Junichi Hamazaki

National Institute of Information and Communications Technology — Japan

Engineering · Physical Sciences

9h-index606citations67works0.02yr avg
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Research Topics

Terahertz technology and applications(25), Photonic and Optical Devices(15), Advanced Fiber Laser Technologies(12), Spectroscopy and Laser Applications(12), GaN-based semiconductor devices and materials(11)

Publications67 total

Conversion efficiency improvement of terahertz wave generation laterally emitted by a ridge-type periodically poled lithium niobate
Optics Express·2022· 9 citedOpen Access
THz wave generation from ridge-type PPLN pumped by picosecond pulses
The Japan Society of Applied Physics·2021
Rigde-type PPLN device toward high-efficient THz wave generation
IEICE Technical Report; IEICE Tech. Rep.·2020
Efficient THz wave generation from side surface of PPLN by improving ridge structure
The Japan Society of Applied Physics·2020
THz wave generation from side surface of ridge-shaped PPLN pumped by fs-pulse
The Japan Society of Applied Physics·2019
THz Pulse Generation Emitted from Slant-Stripe-Type PPLN Via Optical Rectification Effect
2019
THz wave generation from side surface of slanted PPLN pumped by femto-second pulse
The Japan Society of Applied Physics·2019
Temporal Frequency Distribution of Thz Pulses by Changing Pump Pulse Conditions
2018
Frequency Up-Conversion of Data-Carrying Optical Vortex for Optical Fibre to Optical Wireless Communications Interface
2018
Telecommunication using optical angular momentum doubling of optical vortices
The Japan Society of Applied Physics·2018
Optical vortex THz pulse generation using Tsurupica spiral phase plate
The Japan Society of Applied Physics·2017
Topological charge doubling of continuous-wave optical vortex in telecommunication wavelength via second-harmonic-generation
The Japan Society of Applied Physics·2017
Optical angular momentum doubling of continuous-wave optical vortices in telecommunication wavelength
Conference on Lasers and Electro-Optics·2017
Effects of chirp of pump pulses on broadband terahertz pulse spectra generated by optical rectification
Japanese Journal of Applied Physics·2016· 7 cited
Propagation effect of broadband frequency-chirped THz wave pulse in periodically poled lithium niobate
2016
Origin of intensity fluctuation in multi-cycle THz wave pulse emitted from PPLN
The Japan Society of Applied Physics·2016
broadband multi-cycle frequency-chirped terahertz pulse generation from PPLN
IEICE Technical Report; IEICE Tech. Rep.·2016
Broadband frequency-chirped terahertz-wave signal generation using periodically-poled lithium niobate for frequency-modulated continuous-wave radar application
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE·2016· 4 cited
Frequency-chirped THz wave emitted from PPLN by ultrashort high-power pulse pumping
The Japan Society of Applied Physics·2016
Frequency-chirped multi-cycled terahertz pulse generated from periodically poled lithium niobate for frequency-modulated continuous-wave radars
Conference on Lasers and Electro-Optics·2016
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Frequent Co-authors

Iwao Hosako(24), Norihiko Sekine(23), Akifumi Kasamatsu(16), Hideyuki Kunugita(14), Kazuhiro Ema(14), Yoh Ogawa(10), Katsumi Kishino(8), Ryuji Morita(7), Akihiko Kikuchi(7), Takashige Omatsu(6), Masahiro Rikukawa(6), Kohei Sanui(6), Naokatsu Yamamoto(6), Takashi Kobayashi(5), S. Matsui(4), M. Arakawa(4), K. Ochiai(4), Tadashi Kishimoto(4), Yuriya Mineta(3), K. Ikuno(3)