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Technical Committee on Optical Fiber Technology (OFT) (Searched in: 2009)
Search Results: Keywords 'from:2009-08-27 to:2009-08-27'
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT, OCS (Joint) |
2009-08-27 09:00 |
Hokkaido | Discussions on Durability of Disastor Monitoring Sensor System Including Optical Fiber Communication System Kazuhito Ogawa (Opto-Electric Tech.), Shohei Kanbe (HIT), Tomoaki Tanaka (Alis Lab), Kenji Kitazawa (Firstlight), Issei Sasaki (HIT) |
[more] | ||
| OFT, OCS (Joint) |
2009-08-27 09:25 |
Hokkaido | Water surface ranging with using OTDR Masahiro Takanashi, Yoshiaki Yamabayashi (Chitose Inst. of Sci and Tech.)  OCS2009-29 |
According to flying-boat pilots, even in broad daylight, it is sometimes hard to recognize the water-surface on which th... [more] | OCS2009-29 pp.1-4 |
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| OFT, OCS (Joint) |
2009-08-27 09:50 |
Hokkaido | Limitation factor of spatial resolution for 40 km range measurement with PNC-OFDR Yusuke Koshikiya, Xinyu Fan, Fumihiko Ito (NTT Corp.) OCS2009-30 |
We show that the dominant noise of long range optical frequency domain reflectometry (OFDR) after compensation process f... [more] | OCS2009-30 pp.5-10 |
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| OFT, OCS (Joint) |
2009-08-27 10:25 |
Hokkaido | Propagation Characteristics of Photonic Crystal Fibers with Metallic Nanowires Akira Nagasaki, Yukihiro Tsuchida, Kunimasa Saitoh, Masanori Koshiba (Hokkaido Univ.) OFT2009-17 |
In a photonic crystal fiber (PCF) where the cladding air holes have been filled with metallic nanowires, the core guided... [more] | OFT2009-17 pp.1-6 |
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| OFT, OCS (Joint) |
2009-08-27 10:50 |
Hokkaido | Loss Evaluation of Taper Optical fiber for High Power Laser Takuya Kawamura (Chitose Inst. of Sci and Tech.), Yasunori Kajikawa, Toshihiro Suda, Yusuke Fujii (PSTI), Soichi Kobayashi (Chitose Inst. of Sci and Tech.) OFT2009-18 |
Recently, a high power laser is applied for metal welding and cutting processes. A laser beam used for the processes is ... [more] | OFT2009-18 pp.7-10 |
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| OFT, OCS (Joint) |
2009-08-27 11:15 |
Hokkaido | Tapered optical fibers with refractive index change in the propagation direction Daiki Motoyoshi (Chitose Inst. of Sci and Tech.), Toshihiro Suda, Yusuke Fujii, Yasunori Kajikawa (PSTI), Soichi Kobayashi (Chitose Inst. of Sci and Tech.) OFT2009-19 |
The tapered fiber with graded refractive index profile in a light propagation direction to realize a low loss waveguide ... [more] | OFT2009-19 pp.11-14 |
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| OFT, OCS (Joint) |
2009-08-27 11:40 |
Hokkaido | Optical Fibers for Interconnection Systems and Their Reliability Harumi Inaba, Iwao Shimotakahara, Ryuichi Sugizaki, Kazuyuki Fuse, Takuya Nishimoto, Takeshi Yagi (Furukawa Electric co.,Ltd) OFT2009-20 |
[more] | OFT2009-20 pp.15-20 |
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| OFT, OCS (Joint) |
2009-08-27 13:10 |
Hokkaido | Coherent multilevel-based PON with reduced bandwidth using digital equalization Sang-Yuep Kim, Naoya Sakurai, Hideaki Kimura, Kiyomi Kumozaki (NTT Corp.) OCS2009-31 |
For future board-band access networks, we have numerically and experimentally investigated the feasibility of a 10-Gbit/... [more] | OCS2009-31 pp.11-16 |
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| OFT, OCS (Joint) |
2009-08-27 13:35 |
Hokkaido | Achievement of Subchannel Frequency Spacing Less Than Symbol Rate and Improvement of Dispersion Tolerance in Optical OFDM Transmission Shuto Yamamoto, Kazushige Yonenaga, Akio Sahara, Fumikazu Inuzuka, Atsushi Takada (NTT Co.) OCS2009-32 |
We propose a novel OFDM transmission where the frequency spacing of subchannels is less than the symbol rate. We show th... [more] | OCS2009-32 pp.17-22 |
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| OFT, OCS (Joint) |
