155 citations · 193 across the 11 of their papers we have counts for
11 papers
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-…
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…
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…
Real-time observation of picosecond-timescale optical quantum entanglement toward ultrafast quantum information processing
Akito Kawasaki, Hector Brunel, Ryuhoh Ide +10
Entanglement is a fundamental resource of various optical quantum-information-processing (QIP) applications. Towards high-speed QIP system, entanglement should be encoded in short…
High-rate Generation and State Tomography of Non-Gaussian Quantum States for Ultra-fast Clock Frequency Quantum Processors
Akito Kawasaki, Ryuhoh Ide, Hector Brunel +16
Quantum information processors greatly benefit from high clock frequency to fully harnessing the quantum advantages before they get washed out by the decoherence. In this pursuit,…
24-hour measurement of squeezed light using automated stable fiber system
Tomohiro Nakamura, Takefumi Nomura, Mamoru Endo +8
In order to provide a cloud service of optical quantum computing, it is inevitable to stabilize the optical system for many hours. It is advantageous to construct a fiber-based sys…
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…
Extending the PZT bandwidth of an optical interferometer by suppressing resonance using a high dimensional IIR filter implemented on an FPGA
Masanori Okada, Takahiro Serikawa, James Dannatt +4
This paper considers the application of FPGA-based IIR filtering to increase the usable bandwidth of a piezoelectric transducer used in optical phase locking. We experimentally per…