Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Tetsuya Nakanishi"'
Autor:
Benjamin J. Puttnam, Naoya Wada, Tetsuya Hayashi, Taketoshi Takahata, Hideaki Furukawa, Toshiki Taru, Tetsuya Kobayashi, Werner Klaus, Tobias A. Eriksson, Georg Rademacher, Jun Sakaguchi, Ruben S. Luis, Tetsuya Nakanishi, Takuji Nagashima, Yoshinari Awaji
Publikováno v:
Journal of Lightwave Technology. 39:1048-1055
High capacity transmission with a data rate over 10.66 Pb/s is demonstrated in a 13 km, 38-core-3-mode few-mode multi-core fiber. This was achieved with a single optical comb source to generate 368 × 24.5 GBaud 64- or 256-quadrature-amplitude-modula
Autor:
Ruben S. Luis, Benjamin J. Puttnam, Georg Rademacher, Satoshi Shinada, Tetsuya Hayashi, Tetsuya Nakanishi, Yuki Saito, Tetsu Morishima, Hideaki Furukawa
Publikováno v:
Journal of Optical Communications and Networking. 15:C41
This work demonstrates the use of spatial division multiplexing (SDM) to implement spine-leaf datacenter network topologies. We consider two possible scenarios, with the first consisting of the direct use of high-capacity multicore fiber interconnect
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 462:177-181
An RF-knockout extraction method to obtain a uniform spill intensity has been proposed using a colored noise including many frequency bands around the betatron resonances. A prototype of the RF-knockout system has been developed for a proof-of-princi
Autor:
Peter De Dobbelaere, Tetsuya Hayashi, Andrea Reale, Dionisios Pnevmatikatos, Michael Enrico, Dimitris Syrivelis, Arsalan Saljoghei, Hui Yuan, Craig Kochis, Dimitris Theodoropoulos, Georgios Zervas, Tetsuya Nakanishi, Vaibhawa Mishra, Nick Parsons
Publikováno v:
Journal of Lightwave Technology. 37:4017-4029
This paper proposes and experimentally evaluates a fully developed novel architecture with purpose built low latency communication protocols for next generation disaggregated data centers (DDCs). In order to accommodate for capacity and latency needs
Autor:
Tetsuya Nakanishi, Jocelyn Pelletier, Kotaro Yonezu, Thomas Tindell, Seang Sirisokha, Koichiro Watanabe
Publikováno v:
Open Journal of Geology. :342-363
The Halo copper-molybdenum prospect is a porphyry system in Ratanakiri province, northeastern part of Cambodia. There is only one research was carried out on this prospect about geological mapping and short wave infrared (SWIR) spectroscopy on altera
Autor:
Tetsuya Nakanishi, Georg Rademacher, Benjamin J. Puttnam, Hideaki Furukawa, Naoya Wada, Fabio Graziosi, Antonio Mecozzi, Cristian Antonelli, Andrea Marotta, Yoshinari Awaji, Ruben S. Luis, Tetsuya Hayashi, Satoshi Shinada
Publikováno v:
OFC
We review recent works analyzing inter-core skew in multi-core fibers, comparing the behaviors of spooled fibers in laboratory conditions with field deployed fibers.
Autor:
Hideaki Furukawa, Ruben S. Luis, Tetsuya Kobayashi, Taketoshi Takahata, Toshiki Taru, Jun Sakaguchi, Werner Klaus, Tetsuya Hayashi, Georg Rademacher, Benjamin J. Puttnam, Tobias A. Eriksson, Tetsuya Nakanishi, Takuji Nagashima, Yoshinari Awaji
Publikováno v:
ECOC
We demonstrate multi-span transmission over 65 ( $5\times 13$ ) km few-mode multi-core fiber by transmitting $368\times 24.5$ GBaud C- and L-band signals with QPSK, 16- or 64 QAM modulation. We analyze each core-combination's transmission channel cha
Publikováno v:
Fourth International Conference on Photonics Solutions (ICPS2019).
TOMBO is a compound-eye imaging system in which an image sensor is divided into multiple sections by small lenses. The system has notable features such as the capability of capturing various types of object signals at a time, flexibility in optical s
Autor:
Antonio Mecozzi, Mikael Mazur, Nicolas K. Fontaine, Tetsu Morishima, Tetsuya Hayashi, Fabio Graziosi, Roland Ryf, Andrea Marotta, Haoshuo Chen, Takuji Nagashima, Tetsuya Nakanishi, Cristian Antonelli
Publikováno v:
ECOC
We show combined SDM/WDM transmission over a deployed and cabled 4-core coupled-core fibers over distances up to 4014 km for QPSK and 2768 km for 16QAM signals. The results confirm the technical viability of coupled-core fibers in the field.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00b1161be45a1e51ffedab1d9606dd6c
http://hdl.handle.net/11697/161030
http://hdl.handle.net/11697/161030
Autor:
Hideaki Furukawa, Ruben S. Luis, Naoya Wada, Tetsuya Kobayashi, Jun Sakaguchi, Tobias A. Eriksson, Taketoshi Takahata, Tetsuya Nakanishi, Benjamin J. Puttnam, Georg Rademacher, Yoshinari Awaji, Tetsuya Hayashi, Takuji Nagashima, Toshiki Taru, Werner Klaus
Publikováno v:
OFC
We demonstrate transmission of 368-WDM-38-core-3-mode × 24.5-GBaud 64-and 256-QAM signals over 13 km. Record data-rate and spectral-efficiency of 1158.7 b/s/Hz were enabled by a low DMD 38-core-3-mode fiber with high uniformity amongst cores.