学位

• 教養（量子科学）(東京大学)
• ()

経歴

学歴

受賞

• 情報理論とその応用サブソサイエティ学生優秀発表賞

その他

論文

• A Python Based Toolkit for Efficient Computation of Bayesian Nagaoka-Hayashi Bound for Quantum Multiparameter Estima
• The gap persistence theorem for quantum multiparameter estimation
• A new approach to Bayesian lower bounds for quantum state estimation
• Corrigendum: Quantum state estimation with nuisance parameters (2020 J. Phys. A: Math. Theor. 53 453001) [DOI] [Othres link] [Othres link]
• Bayesian Nagaoka-Hayashi Bound for Multiparameter Quantum-State Estimation Problem [DOI] [Othres link]
• Error tradeoff relation for estimating the unitary-shift parameter of a relativistic spin-1/2 particle [DOI] [Othres link] [Othres link]
• Effect of Wigner rotation on estimating the unitary-shift parameter of a relativistic spin-1/2 particle [DOI] [Othres link] [Othres link]
• Efficient computation of the Nagaoka–Hayashi bound for multiparameter estimation with separable measurements [DOI] [Othres link] [Othres link]
• Quantum-state estimation problem via optimal design of experiments [DOI]
• Non-monotone metric on the quantum parametric model
• Efficient computation of the Nagaoka-Hayashi bound for multi-parameter estimation with separable measurements [DOI]
• Uncertainty relation for estimating the position of an electron in a uniform magnetic field from quantum estimation theory [DOI]
• Quantum state estimation with nuisance parameters [DOI]
• Direct estimation of minimum gate fidelity [DOI]
• Robust Phase Estimation of Gaussian States in the Presence of Outlier Quantum States [DOI]
• Nuisance parameter problem in quantum estimation theory: Tradeoff relation and qubit examples [DOI]
• User-specified random sampling of quantum channels and its applications
• Optimal estimation of noise asymmetry in the qubit Pauli channel via the theory of optimal design of experiments
• Quantum process tomography via optimal design of experiments
• Information Geometrical Characterization of Quantum Statistical Models in Quantum Estimation Theory
• Phase Estimation Problem in the Presence of Nuisance Parameters
• Classification and characterization of quantum parametric models in quantum estimation theory
• Entanglement detection and parameter estimation of quantum channels [DOI] [Web of Scientce]
• Explicit formula for the Holevo bound for two-parameter qubit-state estimation problem [DOI] [Web of Scientce]
• Parameter estimation of qubit states with unknown phase parameter [DOI] [Web of Scientce]
• Creation of excitations from a uniform impurity motion in the condensate [DOI] [Web of Scientce]
• Creation of excitations from subcritical velocity motion of impurity in BEC
• Symmetric coupling of four spin-1/2 systems
• Encoding many qubits in a rotor [DOI] [Web of Scientce]
• Long-lived qubit from three spin-1/2 atoms [DOI] [Web of Scientce]
• Radiation from accelerated impurities in a Bose-Einstein Condensate
• Encoding qubits in a rotor [DOI] [Web of Scientce]
• Entanglement detection from interference fringes in atom-photon systems
• Radiation from accelerated impurities in Bose-Einstein Condensates
• Entanglement detection from interference fringes in atom-photon systems
• Entanglement detection from interference fringes in atom-photon systems [DOI] [Web of Scientce]
• Encoding many qubits in a rotor [DOI]
• Encoding many qubits in a rotor [DOI] [Web of Scientce]
• Symmetric construction of reference-frame-free qudits [DOI] [Web of Scientce]
• Raw-data attacks in quantum cryptography with partial tomography [Web of Scientce]
• Individual Raw Data Attacks in the Bennett Brassard 1984 Protocol with Incomplete Tomography
• Critical Velocities for Energy Dissipation from Periodic Motions of Impurity in Bose-Einstein Condensates
• Model for entangled states with spin-spin interaction [DOI] [Web of Scientce]
• A linear chemical cycle and oscillations [Web of Scientce]

その他業績

• Role of the extended Hilbert space in the attainability of the Quantum Cramer-Rao bound for multiparameter estimation [DOI]
• QestOptPOVM: An iterative algorithm to find optimal measurements for quantum parameter estimation [DOI]
• The gap persistence theorem for quantum multiparameter estimation [DOI]
• Error trade-off relations for two-parameter unitary model with commuting generators [DOI]

