Faculty of Science and Technology, Department of Information and Communication Sciences
Job title
Professor
Degree
Bachelor of Engineering(Tohoku University), Master of Engineering(Tohoku University), Ph.D(Tohoku University)
Research funding number
40500468
J-Global ID
201301016462743143
Profile
1986-1987 Tohoku University, Research on material characterization using ultrasonic wave 1988-2012 NTT Photonics Laboratories, Research on integrated-optic waveguide devices for optical commnication 2013- Now Dept. Information and Communication, Sophia Univ., Research on ultrafast optical communication
Research Interests
modulation and demodulation
,optical integrated circuits
,Optical signal processing
,Optical fiber communication
Research Areas
Informatics / Information networks / Communication technolgy, Optical fiber communication, optical integrated circuit
Microoptics Conference, The Japan Society of Applied Physics, Microoptics Conference Best Paper AwardK. Yajima T. Kawashima T. Ijiro T. Chiba S. Kawakami H. Takahashi
Feb 2016
Rank Prize Funds, The Rank Prize for Optoelectronics,UKHiroshi takahashi Meint K. Smit Corrado P. Dragone
Koki Sugiyama Takafumi Chiba Ken Tanizawa Keijiro Suzuki Takayuki Kawashima Shojiro Kawakami Kazuhiro Ikeda Hitoshi Kawashima Hiroshi Takahashi Hiroyuki Tsuda
IEICE ELECTRONICS EXPRESS 14(10) 1-6 May 2017 [Refereed]
We propose a compact polarization diversity circuit for a silicon waveguide device. It consists of silica waveguides and photonic crystal waveplates, and can convert input light with various polarization states into two output light signals with t...
Yoshida Takemasa Asakura Hideaki Tsuda Hiroyuki Mizuno Takayuki Takahashi Hiroshi
Technical report of IEICE. OPE 113(263) 9-12 Oct 2013
We designed and fabricated an integrated 1×4 wavelength selective switch using a silica planar light wave circuit. The channel spacing is 100 GHz and the number of channels is 40. Signal switching experiments show the switch to be error-free and h...
Yoshida Takemasa Asakura Hideaki Tsuda Hiroyuki Mizuno Takayuki Takahashi Hiroshi
Technical report of IEICE. LQE 113(264) 9-12 Oct 2013
We designed and fabricated an integrated 1×4 wavelength selective switch using a silica planar light wave circuit. The channel spacing is 100 GHz and the number of channels is 40. Signal switching experiments show the switch to be error-free and h...
Sophia University