Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Takahiro Suganuma"'
Publikováno v:
Optical Fiber Communication Conference (OFC) 2023.
A core pumped 4-core erbium doped optical fiber amplifier with a pump fan-in integrated combiner achieved the highest optical power conversion efficiency of 32.2% among reported C-band multicore erbium doped optical fiber amplifiers.
Autor:
Yuto Kobayashi, Takahiro Suganuma, Tetsuya Hayashi, Takemi Hasegawa, Masato Yoshida, Masataka Nakazawa
Publikováno v:
2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC).
Publikováno v:
Journal of Lightwave Technology. 38:447-456
Direct-detection (DD) Stokes vector receiver (SVR) has rapidly gained interest for the high-speed datacenter and short-reach links, owing to its capability of recovering 3D optical signals without using expensive coherent detection. In order to reduc
Autor:
Tetsuya Hayashi, Takuji Nagashima, Ayumi Inoue, Hirotaka Sakuma, Takahiro Suganuma, Takemi Hasegawa
Publikováno v:
Optical Fiber Communication Conference (OFC) 2022.
We review and discuss the design factors and considerations on MCFs for bidirectional transmissions, including connection polarity and crosstalk requirements. We also introduce MCFs suitable for bidirectional long-haul and short-reach transmissions.
Autor:
Rui Tang, Eisaku Kato, Ryota Tanomura, Kosuke Okawa, Yoshiaki Nakano, Takahiro Suganuma, Takuo Tanemura
Publikováno v:
Optics express. 28(17)
Integrated reconfigurable optical unitary converters (OUCs) are crucial in realizing all-optical spatial mode demultiplexing for mode-division-multiplexed transmission systems and programmable photonic processing for optical neural networks. In this
Publikováno v:
OFC
Scopus-Elsevier
Scopus-Elsevier
Carrier-injection-based polarization controller with strained MQW layer is demonstrated. Based on novel design concept, both polarization-rotating and phase-shifting sections are integrated monolithically on regrowth-free InGaAsP/InP platform to achi
Publikováno v:
Optics express. 27(25)
An integrated Stokes vector receiver (SVR) that can retrieve state of polarization of light in the three-dimensional (3D) Stokes space has widespread applications, such as short-reach communication links, polarization-sensitive imaging, and sensing.
Autor:
Ryoma Kobayashi, Takahiro Suganuma, Samir Ghosh, Yoshiaki Nakano, Takuo Tanemura, Mohiyuddin Kazi
Publikováno v:
Journal of Lightwave Technology. 36:1268-1274
Stokes vector modulation direct-detection (SVM-DD) formats have attained special attention in the short-reach communication links to transmit multilevel signals without using costly coherent receivers. In this paper, we fabricate and experimentally d
Autor:
Yoshiaki Nakano, Eisaku Kato, Masakazu Sugiyama, Takahiro Suganuma, Takuo Tanemura, Warakom Yanwachirakul
Publikováno v:
OECC/PSC
We fabricate and experimentally demonstrate a 4-port Stokes vector receiver with on-chip photodetectors monolithically integrated with InP-based polarization-converting circuit. Full Stokes parameters of intensity-varied signals are successfully retr
Publikováno v:
Conference on Lasers and Electro-Optics.