Search Results - "Kotanigawa, T."

Dispersion Compensation Configuration Applying a Combination of EDC and Tunable-ODC for Extended L-Band WDM Transmission by Kotanigawa, T., Kawasaki, T., Masuda, H., Matsuda, T., Naka, A., Matsuoka, S.

“…We propose effective polarization-mode dispersion (PMD) and chromatic dispersion (CD) compensation configuration for practical use in the field, taking into…”
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Addition Effects of Coal-Derived Oil and Coal on Upgrading of Oil Sand Bitumen by Yoshida, T, Nagaishi, H, Sasaki, M, Yamamoto, M, Kotanigawa, T, Sasaki, A, Idogawa, K, Fukuda, T, Yoshida, R, Maekawa, Y

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Dispersion Compensation Configuration Applying a Combination of EDC and Tunable-ODC for Extended [Formula Omitted]-Band WDM Transmission by Kotanigawa, T, Kawasaki, T, Masuda, H, Matsuda, T, Naka, A, Matsuoka, S

“…We propose effective polarization-mode dispersion (PMD) and chromatic dispersion (CD) compensation configuration for practical use in the field, taking into…”
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Liquefaction Reactivity of Methylated Illinois No. 6 Coal by Sasaki, Masahide, Kotanigawa, Takeshi, Yoshida, Tadashi

“…The reactivity of O-methylated and reductively methylated coals were tested for noncatalytic liquefaction reactions in tetralin solvent at 693 and 723 K to…”
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Selective nuclear hydrogenation of naphthalene, anthracene and coal-derived oil over Ru supported on mixed oxide by Kotanigawa, Takeshi, Yamamoto, Mitsuyoshi, Yoshida, Tadashi

“…The main objective of this paper is to investigate the possible ways to produce high-quality products for transportation fuels from heavy distillates. For this…”
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Heteroatom removals from aromatic hydrocarbons over a phosphoric acid-promoted Mn2O3-NiO catalyst by YAMAMOTO, M, NISHIMURA, O, KOTANIGAWA, T

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Epidemiological survey of dental diseases on the arsenic poisoning children caused by morinaga-dried milk. 3. Survey on the external form of dentofactorial complex and dental arch by Miura, K, Turui, A, Masuda, K, Onishi, Y, Kotanigawa, T

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Estimation of coal hydrophilicity by flow microcalorimetry by Wang, Nan, Sasaki, Masahide, Yoshida, Tadashi, Kotanigawa, Takeshi

“…The adsorption heat of methanol on a coal surface was measured by flow microcalorimetry (FMC). Eight coals, each with different oxygen contents, were used as…”
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Characterization of Different Possible Solvent−Coal Interaction Mechanisms by the Relationship between the Volumetric Swelling of Coals and Heat Release in Swelling Solvent by Wang, Nan, Sasaki, Masahide, Yoshida, Tadashi, Kotanigawa, Takeshi

“…The heat of mixing a polar or nonpolar swelling solvent with coal was measured by flow microcalorimetry (FMC). Eight coals, having different oxygen contents,…”
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Flow Microcalorimetric Study of Methanol Adsorption from n-Hexane on Coals by Wang, Nan, Sasaki, Masahide, Yoshida, Tadashi, Kotanigawa, Takeshi

“…The heat evolved by mixing of methanol and a coal was measured by flow microcalorimetry (FMC) to investigate interactions between coal and methanol. Such…”
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Active Site of Iron-Based Catalyst in Coal Liquefaction by Kotanigawa, Takeshi, Yamamoto, Mitsuyoshi, Sasaki, Masahide, Wang, Nan, Nagaishi, Hiroshi, Yoshida, Tadashi

“…Catalytic activity for coal liquefaction of sulfate-promoted iron oxide was investigated by a high-pressure differential thermal analysis technique and an…”
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43-Gb/s WDM signal transmission across 150-km 2 ROADM rings with colorless and directionless OXC based on 3D-MEMS optical switch and WSSs by Seki, T., Matsuda, T., Naka, A., Kotanigawa, T., Oda, K.

“…We successfully transmit a 43-Gb/s WDM signal over 300 km through a triple cascade of simple Colorless and Directionless large-scale OXCs composed of a 3D-MEMS…”
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PMD tolerance of 100-Gbit/s digital coherent PDM-QPSK in DSF-installed field testbed by Yamamoto, S., Yamanaka, S., Matsuura, A., Kobayashi, T., Iwaki, A., Suzuki, M., Inui, T., Sakano, T., Tomizawa, M., Miyamoto, Y., Kotanigawa, T., Maeda, A.

“…We confirm experimentally that 100-Gbit/s digital coherent PDM-QPSK exhibits high tolerance against at least 50-ps DGD and 1800-ps^2 SOPMD in a large-PMD field…”
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Field trial of 43-Gbit/s RZ-DQPSK transmission in aerial fiber with rapidly changing SOP by Matsuda, T., Kawasaki, T., Kotanigawa, T., Naka, A., Oda, K.

“…We use long-term SOP measurements to assess the characteristic of SOP change in aerial fiber. We demonstrate field transmission of 43-Gbit/s RZ-DQPSK signals…”
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Hybrid 40-Gb/s and 100-Gb/s PDM-QPSK DWDM transmission using real-time DSP in field testbed by Yamamoto, S., Inui, T., Kawakami, H., Yamanaka, S., Kawai, T., Ono, T., Mori, K., Suzuki, M., Iwaki, A., Kataoka, T., Fukutoku, M., Nakagawa, T., Sakano, T., Tomizawa, M., Miyamoto, Y., Suzuki, S., Murata, K., Kotanigawa, T., Maeda, A.

“…We demonstrate hybrid 40-Gb/s and 100-Gb/s PDM-QPSK DWDM transmission using real-time DSP in 580-km DSF-installed field testbed. The nonlinear crosstalk…”
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OSNR enhancement using a novel pump-wavelength detuning scheme for forward-pumped distributed Raman amplification in a 40 Gb/s-based WDM in-line amplifier transmission system by Kotanigawa, T., Masuda, H., Matsuda, T., Matsuoka, S.

“…OSNR enhancement by using a novel pump-wave length detuning scheme for forward-pumped distributed Raman amplification in a 40 Gb/s-based L-band WDM in-line…”
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Unstable Raman amplification due to Brillouin scattering and its suppression for 40Gb/s WDM transmission by Kotanigawa, T., Matsuda, T., Naka, A.

“…The instability in Raman amplifiers due to Brillouin scattering is observed for the first time and successfully suppressed by phase modulation. A U-band 40…”
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Demonstration of a space-to-time conversion based on a time-space conversion technique among time signals and 2-D space ones by Konishi, T., Oshita, Y., Kotanigawa, T., Furukawa, H., Ichioka, Y.

“…We demonstrate a direct space-to-time conversion based on a new technique for the ultra-fast optical time-to-2D-space-to-time-to-2D-space conversion technique…”
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Activation of Hydrogen over Sulfate-Promoted Iron Oxide by Kotanigawa, Takeshi, Yamamoto, Mitsuyoshi, Wang, Nan, Sabu, Kuzhunellili R, Owada, Masahiko, Sugioka, Masatoshi

“…The mechanism for activation of hydrogen over sulfate-promoted iron oxide has been investigated by means of hydrogen TPD and FTIR spectrometry of adsorbed…”
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