High-output-power polarization-insensitive semiconductor optical amplifier von Morito, K., Ekawa, M., Watanabe, T., Kotaki, Y.

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Lack of allelopathic effects of the domoic acid-producing marine diatom Pseudo-nitzschia multiseries von Lundholm, N, Hansen, PJ, Kotaki, Y

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Six domoic acid related compounds from the red alga, Chondria armata, and domoic acid biosynthesis by the diatom, Pseudo-nitzschia multiseries von Maeno, Yukari, Kotaki, Yuichi, Terada, Ryuta, Cho, Yuko, Konoki, Keiichi, Yotsu-Yamashita, Mari

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INTER- AND INTRASPECIFIC VARIATION OF THE PSEUDO-NITZSCHIA DELICATISSIMA COMPLEX (BACILLARIOPHYCEAE) ILLUSTRATED BY RRNA PROBES, MORPHOLOGICAL DATA AND PHYLOGENETIC ANALYSES von Lundholm, Nina, Moestrup, Øjvind, Kotaki, Yuichi, Hoef-Emden, Kerstin, Scholin, Chris, Miller, Peter

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Wide distribution of Nitzschia navis-varingica, a new domoic acid-producing benthic diatom found in Vietnam von Kotaki, Y. (Kitasato Univ., Sanriku, Iwate (Japan). School of Fisheries Sciences), Lundholm, N, Onodera, H, Kobayashi, K, Bajarias, F.F.A, Furio, E.F, Iwataki, M, Fukuyo, Y, Kodama, M

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Penalty-free 10 Gb/s NRZ transmission over 100 km of standard fiber at 1.55 μm with a blue-chirp modulator integrated DFB laser von Morito, K., Sahara, R., Sato, K., Kotaki, Y.

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High-efficiency wavelength conversion using FWM in an SOA integrated DFB laser von Simoyama, T., Kuwatsuka, H., Little, B.E., Matsuda, M., Kotaki, Y., Ishikawa, H.

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Stability in single longitudinal mode operation in GaInAsP/InP phase-adjusted DFB lasers von Soda, H., Kotaki, Y., Sudo, H., Ishikawa, H., Yamakoshi, S., Imai, H.

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A novel method for designing chirp characteristics in electroabsorption MQW optical modulators von Matsuda, M., Morito, K., Yamaji, K., Fujii, T., Kotaki, Y.

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Production of isodomoic acids A and B as major toxin components of a pennate diatom Nitzschia navis-varingica von Kotaki, Yuichi, Furio, Elsa F., Satake, Masayuki, Lundholm, Nina, Katayama, Tsutaki, Koike, Kazuhiko, Fulgueras, Virgilio P., Bajarias, Fe A., Takata, Yoshinobu, Kobayashi, Kenji, Sato, Shigeru, Fukuyo, Yasuwo, Kodama, Masaaki

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Interspecies Distribution and Possible Origin of Tetrodotoxin von YASUMOTO, T., NAGAI, H., YASUMURA, D., MICHISHITA, T., ENDO, A., YOTSU, M., KOTAKI, Y.

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Long-cavity multiple-phase-shift distributed feedback laser diode for linewidth narrowing von Ogita, S., Kotaki, Y., Matsuda, M., Kuwahara, Y., Ishikawa, H.

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Confirmation of domoic acid production of Pseudo-nitzschia multiseries isolated from Ofunato Bay, Japan von Kotaki, Yuichi, Koike, Kazuhiko, Sato, Shigeru, Ogata, Takehiko, Fukuyo, Yasuwo, Kodama, Masaaki

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FM response of narrow-linewidth, multielectrode lambda /4 shift DFB laser von Ogita, S., Kotaki, Y., Matsuda, M., Kuwahara, Y., Onaka, H., Miyata, H., Ishikawa, H.

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Presence of free D-amino acids in microalgae von Yokoyama, T. (Kitasato Univ., Sanriku, Iwate (Japan). School of Fisheries), Kanno, N, Ogata, T, Kotaki, Y, Sato, M, Nagahisa, E

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1-Hydroxy-5,11-dideoxytetrodotoxin, the first N-hydroxy and ring-deoxy derivative of tetrodotoxin found in the newt Taricha granulosa von Kotaki, Yuichi, Shimizu, Yuzuru

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Occurrence of okadaic acid-producing Prorocentrum lima on the Sanriku coast, Northern Japan von Koike, Kazuhiko, Sato, Shigeru, Yamaji, Mikinari, Nagahama, Yukio, Kotaki, Yuichi, Ogata, Takehiko, Kodama, Masaaki

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Bacterial transformation of paralytic shellfish toxins in coral reef crabs [Atergatis floridus and Eriphia scabricula] and a marine snail von Kotaki, Y. (Shokei Women's Junior Coll., Sendai (Japan)), Oshima, Y, Yasumoto, T

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Possible occurrence of intracellular bacteria in Pseudonitzschia multiseries, a causative diatom of amnesic shellfish poisoning von Kobayashi, K. (Kitasato Univ., Tokyo (Japan)), Kobiyama, A, Kotaki, Y, Kodama, M

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High-efficiency InGaAsP/InP flat-surface buried heterostructure distributed feedback lasers at 1.55 μm von WAKAO, K, KIHARA, K, KOTAKI, Y, KUSUNOKI, T, SUDO, H, ISOZUMI, S, YAMAKOSHI, S, ISHIKAWA, H, IMAI, H

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