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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2016-05-27 11:00 |
Okayama | Okayama International Center | [Fellow Memorial Lecture]
Research and Development of Optical Fibers and Their International Standardization Masaharu Ohashi (Osaka Prefecture Univ.)  OFT2016-10 |
45 years have already passed since optical fiber with a loss of 20dB/km was achieved by Corning. Optical fibers have bee... [more] | OFT2016-10 pp.39-44 |
| LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] | 2016-01-28 15:20 |
Hyogo | [Invited Talk]
Fundamentals of Optical Fibers and Its Trend Masaharu Ohashi (Osaka Pref. Univ.) PN2015-43 EMT2015-94 OPE2015-156 LQE2015-143 EST2015-100 MWP2015-69 |
It is about 30 years since an optical fiber was introduced into commercial optical communication systems. Since then, op... [more] | PN2015-43 EMT2015-94 OPE2015-156 LQE2015-143 EST2015-100 MWP2015-69 pp.51-56 |
|
| OFT | 2014-10-24 09:35 |
Hyogo | Mode Coupling Coefficient Measurement of a Two-Mode Fiber Using Bending Method Haruki Moriyama, Hirokazu Kubota, Yuji Miyoshi, Masaharu Ohashi (Osaka Prefecture Univ.) OFT2014-32 |
(Advance abstract in Japanese is available) [more] | OFT2014-32 pp.51-54 |
|
| OCS, OFT (Joint) |
2014-08-29 13:25 |
Hokkaido | Kushiro Royal Inn | Application of LPFG with a heat shrinkable tube to vibration sensor Yuki Okuno, Masaharu Ohashi, Yuji Miyoshi, Hirokazu Kubota (Osaka Pref. Univ.) OFT2014-20 |
Mechanically long period fiber grating (MLPFG) with a heat-shrinkable tube has some advantages that it is cheap and fabr... [more] | OFT2014-20 pp.23-26 |
| PN, NS, OCS (Joint) |
2014-06-27 10:25 |
Oita | B-ConPlaza | Nyquist OTDM scheme using optical optical correlation receiver Yuji Miyoshi, Kenyu Yoshida, Masaharu Ohashi, Hirokazu Kubota (Osaka Pref. Univ.) OCS2014-20 |
We propose a Nyquist optical time division multiplexing transmission scheme using optical root-Nyquist pulses and an opt... [more] | OCS2014-20 pp.41-45 |
| OCS, OPE, OFT (Joint) [detail] |
2014-02-27 16:40 |
Okinawa | nest HOTEL Naha | [Invited Talk]
Recent Development of Few Mode Fibers and Unresolved Issues for the Practical Applications Nobuo Kuwaki, Ryo Maruyama, Shoichiro Matsuo (Fujikura), Masaharu Ohashi (Osaka Prefecture Univ.) OCS2013-105 OFT2013-62 OPE2013-212 |
The traffic of backbone network has been increasing rapidly according to the growth of broadband users in worldwide. In ... [more] | OCS2013-105 OFT2013-62 OPE2013-212 pp.23-28(OCS), pp.41-46(OFT), pp.41-46(OPE) |
| OFT | 2013-10-24 14:15 |
Nara | A study on the resolution time of optical sampling schemes using NOLM and degenerate FWM Shinya Watanabe, Yuji Miyoshi, Masaharu Ohashi, Hirokazu Kubota (Osaka Prefecture Univ.) OFT2013-25 |
We compare with time resolution and required power of the sampling pulse about two optical sampling methods using degene... [more] | OFT2013-25 pp.15-19 |
|
| OFT | 2013-10-25 11:10 |
Nara | Relationship between Index-Parameter and Crosstalk in Multi-Core Fiber Shuhei Yamamoto, Masaharu Ohashi, Yuji Miyoshi (Osaka Prefecture Univ.) OFT2013-36 |
(Advance abstract in Japanese is available) [more] | OFT2013-36 pp.67-70 |
|
| OCS | 2013-07-26 10:40 |
Tokyo | Sumida-Sangyo-Kaikan | [Tutorial Invited Lecture]
Fundamentals of optical fibers Masaharu Ohashi (Osaka Prefecture Univ.) OCS2013-30 |
It is about 30 years since an optical fiber was introduced into commercial optical communication systems. Since then, op... [more] | OCS2013-30 pp.61-66 |
| OFT, OPE, OCS (Joint) [detail] |
2013-02-28 17:15 |
Tokyo | [Invited Talk]
Design and characteristics of Two-Mode Optical Fiber with low DMD and Large Aeff Ryo Maruyama, Nobuo Kuwaki, Kiminori Sato, Shoichiro Matsuo (Fujikura), Masaharu Ohashi (Osaka Prefecture Univ.) OCS2012-105 OFT2012-77 OPE2012-195 |
