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Technical Committee on Optical Fiber Technology (OFT)
Chair: Yuji Matsuura (Tohoku Univ.)
Secretary: Shinichi Aozasa (NTT), Kazuyuki Soma (Sumitomo Electric)
Assistant: Hajime Arao (Sumitomo Electric), Yukihiro Goto (NTT)

DATE:
Thu, Oct 8, 2020 09:00 - 15:15
Fri, Oct 9, 2020 09:15 - 16:15

PLACE:
Online

TOPICS:

----- ( 10 min. ) -----

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Thu, Oct 8 AM (09:10 - 09:50)
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(1) 09:10 - 09:50
[Poster Presentation]
IoT monitoring system collaborated with hetero-core fiber optic sensor and Sigfox network
Shinichi Nanmatsu, Hiroshi Yamazaki, Kazuhiro Yamazaki (Soka Univ.)

(2) 09:10 - 09:50
(See Japanese page.)

(3) 09:10 - 09:50
[Poster Presentation]
Fabrication and elastic strain characteristics of cascaded long period fiber gratings
Manuel Guterres Soares*, Koken Fukushima, Koki Nakaya, Atsushi Wada, Satoshi Tanaka (NDA), Fumihiko Ito (Shimane Univ.)

----- Break ( 10 min. ) -----

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Thu, Oct 8 AM (10:00 - 10:40)
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(4) 10:00 - 10:40
[Poster Presentation]
Study on fabrication condition and transmission loss characteristics of multimode interference sensors using microfibers
Naoaki Abe, Mitsuru Kihara (OECU)

(5) 10:00 - 10:40
(See Japanese page.)

(6) 10:00 - 10:40
[Poster Presentation]
Multipoint vibration sensing using low-reflective FBG-FPIs and laser diode modulated by triangular wave
Koki Nakaya, Koken Fukushima, Manuel Guterres Soares, Atsushi Wada, Satoshi Tanaka (NDA)

----- Break ( 10 min. ) -----

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Thu, Oct 8 AM (10:50 - 11:30)
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(7) 10:50 - 11:30
[Poster Presentation]
Sensitivity improvement of phase-modulated fiber optic interferometer-based dynamic displacement measurement
Mikiya Fujimori, Shinya Takemae, Yosuke Tanaka (TUAT)

(8) 10:50 - 11:30
[Poster Presentation]
Analysis of propagation characteristics of 5-core micro-multicore optical fibers
Kento Kyuno, Gouta Kobayashi, Naoto Kishi (UEC)

(9) 10:50 - 11:30
[Poster Presentation]
Design of graded-index type photonic crystal fiber with uniform air hole diameter and its application to fiber collimator
Daichi Yoshihara, Hirohisa Yokota, Yoh Imai (Ibaraki Univ.)

(10) 10:50 - 11:30
[Poster Presentation]
Arbitrary-wavelength operation of FBGs inscribed in plastic optical fibers
Naoki Motoishi, Kohei Noda (Tokyo Tech), Heeyoung Lee (SIT), Antreas Theodosiou, Kyriacos Kalli (CUT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU)

----- Break ( 10 min. ) -----

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Thu, Oct 8 AM (11:40 - 12:20)
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(11) 11:40 - 12:20
[Poster Presentation]
Basic study of shape sensing for large-scale line structures with multi-core fibers by Brillouin OTDR
Makito Kobayashi, Yoshiki Maeda, Kimihiro Toh (the Univ. of Tokyo), Nobutomo Hanzawa (NTT), Kengo Koizumi, Hitoshi Murai (OKI), Ryota Wada (the Univ. of Tokyo), Takashi Matsui, Kazuhide Nakajima (NTT), Hideaki Murayama (the Univ. of Tokyo)

(12) 11:40 - 12:20
[Poster Presentation]
Numerical evaluation of errors in measuring effective area of few mode fibers due to fiber positioning in VAFF method.
Sei-iciro Kida, Yuji Miyoshi, Hirokazu Kubota (Osaka Prefecture Univ.)

(13) 11:40 - 12:20
[Poster Presentation]
Study on sensitivity improvement focusing on the number of layers of hetero core optical fiber temperature sensor using SiO2/TiO2 dielectric multilayer film structure
Koji Yuhashi, Michiko Nishiyama, Shoichi Kubodera, Kazuhiro Watanabe (Soka Univ.)

