Yohei Sakamaki

Ultra-High Capacity WDM Transmission Using Spectrally-Efficient PDM 16-QAM Modulation and C- and Extended L-Band Wideband Optical Amplification

Akihide Sano, Hiroji Masuda, Takayuki Kobayashi et al. · Journal of Lightwave Technology · 2011 · 83 citations

Photonics, Optical Materials, Engineering +15

Experimental demonstration of multi-degree colorless, directionless, contentionless ROADM for 127-Gbit/s PDM-QPSK transmission system

Yohei Sakamaki, Takeshi Kawai, Tetsuro Komukai et al. · Optics Express · 2011 · 43 citations · Full text

Free-space Optical Network, Photonics, Contentionless Roadm +15

64QAM modulator with a hybrid configuration of silica PLCs and LiNbO 3 phase modulators for 100-Gb/s applications

Hiroshi Yamazaki, Takashi Yamada, Takashi Goh et al. · 2009 · 29 citations

Optical Materials, Engineering, Optical Transmission System +16

Low-Loss Y-Branch Waveguides Designed by Wavefront Matching Method

Yohei Sakamaki, Takashi Saida, Toshikazu Hashimoto et al. · Journal of Lightwave Technology · 2009 · 24 citations

Waveguides, Engineering, Electromagnetic Compatibility +16

Compact 111-Gbit/s integrated RZ-DQPSK modulator using hybrid assembly technique with silica-based PLCs and LiNbO<inf>3</inf> devices

Takashi Yamada, Yohei Sakamaki, Tomohiro Shibata et al. · 2008 · 22 citations

Photonics, Electrical Engineering, Hybrid Assembly Technique +14