Tetsuya Kawanishi focuses on Optics, Modulation, Optical modulator, Phase-shift keying and Electro-optic modulator. Tetsuya Kawanishi has included themes like Intensity modulation, Optoelectronics, Quadrature amplitude modulation and Phase modulation in his Optics study. He interconnects Multiphoton intrapulse interference phase scan and Pulse in the investigation of issues within Modulation.
His research in Optical modulator intersects with topics in Ultrashort pulse, Optical amplifier, Radio frequency, Electrode and Mach–Zehnder interferometer. His Phase-shift keying study combines topics from a wide range of disciplines, such as Wireless, Transmission, Wavelength-division multiplexing, Bit error rate and Electronic engineering. His work deals with themes such as Stub, Modulation efficiency and Comb generator, Frequency comb, which intersect with Electro-optic modulator.
Tetsuya Kawanishi mostly deals with Optics, Optoelectronics, Electronic engineering, Modulation and Electro-optic modulator. His research integrates issues of Optical modulator and Signal in his study of Optics. Tetsuya Kawanishi combines subjects such as Mach–Zehnder interferometer and Optical filter with his study of Optical modulator.
His Electronic engineering study integrates concerns from other disciplines, such as Phase-shift keying, Transmission, Radio over fiber, Wavelength-division multiplexing and Quadrature amplitude modulation. His studies in Modulation integrate themes in fields like Frequency modulation, Sideband and Phase modulation. The Electro-optic modulator study combines topics in areas such as Chirp, Extinction ratio and Comb generator.
His primary areas of investigation include Optoelectronics, Radio over fiber, Electronic engineering, Optics and Transmission. Tetsuya Kawanishi has researched Optoelectronics in several fields, including Optical fiber, Optical modulator, Modulation and Laser. His work carried out in the field of Radio over fiber brings together such families of science as Extremely high frequency, Wavelength-division multiplexing, Multi-mode optical fiber and Communications system.
His Electronic engineering research is multidisciplinary, incorporating elements of Wireless, MIMO, Signal and Orthogonal frequency-division multiplexing. His study in Electro-optic modulator extends to Optics with its themes. His work in Transmission tackles topics such as W band which are related to areas like Fiber wireless.
His scientific interests lie mostly in Radio over fiber, Electronic engineering, Optoelectronics, Transmission and Optics. His biological study spans a wide range of topics, including Fiber-optic communication, Optical fiber, Orthogonal frequency-division multiplexing, Radar and Signal. His research in Optoelectronics intersects with topics in Thin film and Modulation.
Many of his research projects under Modulation are closely connected to Track with Track, tying the diverse disciplines of science together. The study incorporates disciplines such as Intensity modulation, Surface roughness and Phase modulation in addition to Optics. The various areas that Tetsuya Kawanishi examines in his Phase modulation study include Amplitude modulation, Electro-optic modulator, Extinction ratio and Quadrature amplitude modulation.
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Asymptotic formalism for ultraflat optical frequency comb generation using a Mach-Zehnder modulator.
Takahide Sakamoto;Tetsuya Kawanishi;Masayuki Izutsu.
Optics Letters (2007)
Single side-band modulation performance of a LiNbO 3 integrated modulator consisting of four-phase modulator waveguides
S. Shimotsu;S. Oikawa;T. Saitou;N. Mitsugi.
IEEE Photonics Technology Letters (2001)
19-core fiber transmission of 19×100×172-Gb/s SDM-WDM-PDM-QPSK signals at 305Tb/s
Jun Sakaguchi;Benjamin J. Puttnam;Werner Klaus;Yoshinari Awaji.
optical fiber communication conference (2012)
High-Speed Control of Lightwave Amplitude, Phase, and Frequency by Use of Electrooptic Effect
T. Kawanishi;T. Sakamoto;M. Izutsu.
IEEE Journal of Selected Topics in Quantum Electronics (2007)
40 Gb/s W-band (75–110 GHz) 16-QAM radio-over-fiber signal generation and its wireless transmission
Atsushi Kanno;Keizo Inagaki;Isao Morohashi;Takahide Sakamoto.
Optics Express (2011)
109-Tb/s (7×97×172-Gb/s SDM/WDM/PDM) QPSK transmission through 16.8-km homogeneous multi-core fiber
Jun Sakaguchi;Yoshinari Awaji;Naoya Wada;Atsushi Kanno.
optical fiber communication conference (2011)
305 Tb/s Space Division Multiplexed Transmission Using Homogeneous 19-Core Fiber
J. Sakaguchi;B. J. Puttnam;W. Klaus;Y. Awaji.
Journal of Lightwave Technology (2013)
25.6-Tb/s WDM Transmission of Polarization-Multiplexed RZ-DQPSK Signals
A.H. Gnauck;G. Charlet;P. Tran;P.J. Winzer.
optical fiber communication conference (2008)
100Gbit/s DQPSK Transmission Experiment without OTDM for l00G Ethernet Transport
M. Daikoku;I. Morita;H. Taga;H. Tanaka.
optical fiber communication conference (2006)
100-Gb/s DQPSK Transmission: From Laboratory Experiments to Field Trials
P.J. Winzer;G. Raybon;Haoyu Song;A. Adamiecki.
Journal of Lightwave Technology (2008)
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