Recently, mode division multiplexing (MDM) transmission system in Few-Mode Optical Fiber (FMF) has attracted considerabl... [more] | OCS2012-105 OFT2012-77 OPE2012-195 pp.45-50 |
|
| OFT | 2013-01-25 11:20 |
Tokushima | Investigation of Offset-Launch Characteristics for Two-Mode Optical Fiber using FE-BPM Ryo Maruyama, Nobuo Kuwaki, Kiminori Sato, Shoichiro Matsuo (Fujikura), Masaharu Ohashi (Osaka Prefecture Univ.) OFT2012-67 |
[more] | OFT2012-67 pp.71-76 |
|
| OFT | 2012-10-25 16:25 |
Yamaguchi | KAIKYO MESSE SHIMONOSEKI | Transmission Characteristics of Multi-Core Fiber (MCF) with Trench-Index Cores Ro Cho, Masaharu Ohashi, Yuji Miyoshi (Osaka Prefecture Univ.) OFT2012-36 |
By using the two-core model, we clarify the effect of the index differences of the inner cladding and trench between cor... [more] | OFT2012-36 pp.21-26 |
| OCS, OFT (Joint) |
2012-08-31 09:50 |
Hokkaido | Two-mode Optical Fibers with Large-Aeff and low-DMD in the C+L-band for Mode-division Multiplexing Ryo Maruyama, Nobuo Kuwaki, Shoichiro Matsuo, Kiminori Sato (Fujikura), Masaharu Ohashi (Osaka Prefecture Univ.) OFT2012-23 |
(Advance abstract in Japanese is available) [more] | OFT2012-23 pp.23-26 |
|
| OFT | 2010-05-28 11:10 |
Hiroshima | tomo-kouminkan | Measurement technique of Raman gain efficiency spectrum distribution using two reference fibers Yasuhiro Tsutsumi, Masaharu Ohashi (Osaka Prefecture Univ.) OFT2010-14 |
A new technique for measuring Raman gain efficiency spectrum distribution using an OTDR and two reference fibers is prop... [more] | OFT2010-14 pp.67-70 |
| OFT, OCS (Joint) |
2009-08-28 10:25 |
Hokkaido | Simple Technique for Measuring Raman Gain Efficiency Spectrum Based on OTDR Yasuhiro Tsutsumi, Masaharu Ohashi (Osaka Prefecture Univ.) OFT2009-25 |
A simple technique for measuring Raman gain efficiency spectrum distribution using an OTDR is proposed. Our technique ba... [more] | OFT2009-25 pp.41-44 |
|
| OFT, OCS, ITE-BCT, IEE-CMN (Joint) [detail] |
2008-11-21 11:00 |
Oita | Study on Measurement Technique for Raman Gain Efficiency Distribution Based on Bidirectional OTDR without Pump Light. Kyoichi Oro, Ikuo Yamashita (Kansai Electric Power), Yasuhiro Tsutsumi, Tetsuro Yabu, Masaharu Ohashi (Osaka Prefecture University) |
An indirect measurement technique for Raman gain efficiency distribution along the transmission line based on the OTDR i... [more] | OCS2008-99 OFT2008-64 pp.81-84(OCS), pp.91-94(OFT) |
|
| CAS, NLP | 2007-10-19 16:30 |
Tokyo | Musashi Institute of Technology | Correct theory of image parameters of four-terminal circuit Tetsuro Yabu, Masaharu Ohashi (Osaka Pref. Univ) CAS2007-66 NLP2007-94 |
Image parameter of 4-terminal circuit is very popular in electrical circuit theory. However, theory of image parameter i... [more] | CAS2007-66 NLP2007-94 pp.83-88 |
| MW | 2006-09-05 13:25 |
Tokyo | Planar Hybrid Resonators Consisting of a Half-Wavelength and a Quarter-Wavelength Resonator Kenta Ishimaru, Shoichi Kitazawa, Masahiro Geshiro, Masaharu Ohashi (Osaka Prefecture Univ.), Hideaki Fujimoto (Kinki Univ.), Koji Wada (Univ. of Electro-Comm.) |
[more] | MW2006-91 pp.93-96 |
|
| OCS, OFT (Joint) |
2006-08-25 09:50 |
Miyagi | A formulation for solving cladding modes of round optical fiber Tetsuro Yabu, Masaharu Ohashi (Osaka Pref. Univ.) OFT2006-25 |
The multi-layer method is one of the most popular method to analyze round symmetrical optical fiber because of its high ... [more] | OFT2006-25 pp.47-55 |
|
| MW, OPE, EMT [detail] | 2006-07-27 14:25 |
Hokkaido | - Shoichi Kitazawa, Masahiro Geshiro, Masaharu Ohashi (Osaka Prefecture Univ.), Hideaki Fujimoto (Kinki Univ.), Koji Wada (UEC) |
In this study, we propose a dual-band filter by using hybrid resonators composed of a λ/2 resonator and a λ/4 resonator.... [more] | MW2006-51 OPE2006-43 pp.85-90 |
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