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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2023-11-10 11:25 |
Kyoto | (Kyoto, Online) (Primary: On-site, Secondary: Online) |
Group Delay Characteristics of Hollow Core Photonic Bandgap Fiber Keishiro Iseri, Haruya Inamitsu, Toshio Watanabe, Tsutomu Nagayama, Seiji Fukushima (Kagoshima Univ.)  OFT2023-54 |
In an application where low-latency communication is crucial, a hollow core photonic bandgap optical fiber (HC-PBGF) is ... [more] | OFT2023-54 pp.36-39 |
| CS, OCS (Joint) |
2020-01-16 16:15 |
Oita | Beppu Housensou Hotel (Oita Pref.) (Oita) | [Special Invited Talk]
Recent research trend of photonic components as a key to optical network evolution Toshio Watanabe (Kagoshima Univ.) CS2019-92 |
For continuous evolution of optical network from core, metro to access, further development of photonic components is re... [more] | CS2019-92 pp.23-26 |
| MW (2nd) |
2018-06-27 - 2018-06-29 |
Overseas | KMITL, Bangkok, Thailand (Overseas) | 2-D Flat Lenses Based on Transformation Electromagnetics Tsutomu Nagayama, Seiji Fukushima, Toshio Watanabe (Kagoshima Univ.) |
2-D flat lenses based on transformation electromagnetics are presented. These are lenses mimicking original lenses and a... [more] | |
| NS, IN (Joint) |
2018-03-02 14:10 |
Miyazaki | Phoenix Seagaia Resort (Miyazaki) | Study on hot-spot detection in an ICT rack by using thermography Toshio Watanabe, Katsuya Hayashi, Takashi Furutani, Yuriko Tanaka (NTT) NS2017-228 |
We are studying on a method for efficiently recognizing hot spot which decreases the cooling efficiency of air condition... [more] | NS2017-228 pp.339-344 |
| OPE | 2017-12-07 13:15 |
Okinawa | (Okinawa) | [Poster Presentation]
Temporal Response Difference between Thermo-Optic Switch and Variable Optical Attenuator Wataru Yamauchi, Toshio Watanabe, Tsutomu Nagayama, Seiji Fukushima (Kagoshima Univ.) OPE2017-104 |
A Mach-Zehnder interferometer based on optical waveguides with a thermo-optic phase shifter operates as both optical swi... [more] | OPE2017-104 pp.79-82 |
| OPE | 2017-12-07 13:15 |
Okinawa | (Okinawa) | [Poster Presentation]
Arrayed-waveguide optical switch with low crosstalk Shuhei Shimada, Toshio Watanabe, Tsutomu Nagayama, Seiji Fukushima (Kagoshima Univ) OPE2017-106 |
We describe a new design concept of a 1 × N arrayed-waveguide optical switch. While the optical power ratio between arra... [more] | OPE2017-106 pp.89-92 |
| WIT, SP, ASJ-H, PRMU | 2015-06-19 14:50 |
Niigata | (Niigata) | Method of disaggregating appliances from an aggregate current waveform on a power distribution board where some appliances have current waveforms that vary nonlinearly Fumihiko Ishiyama, Toshio Watanabe, Hiroshi Inoue, Takashi Ohyama (NTT) PRMU2015-64 SP2015-33 WIT2015-33 |
We are studying a method of disaggregating appliances from an aggregate current waveform on a power distribution board. ... [more] | PRMU2015-64 SP2015-33 WIT2015-33 pp.187-190 |
| LOIS | 2015-03-05 13:40 |
Okinawa | (Okinawa) | Analyzing power consumption of individual nonstationary appliances from current waveform at power distribution board Fumihiko Ishiyama, Toshio Watanabe, Hiroshi Inoue, Takashi Ohyama (NTT) LOIS2014-70 |
We are investigating a method to estimate the power of individual home appliances from the current waveform of the power... [more] | LOIS2014-70 pp.55-60 |
| ICM, LOIS | 2015-01-15 14:10 |
Fukuoka | Kanmon Straits & Mojiko Retro (Fukuoka) | Operating state estimation of electric appliances based on power-time-series at a distribution board Hiroshi Inoue, Fumihiko Ishiyama, Toshio Watanabe, Takashi Ohyama (NTT) ICM2014-35 LOIS2014-42 |
We study a method based on the naive Bayes classifier for estimating an On/Off state of air-conditioners by using statis... [more] | ICM2014-35 LOIS2014-42 pp.19-22 |
| EE, IEE-HCA | 2014-05-29 11:00 |
Tokyo | The Kikai Shinko Kaikan building (Tokyo) | Study on power estimation method of individual equipment from the aggregated current waveform of the entire household Fumihiko Ishiyama, Hiroshi Inoue, Toshio Watanabe, Takashi Ohyama (NTT) EE2014-3 |
