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 · 99 citations · Full text

Engineering, Electrical Engineering, Materials Science +17

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 · 56 citations · Full text

Engineering, Electrical Engineering, Optics +16

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 · 55 citations · Full text

Engineering, Electrical Engineering, Physics +17

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 · 52 citations · Full text

Engineering, Electrical Engineering, Physics +17

Non-Gaussian quantum state generation by multi-photon subtraction at the telecommunication wavelength

Mamoru Endo, Ruofan He, Tatsuki Sonoyama et al. · Optics Express · 2023 · 45 citations · Full text

Natural Sciences, Electrical Engineering, Physics +17