155 citations · 458 across the 34 of their papers we have counts for
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All-optical measurement-device-free feedforward enabling ultra-fast quantum information processing
Taichi Yamashima, Takahiro Kashiwazaki, Takumi Suzuki +8
Optical circuit systems, unlike other systems, have the potential to perform quantum information processing (QIP) at higher clock rate than conventional processing. The approach ut…
Photonic Quantum Receiver Attaining the Helstrom Bound
Aakash Warke, Janis Nötzel, Kan Takase +6
We propose an efficient decomposition scheme for a quantum receiver that attains the Helstrom bound in the low-photon regime for discriminating binary coherent states. Our method,…
ZX Graphical Calculus for Continuous-Variable Quantum Processes
Hironari Nagayoshi, Warit Asavanant, Ryuhoh Ide +5
Continuous-variable (CV) quantum information processing is a promising candidate for large-scale fault-tolerant quantum computation. However, analysis of CV quantum process relies…
Generation of multi-photon Fock states at telecommunication wavelength using picosecond pulsed light
Tatsuki Sonoyama, Kazuma Takahashi, Tomoki Sano +9
Multi-photon Fock states have diverse applications such as optical quantum information processing. For the implementation of quantum information processing, it is desirable that Fo…
Optically-Sampled Superconducting-Nanostrip Photon-Number Resolving Detector for Non-Classical Quantum State Generation
Mamoru Endo, Kazuma Takahashi, Takefumi Nomura +11
Photon number-resolving detectors (PNRDs) are the ultimate optical sensors. Superconducting-nanostrip photon detectors (SNSPDs), traditionally known as ON-OFF detectors, have recen…
Implementing arbitrary multi-mode continuous-variable quantum gates with fixed non-Gaussian states and adaptive linear optics
Fumiya Hanamura, Warit Asavanant, Hironari Nagayoshi +5
Non-Gaussian quantum gates are essential components for optical quantum information processing. However, the efficient implementation of practically important multi-mode higher-ord…