Zobrazeno 1 - 10
of 308
pro vyhledávání: '"Y. Namihira"'
Autor:
M. Samiul Habib, M. Selim Habib, S. M. A. Razzak, M. A. Goffar Khan, Y. Namihira, M. A. Hossain
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 12, Iss 1, Pp 102-110
We present a holey fiber (HF) with elliptical air-holes located in the center core area that ensures high birefringence, near-zero ultra-flattened chromatic dispersion and very low confinement losses in a wide wavelength range. The finite element met
Externí odkaz:
https://doaj.org/article/6300ed4eb16b4c3ea110c01d275b9a76
Autor:
T. Miyagi, Kenichi Kashihara, Satoko Nakashita, T. Tokashiki, Tetsuya Maeda, Y. Namihira, K. Hirono, M. Hamada, T. Shinoda, M. Ito, Kenji Nakashima
Publikováno v:
Parkinsonism & Related Disorders. 46:e68
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0181d749b4dacc5ba54f4f4b9f4142c
https://doi.org/10.1016/j.parkreldis.2017.11.232
https://doi.org/10.1016/j.parkreldis.2017.11.232
Akademický článek
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Akademický článek
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Publikováno v:
Applied optics. 21(23)
A nondestructive method for measuring a beat length of stress-induced birefringent fibers is described. Using the method at 1.3-microm wavelength, the relation of the beat length in elliptically cladded fibers vs temperature is investigated. The expe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f370d754c81798753e39bac962f21ce
https://pubmed.ncbi.nlm.nih.gov/20401046
https://pubmed.ncbi.nlm.nih.gov/20401046
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
Autor:
Y. Namihira
Publikováno v:
Technical Digest: Symposium on Optical Fiber Measurements, 2004..
Final report of ITU-T round robin measurement for nonlinear coefficient (n2/Aeff) of various optical fibers using Pulsed-LD SPM, CW-LD SPM, XPM and Modulated signal-SPM methods is presented. The relationship between (n2/Aeff) and effective area (Aeff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9957f15f991b15cd9b898a677ea0113
https://doi.org/10.1109/sofm.2004.183469
https://doi.org/10.1109/sofm.2004.183469
Autor:
K. Nakajima, Y. Namihira
Publikováno v:
Electronics Letters. 30:1157-1159
A comparison of various polarisation mode dispersion (PMD) measurement methods in a 1600 km EDFA (Er-doped fibre amplifier) system is presented for the first time. The PMD in the 1600 km EDFA system was measured to be 3.6-5.8 ps. These values were in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13c4ce80c0bc33c488cf80035242850d
https://doi.org/10.1049/el:19940851
https://doi.org/10.1049/el:19940851
Autor:
Y. Namihira
Publikováno v:
Electronics Letters. 30:262-264
The relationship between nonlinear effective area (A/sub eff/) and mode field diameter (MFD) is presented for the first time. The correction factor k of A/sub eff/ and MFD (=A/sub eff//(( pi /4) MFD/sup 2/)) is found to be approximately 0.944 for var
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0101868259cec48c101f9562ff4a212
https://doi.org/10.1049/el:19940149
https://doi.org/10.1049/el:19940149
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