Search Results - "Takara, H."

Bandwidth Squeezed Restoration in Spectrum-Sliced Elastic Optical Path Networks (SLICE) by Sone, Y, Watanabe, A, Imajuku, W, Tsukishima, Y, Kozicki, B, Takara, H, Jinno, M

“…With the continuing growth in the amount of backbone traffic, improving the cost-effectiveness and ensuring survivability of the underlying optical networks…”
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Multi-span transmission using phase and amplitude regeneration in PPLN-based PSA by Umeki, T, Asobe, M, Takara, H, Miyamoto, Y, Takenouchi, H

“…We demonstrated multi-span transmission using a periodically poled LiNbO(3) (PPLN) based phase sensitive amplifier (PSA). An in-line PSA with a carrier…”
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One-hour-ahead load forecasting using neural network by Senjyu, T., Takara, H., Uezato, K., Funabashi, T.

“…Load forecasting has always been the essential part of an efficient power system planning and operation. Several electric power companies are now forecasting…”
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Over-1000-channel ultradense WDM transmission with supercontinuum multicarrier source by Ohara, T., Takara, H., Yamamoto, T., Masuda, H., Morioka, T., Abe, M., Takahashi, H.

“…In this paper, ultradense wavelength-division multiplexing (WDM) transmission technologies are discussed, and a field demonstration of over-1000-channel…”
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Multi-span transmission using phase and amplitude regeneration in PPLN-based PSA by Umeki, T., Asobe, M., Takara, H., Miyamoto, Y., Takenouchi, H.

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Averaged Q-factor method using amplitude histogram evaluation for transparent monitoring of optical signal-to-noise ratio degradation in optical transmission system by Shake, I., Takara, H.

“…Presents the averaged Q-factor method based on an amplitude histogram evaluation to monitor the optical signal quality of an optical transmission system. We…”
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Simple measurement of eye diagram and BER using high-speed asynchronous sampling by Shake, I., Takara, H., Kawanishi, S.

“…This paper discusses eye diagram measurement using asynchronous sampling. Simple bit error rate (BER) estimation from eye diagrams is performed. The use of…”
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Simple Q factor monitoring for BER estimation using opened eye diagrams captured by high-speed asynchronous electrooptical sampling by Shake, I., Takara, H., Kawanishi, S.

“…We propose a new signal-quality (Q factor) monitoring method that uses opened eye diagrams captured by asynchronous sampling. The use of high-speed…”
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Influence of Intrachannel Crosstalk With Frequency Dependence on Signal Degradation in Optical Switch Network by Yamamoto, S., Yoshimatsu, T., Takara, H., Komukai, T., Hashizume, Y., Kubota, H., Masuda, H., Jinno, M., Takada, A.

“…In this paper, we show the influence of intrachannel crosstalk in an optical switch network. The intrachannel crosstalk is mainly due to a signal that is not…”
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Distance-adaptive super-wavelength routing in elastic optical path network (SLICE) with optical OFDM by Takara, H, Kozicki, B, Sone, Y, Tanaka, T, Watanabe, A, Hirano, A, Yonenaga, K, Jinno, M

“…We propose a spectrally-efficient super-wavelength-path routing in SLICE by selecting a set of subcarrier numbers and modulation levels according to path…”
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40-Gb/s × 4-channel all-optical multichannel limiter utilizing spectrally filtered optical solitons by Ohara, T, Takara, H, Hirano, A, Mori, K, Kawanishi, S

“…We propose a novel all-optical multichannel limiter that uses spectrally filtered optical solitons. The periodic nonlinear optical fiber described herein can…”
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Chromatic dispersion dependence of asynchronous amplitude histogram evaluation of NRZ signal by Shake, I., Takara, H.

“…This paper presents the chromatic dispersion dependence of the averaged Q-factor method based on an evaluation of an asynchronous amplitude histogram. We…”
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Highly Stable 160-Gb/s OTDM Technologies Based on Integrated MUX/DEMUX and Drift-Free PLL-Type Clock Recovery by Ohara, T., Takara, H., Shake, I., Yamada, T., Ishii, M., Ogawa, I., Okamoto, M., Kawanishi, S.

“…This paper reports 160-Gb/s optical time-division-multiplexed (OTDM) technologies including an all-optical integrated multiplexer (MUX) providing all-channel…”
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40-Gb/s x 4-channel all-optical multichannel limiter utilizing spectrally filtered optical solitons by Ohara, T., Takara, H., Hirano, A., Mori, K., Kawanishi, S.

“…We propose a novel all-optical multichannel limiter that uses spectrally filtered optical solitons. The periodic nonlinear optical fiber described herein can…”
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Subpicosecond timing control using optical double-pulses correlation measurement by Uchiyama, K., Nonaka, K., Takara, H.

“…Optical pulse timing control is very important for stabilizing extremely dense optical signal handling devices such as optical time-division multiplexers. We…”
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160-Gb/s OTDM transmission using integrated all-optical MUX/DEMUX with all-channel modulation and demultiplexing by Ohara, T., Takara, H., Shake, I., Mori, K., Sato, K., Kawanishi, S., Mino, S., Yamada, T., Ishii, M., Ogawa, I., Kitoh, T., Magari, K., Okamoto, M., Roussev, R.V., Kurz, J.R., Parameswaran, K.R., Fejer, M.M.

“…This letter provides the first report of 160-Gb/s optical time-division-multiplexed transmission with all-channel independent modulation and all-channel…”
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3:10 PM Abstract No. 232 Factors associated with the secondary functional access patency after percutaneous transluminal angioplasty of the early failing or immature hemodialysis arteriovenous fistula by Higashiura, W., Takara, H.

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Quality monitoring of optical signals influenced by chromatic dispersion in a transmission fiber using averaged Q-factor evaluation by Shake, I., Takara, H., Uchiyama, K., Yamabayashi, Y.

“…We evaluated the averaged Q-factor for optical signals distorted by chromatic dispersion in a transmission fiber. This letter confirms that our method has…”
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160-Gb/s optical-time-division multiplexing with PPLN hybrid integrated planar lightwave circuit by Ohara, T., Takara, H., Shake, I., Mori, K., Kawanishi, S., Mino, S., Yamada, T., Ishii, M., Kitoh, T., Kitagawa, T., Parameswaran, K.R., Fejer, M.M.

“…160-Gb/s (20 Gb/s /spl times/ 8) optical time-division-multiplexing is demonstrated using a multiplexer based on periodically poled lithium niobate hybrid…”
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Dispersion slope equalizer for dispersion shifted fiber using a lattice-form programmable optical filter on a planar lightwave circuit by Takiguchi, K., Kawanishi, S., Takara, H., Himeno, A., Hattori, K.

“…This paper reports an integrated-optic dispersion slope (third-order dispersion) equalizer for dispersion shifted fiber which employs a lattice-form…”
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