activity
20232026
most citedA hybrid atom tweezer array of nuclear spin and optical clock qubits

15 citations · 25 across the 10 of their papers we have counts for

collaborators

10 papers

quant-ph2026

Quantifying the Dual-isotope Advantage for Ytterbium-array Surface Codes using Realistic Noise Models

Fumiyoshi Kobayashi, Toshi Kusano, Nicholas Fazio +1

Neutral-atom quantum computers are a promising platform for fault-tolerant quantum computation, but logical performance depends on systemic realistic noise factors during syndrome…

physics.atom-ph2026

Minimally Destructive Fast Imaging of Single Atoms in an Optical Tweezer Array with Coherent Excitation

Rei Yokoyama, Takumi Kashimoto, Kosuke Shibata +8

Ultracold neutral atoms in an optical lattice and an optical tweezer array offer highly-controllable quantum many-body systems, utilized for various quantum science and technology…

quant-ph2026

Auger Spectroscopy via Generative Quantum Eigensolver: A Quantum Approach to Molecular Excitations

Kimberlee Keithley, Shunsuke Yamamoto, Ryota Kenmoku +16

Auger electron spectroscopy, a way of characterizing electronic structure through core-level decay processes, is widely used in materials characterization; however direct calculati…

quant-ph2026

Spin-Cat Qubit with Biased Noise in an Optical Tweezer Array

Toshi Kusano, Kosuke Shibata, Chih-Han Yeh +8

Bias-tailored quantum error correcting codes (QECCs) offer a higher error threshold than standard QECCs and have the potential to achieve lower logical errors with less space overh…

math.DS2026

Ensemble Reservoir Computing for Physical Systems

Yuma Nakamura, Tomoyuki Kubota, Yusuke Imai +3

Physical computing exploits unconventional physical substrates to overcome limitations such as the high energy consumption inherent in digital computation. However, intrinsic noise…

quant-ph2025★ 3 cited

El Agente Cuantico: Automating quantum simulations

Ignacio Gustin, Luis Mantilla Calderón, Juan B. Pérez-Sánchez +8

Quantum simulation is central to understanding and designing quantum systems across physics and chemistry. Yet it has barriers to access from both computational complexity and comp…

quant-ph2025★ 5 cited

Plane-selective manipulations of nuclear spin qubits in a three-dimensional optical tweezer array

Toshi Kusano, Yuma Nakamura, Rei Yokoyama +5

One of the central challenges for a practical fault-tolerant quantum computer is scalability. A three-dimensional structure of optical tweezer arrays offers the potential for scali…

physics.atom-ph2024

Development of a high-power ultraviolet laser system and observation of fast coherent Rydberg excitation of ytterbium

Yuma Nakamura, Naoya Ozawa, Toshi Kusano +5

We present the development of a high-power ultraviolet laser system operating at a wavelength of 325 nm for Rydberg excitation from the state of ytterbium. Utili…

quant-ph2024★ 15 cited

A hybrid atom tweezer array of nuclear spin and optical clock qubits

Yuma Nakamura, Toshi Kusano, Rei Yokoyama +6

While data qubits with a long coherence time are essential for the storage of quantum information, ancilla qubits are pivotal in quantum error correction (QEC) for fault-tolerant q…

quant-ph2023★ 2 cited

Adaptive measurement strategy for quantum subspace methods

Yuma Nakamura, Yoshichika Yano, Nobuyuki Yoshioka

Estimation of physical observables for unknown quantum states is an important problem that underlies a wide range of fields, including quantum information processing, quantum physi…