講演・口頭発表等

• 量子推定理論 [Othres link]
• On Minimum D-invariant Extension of Rank-Deficient statistical models in Quantum Estimation Theory
• Bayesian Nagaoka-Hayashi Bound for Multiparameter Quantum-State Estimation Problem
• Tightness of the Nagaoka-Hayashi bound in i.i.d. qubit-state estimation
• Numerical computation of Bayesian Nagaoka-Hayashi bound for three-parameter qubit-state estimation
• Optimal POVM with minimal size in two-parameter qubit-state estimation
• Introduction to Optimal Design of Experiments (DoE) and its Applications to Quantum Estimation
• The Gap Persistence Theorem Between Nagaoka-Hayashi Bound and Holevo Bound for Quantum Multiparameter Estimation
• 最適な量子測定に基づく量子ニューラルネットワーク分類器の性能特性
• Nagaoka-Hayashi bound in multi-parameter estimation [Othres link]
• Information geometry of the qutrit system based on the Bloch vector representation
• Improvement of the performance for quantum neural networks based on optimal quantum measurement
• Phase Error Correction in OAM Qubits Encoding
• QestOptPOVM: Numerical search for finding an optimal POVM for multiparameter estimation
• Error trade-off relation for estimating momentum shift of relativistic spin-1/2 particle
• QestOptPOVM: Numerical search for finding an optimal POVM for multiparameter estimation
• On Local Attainability of Quantum Cramer-Rao Bound
• OAM 量子ビット符号化における位相誤り訂正の検討
• Nagaoka-Hayashi bound in multi-parameter estimation
• Introduction to Quantum Information Geometry and its Application to Qutrit system
• 量子3準位系における量子Fisher計量の凸結合族のBlochベクトルに基づく解析
• Optimal measurement preserving map for quantum state estimation and hypothesis testing
• Effect of Wigner rotation on estimating momentum shift of relativistic spin-1/2 particle
• Bayesian Holevo and Nagaoka-Hayashi bounds for quantum-state estimation
• Quantum Information Geometry of Weakly Contaminated Models
• Effect of Wigner rotation on estimating momentum shift of relativistic spin-1/2 particle
• Non-monotone metric on the quantum parametric model
• Efficient computation of the Nagaoka–Hayashi bound for multiparameter estimation with separable measurements [Othres link]
• Efficient computation of the Nagaoka–Hayashi bound for multiparameter estimation with separable measurements
• Error trade-off relations for two-parameter unitary model with commuting generators [Othres link]
• ロバスト統計を用いた外れ値を含むコヒーレント状態の位相推定
• Characterization of Quantum Parametric Models Based on One-Parameter Family of Quantum Fisher Metric
• Error trade-off relations for two-parameter unitary model with commuting generators
• Phase Estimation Problem in the Presence of Nuisance Parameters
• Equivalence theorem and comparison of optimal designs in qubit systems
• Parameter Estimation Problems in Quantum Systems and Optimal Design of Experiments
• Uncertainty relation from parameter estimation of the position of an electron in a uniform magnetic field
• Quantum Information Geometry of a Qubit System: Parameter Es- timation View
• Classification and characterization of quantum parametric models in quantum estimation theory
• On Simulation of Unruh Effect by Accelerating an Impurity in the Bose-Einstein Condensate
• Characterization of classical statistical model for quantum parametric model
• Phase estimation of a qubit state interacting with unknown noise parameters
• Parameter Orthogonalization Method in Quantum Parameter Estimation Problem
• Ultimate precision limit in quantum estimation theory: Explicit formula for the Holevo bound for qubit-state estimation problem
• Advances in Quantum Estimation Theory: Invitation to Quantum Information Science
• Channel-parameter estimation problem in quantum systems from optimal design of experiments
• Parameter Estimation of Quantum States from Optimal Design of Experiments
• Encoding, manipulation, and decoding of multiple qubits with orbital angular momentum of single photons
• On simulation of Unruh effect using accelerated impurities in the Bose–Einstein condensate
• Phase estimation problem in open quantum systems with nuisance parameters: An analysis on the memory effect and achievability of the quantum Cramer-Rao bound
• Ultimate precision limit in quantum estimation theory: Explicit formula for the Holevo bound for qubit-state estimation problem
• On the problem of optimal channel-parameter estimation for discrete memoryless channels
• Wave-Particle Duality from Parameter Estimation Perspective: An example of nuisance parameter problem in quantum estimation theory
• Nuisance parameter problem in quantum parameter estimation theory
• Encoding, manipulation, and decoding of multiple qubits with orbital angular momentum of single photons [Othres link]
• Encoding, manipulation, and decoding of multiple qubits with orbital angular momentum of single photons [Othres link]
• Explicit formula for the Holevo bound for two-parameter qubit estimation problems
• Nuisance parameter problem in quantum estimation theory
• Parameter estimation of quantum two-dimensional system with unknown phase
• Parameter estimation of qubit states with unknown phase parameter
• Entanglement detection from channel parameter estimation problem
• Creation of excitations from uniform impurity motion in the homogeneous condensate
• Wave-particle duality in quantum estimation theory
• Separability criterion for multi-partite systems based on SLD Fisher information [Othres link]
• 対称3量子ビット状態に対する最適な量子クローニングマシーンの数値的解析
• Qubit subalgebra from Weyl algebra of quantum angular momentum system [Othres link]
• 単一光子軌道角運動量を用いた多量子ビット演算と量子誤り訂正への応用 [Othres link]
• Quantum error correction with orbital angular momentum of single photons
• 量子通信路のノイズに関する順序と情報量に関する研究
• BECにおけるランダウの臨界速度について
• Symmetric coupling of four spin-1/2 systems
• 単一光子軌道角運動量を用いた量子ビット構成法
• Long-lived qubit from three spin-1/2 atoms
• Radiation from accelerated impurities in a Bose-Einstein condensate
• 単一光子起動角運動量を用いた多量子ビット演算法
• Robust construction of many qubits in infinite dimensional Hilbert spaces
• Entanglement detection from interference fringes in atom-photon systems
• Relations between entanglement and interference visibility from atom-photon interaction
• Properties of decoherence-free qubits under non-collective noises
• Critical Velocities for Energy Dissipation from Periodic Motions of Impurity in Bose-Einstein Condensates