(14) 11:40 - 12:20
[Poster Presentation]
Investigation of mode conversion characteristics of LPFG fabricated on few-mode fibers
Kazuhiro Tsuboi, Mimi Higaki, Hirokazu Kubota, Yuji Miyoshi (Osaka Prefecture Univ.)

----- Break ( 60 min. ) -----

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Thu, Oct 8 PM (13:20 - 14:10)
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(15) 13:20 - 14:10
[Tutorial Invited Lecture]
Recent progress of graded-index plastic optical fiber for 8K and 5G era
Yasuhiro Koike (Keio Univ.)

----- Break ( 15 min. ) -----

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Thu, Oct 8 PM (14:25 - 15:15)
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(16) 14:25 - 15:15
[Tutorial Invited Lecture]
Research trends in optical fiber technologies
-- Review of last 10 years --
Fumihiko Ito (Shimane Univ.)

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Fri, Oct 9 AM (09:15 - 10:30)
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(17) 09:15 - 09:40
Measurement of Spatial Distribution of Fiber Birefringence by Coherent Heterodyne Detection of Rayleigth Backscattered Light
Nanako Takei, Shiro Ryu (Meiji Univ.)

(18) 09:40 - 10:05
Theoretical Study of Fiber Brillouin Scattering Using FDTD Method
Shiori Nozawa, Shiro Ryu (Meiji Univ.)

(19) 10:05 - 10:30
Analysis on fiber nonlinearity tolerance of conjugated radio-over-fiber system
Takahide Sakaomto (TMU)

----- Break ( 15 min. ) -----

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Fri, Oct 9 AM (10:45 - 12:00)
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(20) 10:45 - 11:10
Detection of inorganic compound solution by SPR hetero-core type optical fiber sensor
Nroikazu Kumekawa, Michiko Nishiyama, Kazuhiro Watanabe (Soka Univ.)

(21) 11:10 - 11:35
Development of a hetero-core fiber optic strain gauge for acceleration measurement
Hiroshi Yamazaki, Kazuhiro Watanabe (Soka Univ.)

(22) 11:35 - 12:00
Cost Analysis for the Migration/Upgrade of the Senegalese GPON Network Toward NGOA Networks
Mouhamed Diop, Makoto Tsubokawa (Waseda Univ.)

----- Break ( 60 min. ) -----

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Fri, Oct 9 PM (13:00 - 14:15)
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(23) 13:00 - 13:25
[Invited Talk]
Fan-in/out devices for multicore fbers
Ryuichi Sugizaki, Kengo Watanabe, Masanori Takahashi, Yoshihiro Arashitani (Furukawa Electric)

(24) 13:25 - 13:50
[Invited Talk]
Digital Coherent PSK Y-00 Quantum Stream Cipher for Secure Optical Fiber Communications
Ken Tanizawa, Fumio Futami (Tamagawa Univ.)

(25) 13:50 - 14:15
[Invited Talk]
Brillouin gain control via acoustic wave interference in polarization-maintaining fiber
Youhei Okawa, Kazuo Hotate (TTI)

----- Break ( 15 min. ) -----

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Fri, Oct 9 PM (14:30 - 16:15)
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(26) 14:30 - 14:55
Interferometer based on photonic integrated circuit for optical frequency domain reflectometry
Victor Shishkin, Akio Higo, Hideaki Murayama (UTokyo)

(27) 14:55 - 15:20
Optical Time/Frequency Domain Reflectometry for Continuous Time-Domain Measurement of Rayleigh Backscattered Light
Takafumi Tsuboya, Shiro Ryu (Meiji Univ.)

(28) 15:20 - 15:45
Distributed measurement of polarization state using OCDR
Kohei Noda (Tokyo Tech), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU)

----- ( 30 min. ) -----

# Information for speakers
General Talk will have 20 minutes for presentation and 5 minutes for discussion.
Invited Talk will have 20 minutes for presentation and 5 minutes for discussion.
Tutorial Invited Lecture will have 45 minutes for presentation and 5 minutes for discussion.
Poster Presentation will have 40 minutes for presentation.

=== Technical Committee on Optical Fiber Technology (OFT) ===
# FUTURE SCHEDULE:

Tue, Nov 10, 2020 - Wed, Nov 11, 2020: Online [Tue, Sep 8]
Thu, Jan 14, 2021 - Fri, Jan 15, 2021: Online [Fri, Nov 13]

# SECRETARY:
Hajime Arao (Sumitomo Electric)
TEL +81-45-853-7167, FAX +81-45-851-1565
E-mail:a