Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
QIT (2nd) |
2024-11-26 13:20 |
Kagawa |
Sunport Hall Takamatsu (Kagawa) |
[Poster Presentation]
Numerical Simulation Towards the Realization of XYZ Interaction Using Floquet Engineering in Superconducting Qubit Systems Aoi Fukumura, Kazuhisa Ogawa, Makoto Negoro (Osaka Univ.) |
In the context of NISQ systems, analog quantum simulation is one of the most promising applications. To realize a quantu... [more] |
|
QIT (2nd) |
2024-11-26 13:20 |
Kagawa |
Sunport Hall Takamatsu (Kagawa) |
[Poster Presentation]
The Experiment on Controlling a Superconducting Qubit via Radio over Fiber Technology Ryota Yamano, Hidehisa Shiomi, Kazuhisa Ogawa, Makoto Negoro (Osaka Univ.) |
In order to realize a large-scale superconducting quantum computer, it has been pointed out that the heat inflow through... [more] |
|
MIKA (3rd) |
2024-10-28 15:40 |
Okayama |
Okayama Convention Center (Okayama) |
[Poster Presentation]
Implementation of Microwave Delivery into a Dilution Refrigerator via Radio over Fiber Technology Ryota Yamano, Hidehisa Shiomi, Kazuhisa Ogawa, Makoto Negoro (Osaka Univ.) |
To realize large-scale superconducting quantum computers, it is necessary to address the issue of excessive heat inflow ... [more] |
|
QIT (2nd) |
2024-05-29 13:50 |
Ibaraki |
AIST Tsukuba (Ibaraki) |
Performance evaluation of the siZZle-CZ gate as two-qubit gates in frequency-fixed superconducting integrated qubit chips Kazuhisa Ogawa (Osaka Univ.), Yutaka Tabuchi (RIKEN), Makoto Negoro (Osaka Univ.) |
[more] |
|
QIT (2nd) |
2024-05-29 14:10 |
Ibaraki |
AIST Tsukuba (Ibaraki) |
Selective Excitation of a Superconducting Qubit with Combined Control lines through Pulse Shaping Ryo Matsuda (Osaka Univ.), Ohira Ryutaro, Toshi Sumida (QuEL), Hidehisa Shiomi (QIQB/QuEL), Akinori Machino (Osaka Univ./QIQB), Shinichi Morisaka (QIQB/QuEL), Keisuke Koike (e-trees.Japan), Takefumi Miyoshi (QIQB/e-trees/QuEL), Yoshinori Kurimoto, Yuuya Sugita, Yosuke Ito (QuEL), Yasunari Suzuki (NTT), Peter A. Spring, Shiyu Wang, Shuhei Tamate, Yutaka Tabuchi (RIKEN), Yasunobu Nakamura (RIKEN/UTokyo), Kazuhisa Ogawa (QIQB), Makoto Negoro (QIQB/QuEL) |
The challenge in scaling up a superconducting quantum computer is the increase in the number of microwave coaxial cables... [more] |
|
RECONF, VLD |
2024-01-29 15:05 |
Kanagawa |
AIRBIC Meeting Room 1-4 (Kanagawa, Online) (Primary: On-site, Secondary: Online) |
A Study of Low Latency Feedback Operation Architecture for Superconducting Qubit Takefumi Miyoshi (QuEL/e-trees), Keisuke Koike (e-trees), Kazuhisa Ogawa, Ryo Matsuda, Hidehisa Shiomi (Osaka Univ.), Shinichi Morisaka (Osaka Univ./QuEL), Yutaka Tabuchi (RIKEN), Makoto Negoro (Osaka Univ.) VLD2023-86 RECONF2023-89 |
[more] |
VLD2023-86 RECONF2023-89 pp.35-40 |
QIT (2nd) |
2023-12-19 10:30 |
Okinawa |
OIST (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Implementation of robustly optimized dynamical decoupling on superconducting qubits Akinori Machino (Osaka Univ./QIQB), Kazuhisa Ogawa (QIQB), Kosuke Mitarai (Osaka Univ./QIQB), Takefumi Miyoshi (QIQB/e-trees/QuEL), Hidehisa Shiomi (QIQB), Shinichi Morisaka (QIQB/QuEL), Ryo Matsuda (Osaka Univ.), Keisuke Koike (e-trees), Ryutaro Ohira, Toshi Sumida, Yoshinori Kurimoto, Yuuya Sugita, Yosuke Ito (QuEL), Yasunari Suzuki (NTT), Peter A. Spring, Shiyu Wang, Shuhei Tamate, Yutaka Tabuchi (RIKEN), Yasunobu Nakamura (RIKEN/The univ. of Tokyo), Makoto Negoro (QIQB/QuEL) |
