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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2018-10-11 14:00 |
Miyagi | Touhoku Univ. | [Poster Presentation]
Signal evaluation of optical BPSK/QPSK signal asymmetrically band-limited by optical spatial filters Masaki Tasugi, Katsumi Takano (Yamagata Univ.), Masaki Shiraiwa (NICT), K. I. Amila Sampath (TUS), Yosinari Awaji (NICT)  OFT2018-25 |
In order to overcome the limitation of the wavelength division multiplexing techniques on optical fiber communications, ... [more] | OFT2018-25 pp.57-60 |
| OPE, LQE, OCS | 2015-10-30 10:25 |
Oita | Beppu International Convention Center | PAPR Reduction of Optical SSB Modulated Signal using LN Modulator Nonlinearity-based Peak Folding K. I. Amila Sampath, Katsumi Takano (Yamagata Univ) OCS2015-71 OPE2015-121 LQE2015-90 |
Optical single sideband (SSB) modulation employs one-half of the spectrum bandwidth compared to that of intensity modula... [more] | OCS2015-71 OPE2015-121 LQE2015-90 pp.149-153 |
| OCS | 2014-07-31 11:35 |
Tokyo | Tokyo Institute of Technology | Optical VSB-SC Modulation based on Phase-shift Method and its spectra and PAPR characteristics K. I. Amila Sampath, Katsumi Takano (Yamagata Univ.) OCS2014-30 |
Optical VSB (Vestigial Sideband) modulation which gives an asymmetric spectrum around the carrier frequency has been stu... [more] | OCS2014-30 pp.27-32 |
| OCS | 2013-07-25 16:15 |
Tokyo | Sumida-Sangyo-Kaikan | Proposal of optical single sideband modulation with pre-processing of 45 degree phase rotation Katsumi Takano, K. I. Amila Sampath, Masataka Kasai (Yamagata Univ.) OCS2013-25 |
(Advance abstract in Japanese is available) [more] | OCS2013-25 pp.35-38 |
| OCS | 2012-07-26 15:35 |
Shizuoka | A study of high-pass Hilbert transformers on optical single sideband modulation by phase shift method Katsumi Takano, Yoshiaki Ichijo, K. I. Amila Sampath, Koichi Oikawa (Yamagata Univ.) OCS2012-26 |
Optical single sideband (SSB) modulation can save the transmission bandwidth. In order to enhance the modulation depth a... [more] | OCS2012-26 pp.29-33 |
|
| NS, OCS, PN (Joint) |
2012-06-22 11:40 |
Yamagata | Yamagata Univ. | Switch size reduction effect of waveband switching on optical path networks with equalized wavelength resource among links Katsumi Takano, Ryo Karube, Keita Saito, Tomohiro Ito, Kiyoshi Nakagawa (Yamagata Univ.) OCS2012-19 |
The concept of waveband switching (WBS) could overcome the issues that complexity and cost of nodes when the number of w... [more] | OCS2012-19 pp.53-56 |
| PN, OCS, NS (Joint) |
2011-06-24 15:40 |
Wakayama | Wakayama University | The Influence of Waveband Grouping Methods on the Size of Optical Cross-Connect Ryo Karube, Katsumi Takano, Tomohiro Ito, Kiyoshi Nakagawa (Yamagata Univ.) OCS2011-23 |
(Advance abstract in Japanese is available) [more] | OCS2011-23 pp.65-70 |
| OCS | 2010-07-29 15:00 |
Shizuoka | New Welcity Yugawara | A Study on Waveform Degradation from Fiber Propagation of Emitted-Carrier Optical Single Sideband Signals Katsumi Takano, Yoshiaki Ichijo, Masayuki Ishihara, Kiyoshi Nakagawa (Yamagata Univ.) OCS2010-29 |
Use of an optical single side-band (OSSB) modulation signal engenders high bandwidth efficiency because the OSSB signal ... [more] | OCS2010-29 pp.29-33 |
| OCS, NS, PN (Joint) |
2010-06-25 14:50 |
Akita | Akita University | Numerical Analysis on Delay Time for Optical Inverse Multiplexing in WDM Optical Path Networks Katsumi Takano, Hiroki Sayama, Tetsuji Joken, Ryo Karube, Kiyoshi Nakagawa (Yamagata Univ.) OCS2010-21 |
Optical inverse multiplexing is a promising technology for high-rate data transmission and rapidly increased demand for ... [more] | OCS2010-21 pp.61-66 |
| EA | 2008-08-05 09:00 |
Miyagi | The Influence of Stereo Coding on the 3D Sound Localization Accuracy Yosuke Kobayashi, Kazuhiro Kondo, Kiyoshi Nakagawa, Katsumi Takano (Yamagata Univ.) EA2008-56 |
In this paper, we investigated the influence of stereo coding on the 3D sound localization accuracy. We used the MP3 Mid... [more] | EA2008-56 pp.65-70 |
|
| OCS | 2008-07-17 15:15 |
Yamanashi | Equalization Technique of Self-Phase Modulation Effect on Carrier-Suppressed Optical Single Sideband Fiber Transmissions Katsumi Takano, Yuki Sawaguchi, Masayuki Ishihara, Kohei Sasaki, Kiyoshi Nakagawa (Yamagata Univ.) OCS2008-28 |
Use of an optical single side-band (OSSB) modulation signal engenders high bandwidth efficiency because the OSSB signal ... [more] | OCS2008-28 pp.41-46 |
|
| OCS | 2007-07-20 11:35 |
Yamagata | Denkoku-No-Mori (Yonezawa) | Optical single sideband modulation using signal phase-shift in optical domain Katsumi Takano, Nobutomo Hanzawa, Sadayuki Tanji, Kiyoshi Nakagawa (Yamagata Univ.) OCS2007-24 |
Use of an optical single side-band (OSSB) modulation signal engenders high bandwidth efficiency because the OSSB signal ... [more] | OCS2007-24 pp.21-26 |
| ITE-BCT, IEE-CMN, OCS, OFT (Joint) [detail] |
2006-11-17 14:25 |
Tokyo | A study on optical Single Side-Band signal generation using sampled FBG based optical Hilbert transformer Masanori Hanawa, Kazuhiko Nakamura (Univ. of Yamanashi), Katsumi Takano, Kiyoshi Nakagawa (Yamagata Univ.) OCS2006-70 |
In this report, a novel optical single side-band (SSB) signal generation method based on the optical Hilbert transformer... [more] | OCS2006-70 pp.45-50 |
|
| ITE-BCT, IEE-CMN, OCS, OFT (Joint) [detail] |
2006-11-17 15:00 |
Tokyo | Experimental demonstration of fiber-based optical FIR filters Nobutomo Hanzawa, Tatsunori Yui, Katsumi Takano, Kazuhiro Kondo, Kiyoshi Nakagawa (Yamagata Univ.) OCS2006-71 |
Waveform conversion technology in optical domain is useful to progress of high speed optical modulation. In this report,... [more] | OCS2006-71 pp.51-56 |
|
| OCS | 2005-06-17 13:15 |
Yamanashi | Univ. of Yamanashi | Self-phase modulation effect of optical single sideband modulation signal Katsumi Takano, Takashi Murakami, Kazuhiro Kondo, Kiyoshi Nakagawa (Yamagata Univ.) |
Use of a single sideband (SSB) modulation signal engenders high bandwidth efficiency because the SSB signal occupies hal... [more] | OCS2005-32 pp.35-40 |
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