Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Hiroharu Wakabayashi"'
Autor:
Y. Yoshida, Hiroharu Wakabayashi, Noboru Edagawa, Hidenori Taga, Shu Yamamoto, Shigeyuki Akiba
Publikováno v:
Journal of Lightwave Technology. 12:1042-1046
We have evaluated the effect of fiber chromatic dispersion equalization at the receiving terminal for transoceanic optical communication systems. We used a 1000-km fiber loop with 31 Er-doped fiber amplifiers for the experiments, and measured the bit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c2e2559b51acd0a5f4b85ae3f758417
https://doi.org/10.1109/50.296197
https://doi.org/10.1109/50.296197
Publikováno v:
Journal of Lightwave Technology. 12:1448-1454
We have demonstrated multichannel wavelength-division multiplexed optical signal transmission experiments employing Er-doped fiber amplifiers. Four-channel transmission of 459 km and 1500 km experiments and two-channel transmission of 4550 km experim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e726e9e4241ade20a2d8b56cacd836e3
https://doi.org/10.1109/50.317533
https://doi.org/10.1109/50.317533
Autor:
Noboru Edagawa, Hidenori Taga, Y. Yoshida, H. Tanaka, Shigeyuki Akiba, Shu Yamamoto, Masatoshi Suzuki, Hiroharu Wakabayashi
Publikováno v:
Journal of Lightwave Technology. 12:231-236
We have demonstrated the transmission of data-coded optical soliton pulse at the bit-rate of 5 Gb/s over a few thousand kilometers. Ultra-short optical pulses generated with a sinusoidally driven electroabsorption modulator and a DFB-LD that were app
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::769841351861150a6e3fdf1f3cb53ada
https://doi.org/10.1109/50.350599
https://doi.org/10.1109/50.350599
Autor:
Noboru Edagawa, Hiroharu Wakabayashi, Y. Yoshida, Hidenori Taga, Shu Yamamoto, Shigeyuki Akiba
Publikováno v:
Journal of Lightwave Technology. 12:1616-1621
We have evaluated the transmission performance of different fiber-chromatic-dispersion-equalization methodologies for ultralong distance IM-DD optical communication systems that use Er-doped fiber amplifier repeaters. The experiment used a 1000 km fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6920799f78a1fc159ade0dca0e518855
https://doi.org/10.1109/50.320945
https://doi.org/10.1109/50.320945
Autor:
Hiroharu Wakabayashi, Noboru Edagawa, Shigeyuki Akiba, Shu Yamamoto, Y. Yoshida, Hidenori Taga
Publikováno v:
Journal of Lightwave Technology. 12:1455-1461
We have evaluated the transmission performance difference of ultra-long distance optical communication systems with Er-doped fiber amplifier repeaters due to fiber chromatic dispersion effect. A 1000 km fiber loop with 31 Er-doped fiber amplifiers wa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5bd1b6750c0c0ab0e609201e0260be51
https://doi.org/10.1109/50.317534
https://doi.org/10.1109/50.317534
Publikováno v:
Journal of Lightwave Technology. 11:2100-2104
The authors have evaluated the bit error-rate characteristics of the IM-DD ultralong-distance optical communication systems employing Er doped fiber amplifiers. A 2.5- and 5-Gb/s IM-DD nonreturn-to-zero signal was analyzed by recirculating-loop exper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4feca42218b161456238cc1a50b14773
https://doi.org/10.1109/50.257976
https://doi.org/10.1109/50.257976
Publikováno v:
Journal of Lightwave Technology. 9:675-682
Recent research and development work on coherent transmission systems, with emphasis on its application to optical-fiber submarine cable systems, are described. The authors demonstrated the feasibility of a polarization diversity scheme in a laborato
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5de6e892bf35d7c6b7471e293bb413cd
https://doi.org/10.1109/50.79545
https://doi.org/10.1109/50.79545
Publikováno v:
Journal of Lightwave Technology. 9:251-260
Studies on long-haul coherent optical fiber communication systems with in-line optical amplifier repeaters are made theoretically and experimentally. By theoretical calculation it was found that coherent systems can achieve wider dynamic range for an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0ce1660a1abeafd4dbe5d54f8a93622
https://doi.org/10.1109/50.65883
https://doi.org/10.1109/50.65883
Publikováno v:
Journal of Lightwave Technology. 8:1716-1722
Laser phase noise conversion to intensity noise due to fiber chromatic dispersion is analyzed by deriving the noise power spectral density. Theory predicts that the phase-modulation-amplitude-modulation conversion noise is a principal limiting factor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a515577c635e9c9972c64f500c985e01
https://doi.org/10.1109/50.60571
https://doi.org/10.1109/50.60571
Publikováno v:
Electronics Letters. 29:4-6
Chromatic dispersion measurement is demonstrated on a 4564 km transmission system with 138 cascaded optical amplifiers. The technique uses a phase error cancellation method, which significantly reduces the phase error due to the system length fluctua
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae108a3b509936128e71e91aee8d5fc0
https://doi.org/10.1049/el:19930003
https://doi.org/10.1049/el:19930003