Zobrazeno 1 - 10
of 162
pro vyhledávání: '"Youichi Sakakibara"'
Autor:
Keisuke Fukazawa, Ying Zhou, Shotaro Kitajima, Takeshi Saito, Youichi Sakakibara, Norihiko Nishizawa
Publikováno v:
Applied Sciences, Vol 12, Iss 23, p 12369 (2022)
In this paper, we have demonstrated a dispersion-managed, high-power, Tm-Ho co-doped ultrashort pulse fiber laser using a single walled carbon nanotube (SWNT) dispersed in polyimide film. An in-line type spectral filter was developed to control the o
Externí odkaz:
https://doaj.org/article/4030146a8216449f9e363eff015602ad
Publikováno v:
Photonics, Vol 2, Iss 3, Pp 808-824 (2015)
We investigated the dynamics of a dispersion-managed, passively mode-locked, ultrashort-pulse, Er-doped fiber laser using a single-wall carbon nanotube (SWNT) device. A numerical model was constructed for analysis of the SWNT fiber laser. The initial
Externí odkaz:
https://doaj.org/article/e78ad78e38564107861960d4e21ce043
Publikováno v:
Fiber Lasers XX: Technology and Systems.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2208f14894b47ce21e655e2257a7d367
https://doi.org/10.1117/12.2659569
https://doi.org/10.1117/12.2659569
Autor:
Yuki Atsumi, Tomoya Yoshida, Ryosuke Matsumoto, Ryotaro Konoike, Youichi Sakakibara, Takashi Inoue, Keijiro Suzuki
Publikováno v:
2023 Optical Fiber Communications Conference and Exhibition (OFC).
Characteristics of beam scanning device based on a broadband silicon vertically-curved-waveguide surface optical couplers are evaluated. We then demonstrate free-space transmission of 10-Gbps NRZ-OOK signals in the wide wavelength range from 1530 to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2e49cbd65e9417c26663dbebc6baff3
https://doi.org/10.23919/ofc49934.2023.10116429
https://doi.org/10.23919/ofc49934.2023.10116429
Autor:
Tomoya Yoshida, Yuki Atsumi, Emiko Omoda, Katsuya Kito, Katsuhiro Iwasaki, Yusuke Kinoshita, Tomoaki Kiriyama, Ryotaro Konoike, Keijiro Suzuki, Ryosuke Matsumoto, Takashi Inoue, Kazuhiro Ikeda, Takashi Kato, Youichi Sakakibara
Publikováno v:
2023 Optical Fiber Communications Conference and Exhibition (OFC).
We developed MCF core-to-core path-switching module using vertically curved silicon couplers. MCFs were directly mounted using passive pre-alignment with transmission camera observation. 32-Gbaud DP-QPSK signal transmission over the switch module was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1c529075622c0bbc2ff8bd523d7bf4c
https://doi.org/10.23919/ofc49934.2023.10116536
https://doi.org/10.23919/ofc49934.2023.10116536
Autor:
Yuki ATSUMI, Tomoya YOSHIDA, Ryosuke MATSUMOTO, Ryotaro KONOIKE, Youichi SAKAKIBARA, Takashi INOUE, Keijiro SUZUKI
Publikováno v:
IEICE Transactions on Electronics.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdc23392e32e341a36a824966d91b391
https://doi.org/10.1587/transele.2022oci0001
https://doi.org/10.1587/transele.2022oci0001
Publikováno v:
Optics letters. 47(10)
Here we report the demonstration of a spectral peaking phenomenon in a fiber laser oscillator. An HCN gas cell was inserted in an ultrashort-pulse Er-doped fiber laser with single-wall carbon nanotubes. Sech2-shaped ultrashort pulses with intense mul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62dc7c6b933542f6844a75353d629c9f
https://pubmed.ncbi.nlm.nih.gov/35561370
https://pubmed.ncbi.nlm.nih.gov/35561370
Publikováno v:
IEEE Photonics Technology Letters. 32:1319-1322
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7fc5c75bafbe749f8abdde5bedce8a7
https://doi.org/10.1109/lpt.2020.3022354
https://doi.org/10.1109/lpt.2020.3022354
Publikováno v:
Conference on Lasers and Electro-Optics.
We demonstrated spectral peaking phenomenon in fiber laser cavity for the first time. Ultrashort soliton pulse with multiple sharp spectral peaks were successfully generated in Er-doped SWNT fiber laser with HCN gas cell.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dff4ba4453e7096626e60b3b9c98ccbe
https://doi.org/10.1364/cleo_si.2022.sf2h.6
https://doi.org/10.1364/cleo_si.2022.sf2h.6
Publikováno v:
Conference on Lasers and Electro-Optics.
Highly efficient Tm-Ho co-doped ultrashort pulse fiber laser operating at 1.9 μm was developed using single wall carbon nanotube. Wideband supercontinuum at 2.0 μm was generated and high-resolution OCT imaging of human tooth was demonstrated.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd817665a9e4bd4a6c744447bf86ae32
https://doi.org/10.1364/cleo_si.2021.sth5a.5
https://doi.org/10.1364/cleo_si.2021.sth5a.5