Takahiro Kashiwazaki

Fabrication of low-loss quasi-single-mode PPLN waveguide and its application to a modularized broadband high-level squeezer

Takahiro Kashiwazaki, Taichi Yamashima, Naoto Takanashi et al. · Applied Physics Letters · 2021 · 93 citations · Full text

Over-30-dB gain and 1-dB noise figure phase-sensitive amplification using a pump-combiner-integrated fiber I/O PPLN module

Takushi Kazama, Takeshi Umeki, Shimpei Shimizu et al. · Optics Express · 2021 · 53 citations · Full text

Photonics, Engineering, Optical Amplification +10

Over-8-dB squeezed light generation by a broadband waveguide optical parametric amplifier toward fault-tolerant ultra-fast quantum computers

Takahiro Kashiwazaki, Taichi Yamashima, Koji Enbutsu et al. · Applied Physics Letters · 2023 · 51 citations · Full text

Toward a multi-core ultra-fast optical quantum processor: 43-GHz bandwidth real-time amplitude measurement of 5-dB squeezed light using modularized optical parametric amplifier with 5G technology

Asuka Inoue, Takahiro Kashiwazaki, Taichi Yamashima et al. · Applied Physics Letters · 2023 · 47 citations · Full text

Engineering, Optical Transmission System, 5-Db Squeezed Light +22

PPLN-Based Optical Parametric Amplification for Wideband WDM Transmission

Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama et al. · Journal of Lightwave Technology · 2022 · 43 citations · Full text

Optical Materials, Engineering, Wave Optic +18