Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Shunya Konno"'
Autor:
Atsushi Sakaguchi, Shunya Konno, Fumiya Hanamura, Warit Asavanant, Kan Takase, Hisashi Ogawa, Petr Marek, Radim Filip, Jun-ichi Yoshikawa, Elanor Huntington, Hidehiro Yonezawa, Akira Furusawa
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-8 (2023)
Abstract Measurement-based quantum computation with optical time-domain multiplexing is a promising method to realize a quantum computer from the viewpoint of scalability. Fault tolerance and universality are also realizable by preparing appropriate
Externí odkaz:
https://doaj.org/article/378c0de2eef24f26b4b0d203b0c3c8f9
Autor:
Shunya Konno, Warit Asavanant, Kosuke Fukui, Atsushi Sakaguchi, Fumiya Hanamura, Petr Marek, Radim Filip, Jun-ichi Yoshikawa, Akira Furusawa
Publikováno v:
Physical Review Research, Vol 3, Iss 4, p 043026 (2021)
In a continuous-variable optical system, the Gottesman-Kitaev-Preskill (GKP) qubit is a promising candidate for fault-tolerant quantum computation. To implement non-Clifford operations on GKP qubits, non-Gaussian operations are required. In this cont
Externí odkaz:
https://doaj.org/article/90a46f93f8ff49b9b3991816cd8c727d
Autor:
Shunya Konno1, Warit Asavanant1,2 warit@alice.t.u-tokyo.ac.jp, Fumiya Hanamura1, Hironari Nagayoshi1, Kosuke Fukui1, Atsushi Sakaguchi3, Ryuhoh Ide1, Fumihiro China4, Masahiro Yabuno4, Shigehito Miki4,5, Hirotaka Terai4, Kan Takase1,2, Mamoru Endo1,2, Marek, Petr6, Filip, Radim6, van Loock, Peter7, Akira Furusawa1,2 akiraf@ap.t.u-tokyo.ac.jp
Publikováno v:
Science. 1/19/2024, Vol. 383 Issue 6680, p289-293. 5p. 3 Diagrams.
Autor:
Kosuke Fukui, Warit Asavanant, Jun-ichi Yoshikawa, Fumiya Hanamura, Atsushi Sakaguchi, Radim Filip, Petr Marek, Akira Furusawa, Shunya Konno
Publikováno v:
Physical Review Research. 3
In a continuous-variable optical system, the Gottesman-Kitaev-Preskill (GKP) qubit is a promising candidate for fault-tolerant quantum computation. To implement non-Clifford operations on GKP qubits, non-Gaussian operations are required. In this cont
Autor:
Akira Furusawa, Fumiya Hanamura, Petr Marek, Shunya Konno, Jun-ichi Yoshikawa, Kosuke Fukui, Radim Filip, Atsushi Sakaguchi, Warit Asavanant
Publikováno v:
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
Achieving a fault-tolerant universal quantum computer with an optical system is one of the goals of quantum optics. For that purpose, the most promising candidate is the Gottesman-Kitaev-Preskill (GKP) encoding of qubits in the continuous-variable sy
Autor:
Radim Filip, Petr Marek, Jun-ichi Yoshikawa, Akira Furusawa, Atsushi Sakaguchi, H. Ogawa, Shunya Konno, Masaya Kobayashi, Warit Asavanant
Publikováno v:
Physical Review Applied. 15
Quantum non-Gaussian gate is a missing piece to the realization of continuous-variable universal quantum operations in the optical system. In a measurement-based implementation of the cubic phase gate, a lowest-order non-Gaussian gate, non-Gaussian a
Publikováno v:
Frontiers in Optics + Laser Science 2021.
We analyse estimation and error correction of Gaussian random displacement using experimentally feasible non-Gaussian states. We show that even simple states such as single-photon state is superior to Gaussian states in both settings.
In continuous-variable quantum information processing, quantum error correction of Gaussian errors requires simultaneous estimation of both quadrature components of displacements on phase space. However, quadrature operators $x$ and $p$ are non-commu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a0f72bedee84dcdefebffe3a2357a05a
Autor:
Atsushi Sakguchi, Shunya Konno, Fumiya Hanamura, Hisashi Ogawa, Kan Takase, Warit Asavanant, Petr Marek, Radim Filip, Jun-ichi Yoshikawa, Hidehiro Yonezawa, Elanor Huntington, Akira Furusawa
Publikováno v:
Frontiers in Optics + Laser Science 2021.
We demonstrate nonlinear feedforward combined with non-Gaussian ancillae localized in time, which realizes nonlinear quadrature measurement. Our technology in principle enables fault-tolerant universal quantum computation by improving prepared ancill
Autor:
'Shunya Konno
Publikováno v:
Warit Asavanant