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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| UWT (2nd) |
2022-03-01 14:30 |
Online | Online | A Study of Underwater Optical Wireless Communications Using THP Kazuhiko Nakamura, Masanori Hanawa (Univ. of Yamanashi) |
In this article, the effect of Tomlinson-Harashima Precoding (THP) as a pre-equalizer for bandwidth compensation and int... [more] | |
| OCS, CS (Joint) |
2021-01-14 15:45 |
Online | Online | Automatic design of constellations and discriminant boundary by auto-encoder type machine learning Yudai Goto, Masanori Hanawa (Univ. of Yamanashi)  OCS2020-32 |
Autoencoder (AE), a type of machine learning, was applied to the automatic design of signal constellations and discrimin... [more] | OCS2020-32 pp.27-32 |
| PN | 2018-11-21 12:35 |
Yamanashi | Satoshi Omura Museum, Yamanashi Univ. | A study on Adaptive IQ Imbalance Method and Receiver-side Digital Signal Processing for Energy-efficient Downlink Transmission in Coherent PON System Kouki Arai, Takahiro kodama, Masanori Hanawa (yamanashi Univ.) PN2018-23 |
[more] | PN2018-23 pp.1-6 |
| PN | 2018-11-22 09:55 |
Yamanashi | Satoshi Omura Museum, Yamanashi Univ. | Proof-demonstration of 10 GSymbol/s PAM4-OCDM system for optical short-reach communications Tatsuya Miyazaki, Takahiro Kodama, Masanori Hanawa (Univ. of Yamanashi), Akihiro Maruta (Osaka Univ.), Naoya Wada (NICT), Gabriella Cincotti (Roma Tre Univ.), Ken-ichi Kitayama (NICT) PN2018-29 |
[more] | PN2018-29 pp.41-47 |
| NS, OCS, PN (Joint) |
2018-06-14 09:45 |
Fukushima | Koriyama-Shoko-Kaigisho | Study of digital-domain inter-chip linear intensity slope compensation for FE-SOCDM system Tomoki Nukanobu, Tatsuya Miyazaki, Takahiro Kodama, Masanori Hanawa (Univ. of Yamanashi) PN2018-5 |
(Advance abstract in Japanese is available) [more] | PN2018-5 pp.1-8 |
| NS, OCS, PN (Joint) |
2018-06-14 10:10 |
Fukushima | Koriyama-Shoko-Kaigisho | Demonstration of PAM4 to QPSK modulation format conversion using XPM Tatsuya Miyazaki, Takahiro Kodama, Masanori Hanawa (Univ. of Yamanashi) PN2018-6 |
(Advance abstract in Japanese is available) [more] | PN2018-6 pp.9-16 |
| EMT, EST, LQE, MWP, OPE, PEM, PN, IEE-EMT [detail] | 2018-01-25 13:00 |
Hyogo | [Invited Talk]
Implementation on silicon waveguide of optical discrete Fourier transformer for Fourier-coded synchronous optical code division multiplexing Masanori Hanawa, Takahiro Kodama, Haruki Yoshino, Tatsuya Miyazaki (Univ. of Yamanashi) PN2017-73 EMT2017-110 OPE2017-151 LQE2017-133 EST2017-109 MWP2017-86 |
[more] | PN2017-73 EMT2017-110 OPE2017-151 LQE2017-133 EST2017-109 MWP2017-86 pp.209-216 |
|
| CS, OCS (Joint) |
2016-01-22 13:05 |
Kagoshima | Kagoshima University, Korimoto Campus, Inamori Auditorium | Dispersion Tolerance Improvement on Transmission of 16-QAM signals Interleaved with Reference Light by Adjustment of Electric Field Amplitude Naotaka Ishimura, Yasuhiro Okamura (Tokushima Univ.), Masanori Hanawa (Yamanashi Univ.), Atsushi Takada (Tokushima Univ.) OCS2015-97 |
We propose an adjustment of electric field amplitude ratio (EAR) between 16-quadrature amplitude modulation (16QAM) sign... [more] | OCS2015-97 pp.51-56 |
| OPE | 2015-12-10 16:30 |
Ishikawa | Shiinoki Cultural Complex | Design of the 4-th order Optical Discrete Fourier Transformer with Asymmetric Mach-Zehnder Interferometer based on Si Buried Waveguide Reiko Horiuchi, Haruki Yoshino, Masanori Hanawa (Univ. of Yamanashi) OPE2015-142 |
Fourier-coded synchronous optical code division multiplexing (FE-OCDM) scheme may realize optical orthogonal frequency d... [more] | OPE2015-142 pp.15-20 |
| OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2015-11-12 14:05 |
Ehime | Matsuyama Civic Center | 5Gbit/s RZ-PAM4 transmission experiments over standard SMFs based on Gain-switched optical short pulse source with simultaneous reduction of timing jitter and frequency chirp Songyuan Dai, Masanori Hanawa (Yamanashi Univ.) OCS2015-81 |
Although GS-LD can easily generate optical short pulses having about 30ps of FWHM, the generated pulses cannot be used f... [more] | OCS2015-81 pp.1-6 |
| NS, OCS, PN (Joint) |
2015-06-19 15:40 |
