Online edition: ISSN 2432-6380
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OPE2025-100
[Invited Talk]
Technical Trend and the Latest Status of Standardization of Space Optical Communication
Tomohiro Araki
pp. 1 - 4
OPE2025-101
[Invited Talk]
Stress Distribution Analysis in Multi-Core Fibers
Gustavo Ocampo, Kunimasa Saitoh (Hokudai)
pp. 5 - 10
OPE2025-102
Design and performance comparison of standard cladding diameter weakly coupled 3-mode multi-core fibers with dual-step index and graded index cores for C+L band transmission
Koichiro Miyashita, Takanori Sato (Hokkaido Univ.), Taro Iwaya, Masaki Wada, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.)
pp. 11 - 16
OPE2025-103
Proposal of a Cladding Shape Approximation Model for Multi-Core Fibers Using the Lamé curve
Shota Kajikawa, Takuya Oda, Katsuhiro Takenaga, Kentaro Ichii (Fujikura)
pp. 17 - 20
OPE2025-104
Miniaturization of 1x2 and 1x4 Branched Multimode Polymer Optical Waveguide for MUX Device in SWDM Links
Koki Atsumi, Takaaki Ishigure (Keio Univ.)
pp. 21 - 26
OPE2025-105
Low Wavelength Dependent Polymer Waveguide type Multiplexer for MDM Link
Takumi Kanai, Takaaki Ishigure (Keio Univ.)
pp. 27 - 32
OPE2025-106
High-Dynamic-Range Crosstalk Measurement in Multi-Core Fibers Using a Broadband Optical Source
Ryota Kaji, Takuya Oda, Katsuhiro Takenaga, Kentaro Ichii (Fujikura Ltd.)
pp. 33 - 36
OPE2025-107
Estimation of Differential Group Delay and Pulse Width for Bent and Twisted Two-Core Multicore Fibers Based on Perturbation Theory
Takeshi Sugimori (FITEC), Shigehiro Takasaka, Ryuichi Sugizaki, Masanori Takahashi (Furukawa Electric)
pp. 37 - 42
OPE2025-108
Preliminary Study on OTDR Waveform Averaging for Measuring Mode-Dependent Loss Distribution Along Coupled Multi-Core Fiber
Jumpei Hayakawa, Atsushi Nakamura, Kunihiro Toge (NTT)
pp. 43 - 46
OPE2025-109
Application of graphene-doped polymer optical waveguides to wavelength convertor
Ken Kuboyama (Keio Univ.), Naoki Yamaguchi, Shinji Yamashita, Sze Yum Set (RCAST), Takaaki Ishigure (Keio Univ.)
pp. 47 - 52
OPE2025-110
Fabrication of ferro-electric liquid crystal race-track Si micro-ring resonators
Makoto Taniguchi, Hideto Kinoshita, Yuki Shimamura, Taishi Ishihara, Sayaka Seki, Yoshiki Hayama, Katsumi Nakatsuhara (KAIT)
pp. 53 - 58
OPE2025-111
Overcoming bandwidth and coherence limit of FMCW LiDAR by using swept optical frequency comb and phase noise compensation
Takahiro Nagata, Yuto Kusaka (Shimane Univ.), Chao Zhang (Kogakuin Univ./RCAST), Fumihiko Ito (Shimane Univ.), Shingo Ohno, Atsushi Nakamura, Kunihiro Toge (NTT Inc.)
pp. 59 - 63
OPE2025-112
Commercialization of PNC-OFDR based distributed strain sensing system for the deployment to structural monitoring site
Yuichi Yoshimura, Michio Imai (Kajima), Chao Zhang (Kogakuin Univ), Fumihiko Ito (Shimane Univ)
pp. 64 - 67
OPE2025-113
High-speed automatic fabrication of fiber Bragg gratings (FBGs) using a femtosecond-laser continuous-scan point-by-point writing method and spectral characterization
Yuma Matsushita, Mitsuki Okumura (APU), Shigenori Itsuzaki, Masato Takaya, Akihiko Koyama (TATSUTA), Masaya Sugimoto, Kenji Goya (APU)
pp. 68 - 71
OPE2025-114
Fabrication of Microstructures in Fluoride Fibers by Femtosecond-Laser Internal Processing and Their Sensorization
Koki Tachibana, Gakuto Ishida, Tomoya Ikeda (Akita Prefectural Univ.), Hiyori Uehara (NIFS), Shigeki Tokita (ICR, Kyoto Univ.), Yoshiaki Nishijima (Yokohama National Univ.), Kenji Goya (Akita Prefectural Univ.)
pp. 72 - 77
OPE2025-115
Study on Detection of Microplastics in Water Using MT Connector-Type Fabry-Perot Optical Sensors
Kei Kitayama, Mitsuru Kihara (OECU)
pp. 78 - 81
OPE2025-116
Reliability evaluation of submarine multi-core fiber cable termination racks
Kaoru Kawasaki, Tomo Fujihara, Hiroyuki Iida, Nobutomo Hanzawa, Tomoya Shimizu (NTT)
pp. 82 - 86
OPE2025-117
Evaluation of the Effects of Tension Release during Cable Removal on the Remaining Communication Cable
Wataru Kokubo, Yosuke Imokawa, Goto Yukihiro, Nobuyuki Okano (NTT)
pp. 87 - 90
OPE2025-118
Evaluation of the Effects of Road Surface Freezing on Optical Fiber Cable for On-road Surface Wiring
Akihiro Yanagida, Kazuo Matsuhashi, Youhei Endo, Toshiki Yoda, Shimizu Tomoya (NTT)
pp. 91 - 94
OPE2025-119
Input-output characteristics of two-wavelength input type of optical input-output nonlinear circuits
Hiroji Masuda, Yudai Takenouchi, Kokoro Kitamura (Shimane Univ.)
pp. 95 - 99
OPE2025-120
Optical Link Characteristics of Energy-Efficient 8-Channel VCSEL-Based Optical Transceiver for AI/ML Systems
Sho Yoneyama, Wataru Yoshida, Kazuya Nagashima, Kensho Nishizaki, Hideyuki Nasu (Furukawa Electric Co., Ltd.)
pp. 100 - 103
OPE2025-121
Comparison of Nonlinear Characteristics of Gain Fibers in Bidirectionally-Pumped Lumped Raman Amplifier
Shun Okada, Tomoyuki Kato, Hidenobu Muranaka, Hiroki Ooi, Yu Tanaka (1Finity), Norihiro Ohishi, Shigehiro Takasaka, Satoru Ichihara, Ryuichi Sugizaki, Toshio Kimura (Furukawa Electric), Takeshi Hoshida (1Finity)
pp. 104 - 107
Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.