Zobrazeno 1 - 10
of 358
pro vyhledávání: '"Akira Furusawa"'
Autor:
Beate E. Asenbeck, Akito Kawasaki, Ambroise Boyer, Tom Darras, Alban Urvoy, Akira Furusawa, Julien Laurat
Publikováno v:
PRX Quantum, Vol 5, Iss 3, p 030331 (2024)
Optical quantum information processing relies critically on Bell-state measurement, a ubiquitous operation for quantum communication and computing. Its practical realization involves the interference of optical modes and the detection of a single pho
Externí odkaz:
https://doaj.org/article/ccaddfc0222d4c69a1862768b6f0c6a0
Autor:
Kan Takase, Kosuke Fukui, Akito Kawasaki, Warit Asavanant, Mamoru Endo, Jun-ichi Yoshikawa, Peter van Loock, Akira Furusawa
Publikováno v:
npj Quantum Information, Vol 9, Iss 1, Pp 1-11 (2023)
Abstract Practical quantum computing requires robust encoding of logical qubits in physical systems to protect fragile quantum information. Currently, the lack of scalability limits the logical encoding in most physical systems, and thus the high sca
Externí odkaz:
https://doaj.org/article/c269547c3a1a4b5fb8b7e900c9028ee0
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:
Kenji Tsuji, Tomohiro Ishikawa, Kentaro Komori, Koji Nagano, Yutaro Enomoto, Yuta Michimura, Kurumi Umemura, Ryuma Shimizu, Bin Wu, Shoki Iwaguchi, Yuki Kawasaki, Akira Furusawa, Seiji Kawamura
Publikováno v:
Galaxies, Vol 11, Iss 6, p 111 (2023)
Quantum locking using optical spring and homodyne detection has been devised to reduce the quantum noise that limits the sensitivity of the DECIGO, a space-based gravitational-wave antenna in the frequency band around 0.1 Hz for the detection of prim
Externí odkaz:
https://doaj.org/article/302f65cfc3d3425f9424bf8a8d6c0786
Autor:
Tatsuki Sonoyama, Kazuma Takahashi, Baramee Charoensombutamon, Sachiko Takasu, Kaori Hattori, Daiji Fukuda, Kosuke Fukui, Kan Takase, Warit Asavanant, Jun-ichi Yoshikawa, Mamoru Endo, Akira Furusawa
Publikováno v:
Physical Review Research, Vol 5, Iss 3, p 033156 (2023)
Non-Gaussian states of light, which are essential in fault-tolerant and universal optical quantum computation, are typically generated by a heralding scheme using photon detectors. Recently, it has been theoretically shown that the large timing jitte
Externí odkaz:
https://doaj.org/article/42144b8594fe4d2183aae20c20b4613d
Autor:
Takahiro Kashiwazaki, Naoto Takanashi, Taichi Yamashima, Takushi Kazama, Koji Enbutsu, Ryoichi Kasahara, Takeshi Umeki, Akira Furusawa
Publikováno v:
APL Photonics, Vol 5, Iss 3, Pp 036104-036104-7 (2020)
Terahertz (THz)-bandwidth continuous-wave (CW) squeezed light is essential for integrating quantum processors with time-domain multiplexing (TDM) by using optical delay line interferometers. Here, we utilize a single-pass optical parametric amplifi
Externí odkaz:
https://doaj.org/article/9e7fcfb3cd134520a53d194da0bea9f6
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:
Masayuki Nakamura, Yuino Yasukawa, Akira Furusawa, Tamao Fuchiwaki, Takashi Honda, Yuta Okamura, Kiyotaka Fujita, Hisashi Iwai
Publikováno v:
PLoS ONE, Vol 13, Iss 8, p e0201982 (2018)
In this study, we clarified the functions of three uncharacterized enzymes, XCV2724, XCV2728, and XCV2729, in Xanthomonas euvesicatoria, the causal agent of bacterial spot of tomato and pepper. The genes corresponding to the three enzymes are homolog
Externí odkaz:
https://doaj.org/article/a8d517a326304fcb8b29a882487020f2
Autor:
Jun-ichi Yoshikawa, Shota Yokoyama, Toshiyuki Kaji, Chanond Sornphiphatphong, Yu Shiozawa, Kenzo Makino, Akira Furusawa
Publikováno v:
APL Photonics, Vol 1, Iss 6, Pp 060801-060801-11 (2016)
In recent quantum optical continuous-variable experiments, the number of fully inseparable light modes has drastically increased by introducing a multiplexing scheme either in the time domain or in the frequency domain. Here, modifying the time-domai
Externí odkaz:
https://doaj.org/article/42b8605ec98549c5b1e5fc90fb172169
Publikováno v:
Physical Review X, Vol 3, Iss 4, p 041028 (2013)
Highly nonclassical quantum states of light, characterized by Wigner functions with negative values, have been all-optically created so far only in a heralded fashion. In this case, the desired output emerges rarely and randomly from a quantum-state
Externí odkaz:
https://doaj.org/article/3f05e15a30bf4f12934e072c6ccb9710