Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OFT |
2019-05-16 14:00 |
Osaka |
I-site NANBA |
OFT2019-9 |
In recent years, internet traffic has been increasing, and Nyquist optical time division multiplexing (N-OTDM) transmiss... [more] |
OFT2019-9 pp.37-40 |
OFT |
2019-05-16 16:00 |
Osaka |
I-site NANBA |
[Poster Presentation]
Loss Characteristics in Anti-Resonant Small-Core Fibers Tatsuya Terai, Hirokazu Kubota, Yuji Miyoshi, Masaharu Ohashi (Osaka Prefecture Univ.) OFT2019-17 |
[more] |
OFT2019-17 pp.73-76 |
OFT |
2019-05-16 16:00 |
Osaka |
I-site NANBA |
[Poster Presentation]
Electric field distribution and polarization characteristics of higher order modes propagating through elliptic core optical fiber Tsukasa Nakashima, Hirokazu Kubota, Yuji Miyoshi, Masaharu Ohashi (Osaka Pre Univ.) OFT2019-18 |
In mode division multiplex communication, when using a planar lightwave circuit for mode separation, it is desirable to ... [more] |
OFT2019-18 pp.77-80 |
ITE-BCT, OCS, OFT, IEE-CMN [detail] |
2018-11-08 13:45 |
Okayama |
Kurashiki-City-Geibunnkan |
Evaluation of group index difference of high order modes in polarization maintaining - two modes fiber by wavelength scanning Kazuki Ikeda, Hirokazu Kubota, Yuji Miyoshi, Masaharu Ohashi (Osaka Prefecture Univ.) OFT2018-53 |
In LP11 mode of perfect core fiber, four modes degenerate. It is solved in PM-TMF and separated into four modes. We prop... [more] |
OFT2018-53 pp.5-9 |
ITE-BCT, OCS, OFT, IEE-CMN [detail] |
2018-11-08 14:10 |
Okayama |
Kurashiki-City-Geibunnkan |
Nonlinear Tolerance Using Short Pulse Transmission for the Standard Single Mode Fiber Sayato Kanoh, Yuuji Miyoshi, Hirokazu Kubota, Masaharu Ohashi (Osaka Prefecture Univ.) OFT2018-54 |
In the long distance optical fiber transmission system, the amplified spontaneous emission noise includes degradation of... [more] |
OFT2018-54 pp.11-14 |
ITE-BCT, OCS, OFT, IEE-CMN [detail] |
2018-11-08 14:35 |
Okayama |
Kurashiki-City-Geibunnkan |
Dependence of nonlinear signal degradation on baud rate and frequency interval in Nyquist OTDM-WDM transmission Koki Ono, Yuji Miyoshi, Hirokazu Kubota, Masaharu Ohashi (Osaka Prefecture Univ.) OFT2018-55 |
Large capacity transmission corresponding to recent Internet traffic increase is demanded. Since the bandwidth available... [more] |
OFT2018-55 pp.15-18 |
OFT, OCS, IEE-CMN, ITE-BCT [detail] |
2017-11-24 14:50 |
Osaka |
Kansa-Univ. Umeda Campus |
Effect of Surface Modes on Core Modes in Hollow-Core Photonic Bandgap Fibers Nobuaki Kosake, Hirokazu Kubota, Yuji Miyoshi, Masaharu Ohashi (Osaka Pref. Univ.) OFT2017-55 |
Hollow-core photonic bandgap fibers (PBGFs) with low attenuation and dispersion are expected because they use a micro st... [more] |
OFT2017-55 pp.71-74 |
OFT |
2017-05-25 15:40 |
Shimane |
Shimane Univ. (Matsue campus) |
[Poster Presentation]
Temperature property of long period fiber grating with a heat-shrinkable tube in the 800 nm wavelength range. Takahiro Hase, Yasuhiro Tsutsumi, Masaharu Ohashi, Hirokazu Kubota, Yuji Miyoshi (Osaka Pref. Univ.) OFT2017-6 |
Transmission characteristics of a long period fiber grating (LPFG) in the 800 nm wavelength range which is composed of a... [more] |
OFT2017-6 pp.25-28 |
OFT |
2017-05-25 15:40 |
Shimane |
Shimane Univ. (Matsue campus) |
[Poster Presentation]
Chromatic dispersion measurement of a few mode fiber using interferomeric technique and mode converter Ryuki Miyazaki, Masaharu Ohashi, Hirokazu Kubota, Yuji Miyoshi (Osaka Pref. Univ.), Nori Shibata (Nihon Univ.) OFT2017-9 |