We are investigating a method to estimate the power of individual home appliances from the current waveform of the distr... [more] | EE2014-3 pp.13-18 |
| EE, IEE-HCA | 2014-05-29 11:30 |
Tokyo | The Kikai Shinko Kaikan building (Tokyo) | Estimating on/off state of electric appliances by using statistical features of power-time-series
-- Evaluating effectiveness of the feature, Evaluating estimation accuracy -- Hiroshi Inoue, Fumihiko Ishiyama, Toshio Watanabe, Takashi Ohyama (NTT) EE2014-4 |
A method for estimating an On/Off state of air-conditioners using statistical features extracted from time series of ove... [more] | EE2014-4 pp.19-23 |
| LQE, CPM, EMD, OPE, R | 2012-08-24 15:00 |
Miyagi | Tohoku Univ. (Miyagi) | Spatial beam transformer for wavelength selective switch integrated on silica-based planar lightwave circuit Kazunori Seno, Kenya Suzuki, Naoki Ooba, Toshio Watanabe, Masayuki Itoh, Tadashi Sakamoto, Tetsuo Takahashi (NTT) R2012-47 EMD2012-53 CPM2012-78 OPE2012-85 LQE2012-51 |
We propose a spatial beam transformer (SBT) for a wavelength selective switch, which is monolithically integrated on a s... [more] | R2012-47 EMD2012-53 CPM2012-78 OPE2012-85 LQE2012-51 pp.127-132 |
| OCS, LQE, OPE | 2011-10-28 13:55 |
Kochi | Kochi University of Technology (Kochi) | PLC-based Transponder Aggregator for Colorless/Directionless/Contentionless-ROADM Toshio Watanabe, Kenya Suzuki, Takashi Goh, Kuninori Hattori, Atsushi Mori, Tetsuo Takahashi, Tadashi Sakamoto (NTT), Keiichi Morita, Shunichi Sohma, Shin Kamei (NEL) OCS2011-89 OPE2011-127 LQE2011-90 |
We describe a compact transponder aggregator (TPA) based on a splitter-switch architecture using PLC technology. This TP... [more] | OCS2011-89 OPE2011-127 LQE2011-90 pp.181-186 |
| CPM, OPE, LQE, EMD | 2011-08-26 09:50 |
Hokkaido | Hokkaido Univ. (Hokkaido) | Wide-Passband 88-Wavelength Channel-by-Channel Tunable Optical Dispersion Compensator with 50-GHz Channel Spacing Kazunori Seno, Naoki Ooba, Kenya Suzuki, Toshio Watanabe, Masayuki Itoh, Tadashi Sakamoto (NTT) EMD2011-47 CPM2011-91 OPE2011-82 LQE2011-45 |
We realized a wide-passband multi-channel tunable optical dispersion compensator for 88 WDM signals with 50-GHz spacing ... [more] | EMD2011-47 CPM2011-91 OPE2011-82 LQE2011-45 pp.81-86 |
| EMD, OPE, LQE, CPM | 2010-08-27 09:00 |
Hokkaido | Chitose Arcadia Plaza (Hokkaido) | 50-Wavelength Channel-by-Channel Tunable Optical Dispersion Compensator Using Combination of Arrayed-Waveguide Grating and Bulk Grating Kazunori Seno, Kenya Suzuki, Naoki Ooba, Toshio Watanabe, Masayuki Itoh, Shinji Mino, Tadashi Sakamoto (NTT Corp.) EMD2010-43 CPM2010-59 OPE2010-68 LQE2010-41 |
We propose a novel optical configuration for a channelized tunable optical dispersion compensator (TODC) with channel-by... [more] | EMD2010-43 CPM2010-59 OPE2010-68 LQE2010-41 pp.79-84 |
| CPM, OPE, R | 2010-04-16 15:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo) | Channelized Tunable Optical Dispersion Compensator Using Silica-based Planar Lightwave Circuits and Free-space Optics Motohaya Ishii, Naoki Ooba, Kazunori Seno, Takuya Tanaka, Toshio Watanabe, Tadashi Sakamoto (NTT) R2010-5 CPM2010-5 OPE2010-5 |
We proposed newly channelized tunable optical dispersion compensators (TODCs) consisting of an AWG-based spectrometer an... [more] | R2010-5 CPM2010-5 OPE2010-5 pp.23-28 |
| USN, IPSJ-UBI | 2009-07-17 14:40 |
Kyoto | ATR (Kyoto) (Kyoto) | Estrus Detection in Dairy Cattle Using an Acceleration Sensor Toshio Watanabe (NTT), Kouhei Kitazaki (FARC) USN2009-22 |
A method for detecting estrus in dairy cattle by using an acceleration sensor is presented. Estrus detection is one of ... [more] | USN2009-22 pp.135-139 |
| PRMU, MVE | 2008-11-27 17:00 |
Osaka | Osaka Univ. (Osaka) | Detection of Landslide Precursor Using Spatiotemporal Gabor Filtering Ken Okamoto, Toshio Watanabe (NTT), Akitoshi Hanazawa, Takashi Morie (Kyushu Inst. of Tech.), Hiroshi Ban, Yuji Maeda (NTT) PRMU2008-131 MVE2008-80 |
[more] | PRMU2008-131 MVE2008-80 pp.139-144 |
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