IEICE Society Conference 2025
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一般セッションB. Communications Society : B-10A．Optical Communication SystemsA (Optical Fibers)/B-13．Optical Fiber Technologies

[B-10A_B-13]Optical Communication SystemsA (Optical Fibers)/Optical Fiber Technologies

Wed. Sep 10, 2025 1:45 PM - 4:45 PM JST
Wed. Sep 10, 2025 4:45 AM - 7:45 AM UTC
School of Engineering Building No.1 3F Large Lecture Room(Okayama University)
Chair:Takasaka Shigehiro(Furukawa Electric Co.， Ltd.), YUUKI KAWAGUCHI(Sumitomo Electric Industries， Ltd.)
1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)Candidate for Academic Incentive AwardCareer Explorer

[B-10A_B-13-01]Coupled 2LP-mode multi-core fibers with ring-core structure for low group delay spread and low bending loss

◎△Takashi Komura1, Takanori Sato1, Ryota Imada2, Taiji Sakamoto2, Kazuhide Nakajima2, Kunimasa Saitoh1 (1. Hokkaido Univ., 2. NTT)
2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)Candidate for Academic Incentive Award

[B-10A_B-13-02]Design of a standard cladding diameter weakly coupled 3-mode 4-core dual-step index fiber with a common depressed layer and air-hole structure for C+L band transmission

◎Koichiro Miyashita1, Takanori Sato1, Taro Iwaya2, Masaki Wada2, Takashi Matsui2, Kazuhide Nakajima2, Kunimasa Saitoh1 (1. Hokkaido Univ., 2. NTT)
2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)Candidate for Academic Incentive Award

[B-10A_B-13-03]Study on effect of 3rd noise component in 3-mode 2-core bi-directional transmission

◎Taro Iwaya1, Masaki Wada1, Takashi Matsui1, Kazuhide Nakajima1 (1. NTT)
2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)Candidate for Academic Incentive AwardCareer Explorer

[B-10A_B-13-04]Investigation of Stage-Number Dependence of Spectral Compensation Using Cascaded Long Period Fiber Grating-Based 2LP-Mode Gain Equalizers

◎△Takumi Kimura1, Takanori Sato1, Masaki Wada2, Taro Iwaya2, Kazuhide Nakajima2, Kunimasa Saitoh1 (1. Hokkaido Univ., 2. NTT)
2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)Candidate for Academic Incentive Award

[B-10A_B-13-05]Study on the wavelength dependence of phase shifter using refractive index modulation

◎Kiyoshi Kamimura1, Yoko Yamashita1, Masaki Wada1, Kazuhide Nakajima1 (1. NTT Inc.)
3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[B-10A_B-13-06]Study on waveguide loss dependence on the number of scans in femtosecond laser writing

〇Yoko Yamashita1, Masaki Wada1, Kiyoshi Kamimura1, Kazuhide Nakajima1 (1. NTT, Inc.)
3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

Break time

3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[B-10A_B-13-07]The Investigation of Time-Dependent Loss Characteristics of PBGF and Optical Properties in High-Temperature Environments

〇Keita Takahata1, Takeshi Takagi1, Kazunori Mukasa1, Satoru Okamoto2, Hiroyuki Tsuda2, Naoaki Yamanaka2, Motoharu Matsuura2,3 (1. Lightera Japan Co., Ltd., 2. Keio University, 3. The University of Electro-Communications)
3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[B-10A_B-13-08]Evaluation of High-Power and High-Split Transmission Using a Hollow-core fiber

〇Takeshi Takagi1, Keita Takahata1, Kazunori Mukasa1 (1. Lightera Japan Co., Ltd.)
4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)Candidate for Academic Incentive Award

[B-10A_B-13-09]Loss reduction in optical fiber splice with gaps using graded-index type photonic crystal fiber with uniform air hole diameter

◎Oto Shimizu1, Hirohisa Yokota1 (1. Ibaraki University)
4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)Candidate for Academic Incentive Award

[B-10A_B-13-10]Study on abnormal bending loss characteristic of nested anti-resonant nodeless hollow core fiber

◎Kouhei Omoto1, Nobutomo Hanzawa1, Asa Kiuchi1, Kazuhide Nakajima1 (1. NTT Inc.)
4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)Candidate for Academic Incentive Award

[B-10A_B-13-11]Bend loss dependence on radii of the core and tubes in anti-resonant fiber

◎Asa Kiuchi1, Kouhei Omoto1, Nobutomo Hanzawa1, Kazuhide Nakajima1 (1. NTT)
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