Few-mode fiber (FMF) is attracting attention as a means of expanding the transmission capacity in fiber-optic communicat... [more] |
OFT2017-9 pp.41-44 |
OFT |
2017-05-25 16:50 |
Shimane |
Shimane Univ. (Matsue campus) |
[Poster Presentation]
Suppression technique for distortion of Nyquist OTDM signal due to residual dispersion using correlation detection Kosuke Morimoto, Yuji Miyoshi, Hirokazu Kubota, Masaharu Ohashi (Osaka Pref. Univ.) OFT2017-12 |
We have proposed a correlation detection scheme for suppression of the distortion of Nyquist OTDM signal due to residual... [more] |
OFT2017-12 pp.53-57 |
OFT |
2017-05-25 16:50 |
Shimane |
Shimane Univ. (Matsue campus) |
[Poster Presentation]
Evaluation method of bending loss in LP11 mode of two-mode fiber Masaaki Taruno, Hirokazu Kubota, Masaharu Ohashi, Yuji Miyoshi (Osaka Pref. Univ.) OFT2017-13 |
The technique for estimating the bending radius dependence of bending loss of LP11mode in a two-mode fiber is proposed. ... [more] |
OFT2017-13 pp.59-62 |
OFT |
2017-05-25 16:50 |
Shimane |
Shimane Univ. (Matsue campus) |
[Poster Presentation]
Transmission Scheme for Suppressing Nonlinear Signal Degradation using Correlation Detection Masafumi Nakaoka, Yuji Miyoshi, Hirokazu Kubota, Masaharu Ohashi (Osaka Pref. Univ.) OFT2017-17 |
We propose a transmission scheme for suppressing signal degradation due to self-phase modulation and cross-phase modulat... [more] |
OFT2017-17 pp.77-80 |
OCS, OFT, OPE (Joint) [detail] |
2017-02-16 15:05 |
Osaka |
Osaka Prefecture University(I-site Nanba) |
Effective Indices of Elliptical Core Optical Fibers Suitable for Mode Division Multiplexed Communication Hirokazu Kubota, Kazuki Mine, Yuji Miyoshi, Masaharu Ohashi (Osaka Pref. Univ.) OFT2016-46 OPE2016-161 |
Inter-modal crosstalk in the few-mode optical fiber is reduced by increasing an effective index difference between the f... [more] |
OFT2016-46 OPE2016-161 pp.11-14 |
OCS, OFT, OPE (Joint) [detail] |
2017-02-17 09:55 |
Osaka |
Osaka Prefecture University(I-site Nanba) |
Effect of surface modes on dispersion in hollow-core photonic bandgap fibers Nobuaki Kosake, Hirokazu Kubota, Yuji Miyoshi, Masaharu Ohashi (Osaka Pref. Univ.) OFT2016-50 OPE2016-167 |
Realization of hollow-core photonic bandgap fibers (PBGFs) with low attenuation and dispersion are expected because they... [more] |
OFT2016-50 OPE2016-167 pp.29-32(OFT), pp.39-42(OPE) |
OCS, OFT, OPE (Joint) [detail] |
2017-02-17 11:20 |
Osaka |
Osaka Prefecture University(I-site Nanba) |
OCS2016-77 OFT2016-53 OPE2016-170 |
(Advance abstract in Japanese is available) [more] |
OCS2016-77 OFT2016-53 OPE2016-170 pp.33-36(OCS), pp.45-48(OFT), pp.55-58(OPE) |
OFT |
2017-01-20 13:30 |
Tokyo |
Kikaishinko Kaikan |
Measuring Method of Loss Characteristics of Few-mode Fibers Based on Impulse Response Measurement Technique Saki Nozoe, Takashi Matsui, Kyozo Tsujikawa (NTT), Masaaki Taruno, Hirokazu Kubota, Masaharu Ohashi (Osaka Pref. Univ.), Kazuhide Nakajima (NTT) OFT2016-36 |
The space division multiplexing transmission based on multi-core fiber and few-mode fiber (FMF) has been currently attra... [more] |
OFT2016-36 pp.5-9 |
OFT |
2016-05-26 16:25 |
Okayama |
Okayama International Center |
Mode dependent loss measurement of few mode fibers using conventional OTDR HIrokazu Kubota, Yuji Miyoshi, Masaharu Ohashi (Osaka Pref. Univ.), Takayoshi Mori, Takashi Matsui, Kazuhide Nakajima (NTT) OFT2016-5 |
(Advance abstract in Japanese is available) [more] |
OFT2016-5 pp.17-20 |
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 |