Detection of Optical Cable Failure Caused by Water Freezing Using 1-μm-band Mode-Detection OTDR. OFC Atsushi Nakamura, Yusuke Koshikiya, Tetsuya Manabe
2015	—	`conf`	Identification of loss factors by evaluating backscattered modal loss ratio obtained with 1-µm-band mode-detection OTDR. OFC Atsushi Nakamura, Keiji Okamoto, Yusuke Koshikiya, Tetsuya Manabe, Manabu Oguma, Toshikazu Hashimoto, Mikitaka Itoh
2013	—	`conf`	Identification of high-PMD sections along installed optical cables with long range OFDR. OFC/NFOEC Fumihiko Ito, Xinyu Fan, Yusuke Koshikiya
2007	J	`jnl`	Newly Developed Optical Fiber Line Testing System Employing Bi-Directional OTDRs for PON and In-Service Line Testing Criteria. IEICE Trans. Commun. Yusuke Koshikiya, Noriyuki Araki, Hisashi Izumita, Fumihiko Ito