Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Reio Mochida"'
Autor:
Shin Tanaka, Kenichi Nishi, Kanbe Satoshi, Yasuhiko Arakawa, Yoshitaka Yokoyama, Yasunari Maeda, Hayato Kondo, M. Sugawara, Takeo Kageyama, Tsuyoshi Yamamoto, Kan Takada, Reio Mochida, Keizo Takemasa
Publikováno v:
Optical Fiber Technology. 20:714-724
Semiconductor DFB (Distributed feedback) laser diodes with an operating wavelength of 1064 nm, which is suitable for pulse-on-demand fiber laser, have been developed. The stable performance of CW and nanosecond/picosecond pulsed operation is reviewed
Autor:
Keizo Takemasa, Satoshi Iwamoto, Katsuaki Tanabe, Yuan-Hsuan Jhang, Reio Mochida, Yasuhiko Arakawa, Mitsuru Sugawara
Publikováno v:
Optics express. 24(16)
We demonstrate direct modulation of an InAs/GaAs quantum dot (QD) laser on Si. A Fabry-Perot QD laser was integrated on Si by an ultraviolet-activated direct bonding method, and a cavity was formed using cleaved facets without HR/AR coatings. The bon
Autor:
Mitsuru Sugawara, Reio Mochida, Yasuhiko Arakawa, Satoshi Iwamoto, Katsuaki Tanabe, Keizo Takemasa, Yuan-Hsuan Jhang
Publikováno v:
2016 Compound Semiconductor Week (CSW) [Includes 28th International Conference on Indium Phosphide & Related Materials (IPRM) & 43rd International Symposium on Compound Semiconductors (ISCS).
We demonstrated the direct modulation in InAs/GaAs quantum dot (QD) lasers on Si. The Fabry-Perot QD laser was integrated on Si by direct bonding method, and a cavity was formed by the as-cleaved facets without HR/AR coatings. The bonded laser was op
Autor:
Takeo Kageyama, Kenichi Nishi, Mitsuru Sugawara, Yasunari Maeda, Yasuhiko Arakawa, Hayato Kondo, Tsuyoshi Yamamoto, Reio Mochida, Kan Takada, Keizo Takemasa
Publikováno v:
2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEOPR).
1240-nm quantum-dot (QD) distributed-feedback (DFB) lasers are developed for the optical time-domain reflectometer. Fabricated DFB lasers with high-density QDs show excellent temperature-stable lasing characteristics in single-longitudinal-mode opera
Publikováno v:
IEEE Photonics Technology Letters. 16:2269-2271
A novel hybrid configuration of optical circulator is presented. A Garnet-Quartz composite (GQC), which is comprised of four quarter-wave plates and Faraday rotator, is embedded into a groove formed across the branching waveguides pair of Mach-Zehnde
Autor:
Kan Takada, Y. Arakawa, Tomohiko Yamamoto, M. Yamaguchi, Keizo Takemasa, Y. Maeda, Kenichi Nishi, Takeo Kageyama, M. Sugawara, Yu Tanaka, H. Kondo, Reio Mochida
Publikováno v:
SPIE Proceedings.
High temperature (>125°C) resistant long-wavelength semiconductor lasers are attractive as light sources in a variety of harsh environments. Here, we report extremely high temperature continuous-wave (CW) operation of QD lasers on GaAs substrate emi
Autor:
K. Takemasa, T. Yamamoto, Reio Mochida, M. Sugawara, Takeo Kageyama, Yu Tanaka, Kenichi Nishi, M. Yamaguchi, Yasuhiko Arakawa, Y. Maeda
Publikováno v:
2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC).
High temperature (>125°C) resistant semiconductor lasers are attractive as light sources in a variety of harsh environments [1]. Long-wavelength lasers operating under higher temperature of more than 200°C combined with silica-based optical fibers