155 citations · 194 across the 11 of their papers we have counts for
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All-optical Implementation of Generalized Quantum Teleportation
Takaya Hoshi, Akito Kawasaki, Xiruo Yan +7
Measurement-based continuous-variable optical quantum computing inherently offers high-speed, large-scale operations, yet its practical performance remains constrained by the proce…
Experimental implementation of continuous-variable QAOA on a quad-rail lattice cluster state
Shota Yokoyama, Atsushi Sakaguchi, Jun-ichi Yoshikawa +6
We experimentally demonstrate the continuous-variable quantum approximate optimization algorithm (CV-QAOA) for multi-variable problems and multiple QAOA depths using a measurement-…
Ultrafast all-optical quantum teleportation
Takumi Suzuki, Takaya Hoshi, Akito Kawasaki +13
Light's intrinsic carrier frequency of hundreds of terahertz theoretically enables information processing at terahertz clock rates. In optical quantum computing, continuous-variabl…
Beyond Stellar Rank: Control Parameters for Scalable Optical Non-Gaussian State Generation
Fumiya Hanamura, Kan Takase, Hironari Nagayoshi +6
Advanced quantum technologies rely on non-Gaussian states of light, essential for universal quantum computation, fault-tolerant error correction, and quantum sensing. Their practic…
Configuration design of multimode Gaussian operations on continuous-variable quad-rail lattice cluster states
Jun-ichi Yoshikawa, Warit Asavanant, Hironari Nagayoshi +4
Continuous-variable quad-rail lattice cluster states enable flexible quantum circuit design on their two-dimensional structure. However, how to combine basic operations on the quad…
A full-stack analog optical quantum computing platform with one hundred inputs
Shota Yokoyama, Atsushi Sakaguchi, Warit Asavanant +11
Optical technology is a highly promising platform for quantum computing due to its enormous potential for large-scale, ultrafast computation. However, realizing a programmable and…
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…
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…
Generation of Flying Logical Qubits using Generalized Photon Subtraction with Adaptive Gaussian Operations
Kan Takase, Fumiya Hanamura, Hironari Nagayoshi +6
The generation of a logical qubit called the Gottesman-Kitaev-Preskill qubit in an optical traveling wave is a major challenge for realizing large-scale universal fault-tolerant op…
Propagating Gottesman-Kitaev-Preskill states encoded in an optical oscillator
Shunya Konno, Warit Asavanant, Fumiya Hanamura +14
A quantum computer with low-error, high-speed quantum operations and capability for interconnections is required for useful quantum computations. A logical qubit called Gottesman-K…