2009-08-27 14:00 |
Hokkaido | Nonlinear tolerance of Quadrature-Amplitude-Modulated signals in Digital Coherent Detection Yojiro Mori, Chao Zhang, Masatoshi Usui, Koji Igarashi, Kazuhiro Katoh, Kazuro Kikuchi (Univ. of Tokyo) OCS2009-33 |
The use of multi-level modulation formats is one of the most effective ways of enhancing the spectral efficiency in opti... [more] | OCS2009-33 pp.23-28 |
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| OFT, OCS (Joint) |
2009-08-27 14:25 |
Hokkaido | Transmission of 160-Gbit/s QPSK signals on a single carrier over 1,000 km using digital coherent receivers Chao Zhang, Yojiro Mori, Masatoshi Usui, Koji Igarashi, Kazuhiro Katoh, Kazuro Kikuchi (The Univ. of Tokyo) OCS2009-34 |
The maximum symbol rate that a digital coherent receiver can process is strictly limited by the operation speed of analo... [more] | OCS2009-34 pp.29-34 |
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| OFT, OCS (Joint) |
2009-08-27 15:00 |
Hokkaido | Cable height measurement system using ultrasonic pulse-echo technique Yasuomi Uchiyama, Naoki Kaneko, Hiroshi Tanaka, Youichi Yuki (Ntt East), Hirotaka Yoshida (Airec), Masanori Usui (Nttrec), Takao Handa (Ntt), Hisashi Izumita (Ntt East) OFT2009-21 |
In order to reduce the operators’ work when periodically inspecting the outside cables in NTT, a remotely measurement sy... [more] | OFT2009-21 pp.21-24 |
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| OFT, OCS (Joint) |
2009-08-27 15:25 |
Hokkaido | Optical fiber line testing system employing test light bypass module for in-service monitoring of ADM ring networks Yoshitaka Enomoto (NTT Corp.) OFT2009-22 |
This paper describes a novel optical fiber line testing system operating at 1650 nm using test light bypass modules. We ... [more] | OFT2009-22 pp.25-30 |
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| OFT, OCS (Joint) |
2009-08-27 15:50 |
Hokkaido | Novel Optical Fiber Identification Method Based on Polarization Modulation Caused by Pressure-Induced Retardation Koji Enbutsu, Noriyuki Araki, Nazuki Honda, Yuji Azuma (NTT Corp.) OFT2009-23 |
[more] | OFT2009-23 pp.31-34 |
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| OFT, OCS (Joint) |
2009-08-27 16:15 |
Hokkaido | Development of Low-Friction Indoor Cable Masayoshi Tsukamoto, Yutaka Hoshino, Noboru Okada (The Furukawa Electric Co., LTD.) OFT2009-24 |
[more] | OFT2009-24 pp.35-39 |
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| OFT, OCS (Joint) |
2009-08-28 09:00 |
Hokkaido | Wave propagation dynamics in optical waveguide arrays with varying coupling coefficients Hiroyuki Yoshida, Noriaki Tsukada (Hiroshima Inst of Tech.) OCS2009-35 |
[more] | OCS2009-35 pp.35-40 |
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| OFT, OCS (Joint) |
2009-08-28 09:25 |
Hokkaido | Design of single-mode waveguides for fundamental mode excitation of multimode fibers Yutarou Hatanaka, Yoshiaki Yamabayashi (Chitose Inst of Sci and Tech.) OCS2009-36 |
While Single-mode fiber are widely used in optical communications outside buildings, on the other hand MMF is used for i... [more] | OCS2009-36 pp.41-45 |
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| OFT, OCS (Joint) |
2009-08-28 09:50 |
Hokkaido | Computer simulation on optical pulse equalizer utilizing soliton effect in single-mode fibers Takumi Oozeki, Yoshiaki Yamabayashi (Chitose Inst of Sci and Tech.) OCS2009-37 |
Computer simulations on optical pulse equalizer utilizing soliton effect in single-mode fibers [more] | OCS2009-37 pp.47-51 |
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| 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 |
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| OFT, OCS (Joint) |
2009-08-28 10:50 |
Hokkaido | Applicability of photonic crystal fiber to high-speed and wide-band transmission over conventional telecommunication bands Takashi Matsui, Kazuhide Nakajima, Chisato Fukai (NTT Corp.) OFT2009-26 |
[more] | OFT2009-26 pp.45-50 |
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