書籍等出版物

• Quantum Paths: Festschrift in Honor of Berge Englert on His 60th Birthday [Amazon]
• Mathematical Horizons for Quantum Physics
• Mathematics of Quantum Computation and Quantum Technology
• Relativity in Rotating Frames

作品等

共同研究・競争的資金等の研究課題

• 量子ベイズ統計モデリング法と量子確率的コンプレキシティの開拓
• 量子情報幾何学に基づく非線形最適実験計画法における最適なデザインの探究
• 量子干渉と推定法を用いた光の波動関数を測定する方法に関する研究
• 不確定な環境系と相互作用している量子系に対する最適な量子状態推定法の開拓

メディア報道

産業財産権

所属学協会

• American Physical Society
• 電子情報通信学会

委員歴

担当経験のある科目

• インターンシップ（海外）（Ⅱ類）
• インターンシップ（海外）（Ⅱ類）
• 大学院インターンシップ（海外・長期）
• 大学院インターンシップ（海外・長期）
• 大学院インターンシップ（長期）
• 大学院インターンシップ（長期）
• 大学院インターンシップ（海外）
• 大学院インターンシップ（海外）
• 数理統計（Ｉエリア）
• 数理統計（Ｉエリア）
• インターンシップ（Ⅱ類）
• インターンシップ（Ⅱ類）
• 大学院インターンシップ
• 大学院インターンシップ
• 大学院技術英語
• 大学院技術英語
• 情報幾何学特論（夜間開講）
• 情報幾何学特論（夜間開講）
• Current Topics in Emerging Multi-interdisciplinary Engineering A
• Current Topics in Emerging Multi-interdisciplinary Engineering A
• K課程卒研輪講
• K課程卒研輪講
• 基礎演習A
• 基礎演習A
• 基礎電磁気学
• 基礎電磁気学
• 基礎演習B
• 応用数学B
• ネットワーク基礎論１
• 基礎演習B
• 基礎演習B
• 応用数学B
• 応用数学B
• 情報幾何学特論
• 基礎科学実験A
• 基礎科学実験A
• 基礎科学実験A
• 情報幾何学特論
• 情報幾何学特論
• ネットワーク基礎論１
• ネットワーク基礎論１
• 情報理論演習
• 情報理論演習
• 情報理論演習
• 情報ネットワーク学基礎１
• 情報ネットワーク学基礎１
• 情報ネットワーク学基礎１

社会貢献活動

• 電気通信大学 出張講義
• 電気通信大学 出張講義
• オープントラカレ講座
• オープントラカレ講座
• オープントラカレ講座
• オープントラカレ講座
• オープントラカレ講座
• オープントラカレ講座
• オープントラカレ講座

学術貢献活動

• Quantum
• Physical Review Research
• Physical Review B
• Photonics
• Atoms
• Physical Review Letters
• New Journal of Physics
• Quantum Reports
• Physical Review A
• Physical Review X: Quantum
• Applied Sciences
• Communications in Mathematical Physics
• Entropy
• 電子情報通信学会和文論文誌A
• Journal of Physics A
• International Journal of Adaptive Control and Signal Processing
• IEEE Transactions on Information Theory
• Europhysics Letters
• International Journal of Geometric Methods in Modern Physics
• International Journal of Modern Physics A
• International Journal of Modern Physics B
• Physica A
• International Journal of Quantum Information
• The International Symposium on Information Theory and Its Applications (ISITA) TPC
• 24th Asian Quantum Information Science Conference (AQIS) TPC
• Physics Letters A
• Quantum Science and Technology
• Physica Scripta
• 第45回情報理論とその応用シンポジウム（SITA2022）
• 2022 International Symposium on Information Theory (ISITA)
• 教務および実験・実習・実技等に関する実務・設備の管理運営
• 電子情報通信学会英文論文雑誌A SITA特集号