Fukui | Fukui-shi-chiiki-kouryu | 10m transmission of 405 nm, 1.45 Gbit/s optical IM/DD-OFDM signals through underwater wireless channel with a water flow and bubbles Kazuhiko Nakamura, Izumi Mizukoshi, Masanori Hanawa (Univ. of Yamanashi) OCS2015-24 |
We experimentally demonstrate wireless transmission of optical intensity modulation/direct detection-orthogonal frequenc... [more] | OCS2015-24 pp.69-74 |
| EST, OPE, LQE, EMT, PN, MWP, IEE-EMT [detail] | 2015-01-29 09:25 |
Osaka | Waveguide depth control of PMMA-PLCs by two-step irradiation in UV direct drawing Akihiro Takizawa, Reiko Horiuchi, Masanori Hanawa (Yamanashi Univ.) PN2014-28 OPE2014-153 LQE2014-140 EST2014-82 MWP2014-50 |
Refractive index increase on PMMA (Poly-Methyl Methacrylate) surface produced by ultraviolet light can be used to form p... [more] | PN2014-28 OPE2014-153 LQE2014-140 EST2014-82 MWP2014-50 pp.5-10 |
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| OCS, CS (Joint) |
2015-01-23 14:25 |
Tokushima | Tokushima University | A study on optical wireless transmission of Wi-Fi signal by direct intensity modulation of the laser Satoru Ikeda, Masanori Hanawa (Yamanashi Univ.) OCS2014-99 |
(Advance abstract in Japanese is available) [more] | OCS2014-99 pp.35-40 |
| OCS | 2014-07-31 11:10 |
Tokyo | Tokyo Institute of Technology | Blinded dispersion equalization on Fourier-encoded Synchronous OCDM signals by iteration of Modified CMA scheme Yasuhiro Okamura (Univ. of Tokushima), Masanori Hanawa (Univ. of Yamanashi) OCS2014-29 |
(Advance abstract in Japanese is available) [more] | OCS2014-29 pp.21-26 |
| PN | 2014-03-03 13:45 |
Kagawa | Tokushima Bunri University | 2.42Gbps Optical OFDM transmission experiment using Time-domain Equalization over 3168m MMF Shuzo Matsushita, Izumi Mizukoshi, Kazuhiko Nakamura, Masanori Hanawa (Univ. Yamanashi) PN2013-95 |
Multi mode fiber's (MMFs) has been estimated that approximately 19.5 million kilometers of it have been installed in-cam... [more] | PN2013-95 pp.29-34 |
| MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] | 2014-01-24 13:35 |
Kyoto | Doshisha University | Accurate fabrication of low-loss SFBGs assisted by multivariate structure identification Tomoya Hagihara, Masanori Hanawa (Univ. of Yamanashi) PN2013-75 OPE2013-189 LQE2013-175 EST2013-124 MWP2013-95 |
Phase differences between two FBGs of low-loss sampled fiber Bragg gratings (SFBGs) are identified and the phase differe... [more] | PN2013-75 OPE2013-189 LQE2013-175 EST2013-124 MWP2013-95 pp.267-272 |
| OCS | 2013-07-25 13:55 |
Tokyo | Sumida-Sangyo-Kaikan | Self-homodyne Detection of Phase Modulated Signals using Quadrature-phase-modulated and Polarization-multiplexed Pilot Carrier Hiroshi Mizukami (Univ. of yamanashi), Yasuhiro Okamura (Univ. of Tokushima), Masanori Hanawa (Univ. of yamanashi) OCS2013-20 |
A simple self-homodyne detection for optical phase modulated signal using a quadrature-phase-modulated and polarization-... [more] | OCS2013-20 pp.7-11 |
| OCS | 2013-07-25 14:45 |
Tokyo | Sumida-Sangyo-Kaikan | Effectiveness of Time domain Equalization of optical OFDM signal transmission over MMF Shuzo Matsushita, Kazuhiko Nakamura, Masanori Hanawa (Univ. of Yamanashi) OCS2013-22 |
In this report, we have evaluated the effectiveness of time domain equalization (TEQ) instead of a frequency domain equa... [more] | OCS2013-22 pp.19-22 |
| OCS, PN, NS (Joint) |
2013-06-20 16:55 |
Fukushima | College of Engineering, Nihon University | Digital Compensation for Chromatic Dispersion in Optical Transmission of Fourier-Encoded Synchronous OCDM Signals using Pilot Symbols Osamu Iijima, Masanori Hanawa (Univ. of Yamanashi) OCS2013-14 |
Fourier-encoded synchronous OCDM (FE-SOCDM) signals can be simultaneously decoded by digital signal processing (DSP). Co... [more] | OCS2013-14 pp.23-28 |
| OFT, OPE, OCS (Joint) [detail] |
2013-03-01 09:50 |
Tokyo | Optical gas sensing based on leaky-guided structure change of cladding mode in single mode fiber by swelling polymer Yuichi Futatsugi, Masanori Hanawa (Univ. of Yamanashi) OFT2012-80 OPE2012-198 |
In this technical report, an optical gas sensor, based on structural conversion between leaky and guided modes in single... [more] | OFT2012-80 OPE2012-198 pp.59-63 |
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