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Author

Takahiro Kashiwazaki

Observed names: Kashiwazaki, Takahiro, T. Kashiwazaki
Institution: NTT (Japan)
ORCID: 0000-0002-4601-047X
Observed ORCID: 0000-0002-4601-047X
OpenAlex ID: A5044557297
Continuous-wave 6-dB-squeezed light with 2.5-THz-bandwidth from single-mode PPLN waveguide
2020 · Takahiro Kashiwazaki, Naoto Takanashi, et al. · APL Photonics · 151
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Fabrication of low-loss quasi-single-mode PPLN waveguide and its application to a modularized broadband high-level squeezer
2021 · Takahiro Kashiwazaki, Taichi Yamashima, et al. · Applied Physics Letters · 108
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Over-8-dB squeezed light generation by a broadband waveguide optical parametric amplifier toward fault-tolerant ultra-fast quantum computers
2023 · Takahiro Kashiwazaki, Taichi Yamashima, et al. · Applied Physics Letters · 76
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Over-30-dB gain and 1-dB noise figure phase-sensitive amplification using a pump-combiner-integrated fiber I/O PPLN module
2021 · Takushi Kazama, Takeshi Umeki, et al. · Optics Express · 61
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
2023 · A. Inoue, T. Kashiwazaki, et al. · Applied Physics Letters · 60
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All-optical phase-sensitive detection for ultra-fast quantum computation
2020 · Naoto Takanashi, Asuka Inoue, et al. · Optics Express · 58
Non-Gaussian quantum state generation by multi-photon subtraction at the telecommunication wavelength
2023 · Mamoru Endo, Ruofan He, et al. · Optics Express · 57
PPLN-Based Optical Parametric Amplification for Wideband WDM Transmission
2022 · Shimpei Shimizu, Takayuki Kobayashi, et al. · Journal of Lightwave Technology · 46
Generation of Schrödinger cat states with Wigner negativity using a continuous-wave low-loss waveguide optical parametric amplifier
2022 · Kan Takase, Akito Kawasaki, et al. · Optics Express · 34
Broadband generation and tomography of non-Gaussian states for ultra-fast optical quantum processors
2024 · Akito Kawasaki, Ryuhoh Ide, et al. · Nature Communications · 33
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Real-time observation of picosecond-timescale optical quantum entanglement towards ultrafast quantum information processing
2025 · Akito Kawasaki, Hector Brunel, et al. · Nature Photonics · 29
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Four-photon subtraction from picosecond squeezed vacuum demonstrating Wigner negativity without loss correction
2026 · Mamoru Endo, Takefumi Nomura, et al. · Physical Review A · 27
4-dB Quadrature Squeezing With Fiber-Coupled PPLN Ridge Waveguide Module
2020 · Naoto Takanashi, Takahiro Kashiwazaki, et al. · IEEE Journal of Quantum Electronics · 24
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Quantum arbitrary waveform generator
2022 · Kan Takase, Akito Kawasaki, et al. · Science Advances · 21
L- and U-Band WDM Transmission Over 6 THz Using PPLN-Based Optical Parametric Amplification and Wavelength-Band Conversion
2023 · Shimpei Shimizu, Takayuki Kobayashi, et al. · Journal of Lightwave Technology · 20
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27-THz ISRS-Supported Transmission Over 1040 km in S+C+L+U and Extreme Longer-Wavelength Band
2025 · Shimpei Shimizu, Kosuke Kimura, et al. · Optical Fiber Communication Conference · 15
Boosting the generation rate of squeezed single-photon states by generalized photon subtraction
2024 · Hiroko Tomoda, Akihiro Machinaga, et al. · Physical Review A · 15
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Over-30-dB phase-sensitive amplification using a fiber-pigtailed PPLN waveguide module
2019 · Takahiro Kashiwazaki, Koji Enbutsu, et al. · Nonlinear Optics · 15
All-optical measurement-device-free feedforward enabling ultra-fast quantum information processing
2025 · Taichi Yamashima, Takahiro Kashiwazaki, et al. · Optics Express · 13
A full-stack analog optical quantum computing platform with one hundred inputs
2025 · Yokoyama, Shota, Sakaguchi, Atsushi, et al. · arXiv (Cornell University) · 12
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Hybrid Lumped Repeater Using PPLN-Based High-Gain Optical Parametric Phase Conjugators and EDFAs for C+L-Band Transmission
2024 · Shimpei Shimizu, Takayuki Kobayashi, et al. · Journal of Lightwave Technology · 11
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Generation of 12 dB squeezed light from a waveguide optical parametric amplifier using a machine-learning-controlled spatial light modulator
2026 · Ha, Gyeongmin, Hirota, Kazuki, et al. · arXiv (Cornell University) · 8
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Generation of 10-dB squeezed light from a broadband waveguide optical parametric amplifier with improved phase locking method
2026 · Kazuki Hirota, Takahiro Kashiwazaki, et al. · Optics Express · 8
Sequential and Programmable Squeezing Gates for Optical Non-Gaussian Input States
2025 · Takato Yoshida, Daichi Okuno, et al. · PRX Quantum · 8
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Wideband Optical Parametric Amplification of 8.375-THz WDM Signal Using Cascaded PPLN Waveguides With Reused Pump Light
2023 · Shimpei Shimizu, Takayuki Kobayashi, et al. · Journal of Lightwave Technology · 8
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Works count: 106
Citation count: 1,009
H-index: 15
I10-index: 21
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