Dynamical decoupling (DD) is one of the important techniques to protect the state of a qubit from decoherence, and plays... [more] |
|
AP (2nd) |
2022-12-08 13:40 |
Okinawa |
(Okinawa, Online) (Primary: On-site, Secondary: Online) |
Development of Superconducting Qubit Controller Hidehisa Shiomi (Osaka Univ.), Takefumi Miyoshi, Keisuke Koike (e-trees), Shinichi Morisaka (QuEL), Makoto Negoro (Osaka Univ.), Yosuke Ito (QuEL), Kazuhisa Ogawa (Osaka Univ.) |
[more] |
|
QIT (2nd) |
2021-11-30 - 2021-12-01 |
Online |
Online (Online) |
[Poster Presentation]
Analysis of the effects of the two-photon temporal distinguishability on measurement-device-independent quantum key distribution Haobo Ge, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.), Kazuhisa Ogawa (Osaka Univ.) |
Measurement-device-independent quantum key distribution (MDI-QKD) protects the receiver from attacks against the measure... [more] |
|
QIT (2nd) |
2021-12-01 09:00 |
Online |
Online (Online) |
Direct measurement of matrix elements of density-, process- and measurement-matrices using diagrammatic representation Masaya Takahashi (Hokkaido Univ.), Kazuhisa Ogawa (Osaka Univ.), Akihisa Tomita (Hokkaido Univ.) |
Quantum systems are characterized by density operators for the states, process operators for the time evolution, and POV... [more] |
|
QIT (2nd) |
2021-11-30 13:30 |
Online |
Online (Online) |
[Poster Presentation]
Analysis of the effects of the two-photon temporal distinguishability on measurement-device-independent quantum key distribution Haobo Ge, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.), Kazuhisa Ogawa (Osaka Univ.) |
[more] |
|
OCS, CS (Joint) |
2021-01-15 13:00 |
Online |
Online (Online) |
Effect of spatial resolution of compensated wave front on performance in volume hologram demultiplexer Hotaka Hayashi, Atsushi Okamoto (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Satoshi Shinada, Yuta Goto, Naoya Wada (NICT), Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) OCS2020-34 |
We are proposing volume hologram mode demultiplexer (VHDM) as a demultiplexer for mode division multiplex communication.... [more] |
OCS2020-34 pp.37-41 |
OCS, CS (Joint) |
2021-01-15 13:25 |
Online |
Online (Online) |
Experiment on joint switch of few-mode multi-core fiber using spatial light modulator Yuta Abe, Atushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.), Daiki Soma, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research, Inc.) OCS2020-35 |
In order to realize SDM transmission using few-mode multi-core fibers (FM-MCFs), a switching device adapted to spatially... [more] |
OCS2020-35 pp.42-45 |
QIT (2nd) |
2020-12-10 11:50 |
Online |
Online (Online) |
Direct measurement of ultrafast wave function of photons in the time domain Kazuhisa Ogawa, Takumi Okazaki (Hokkaido Univ.), Hirokazu Kobayashi (Kochi Univ. Tech.), Toshihiro Nakanishi (Kyoto Univ.), Akihisa Tomita (Hokkaido Univ.) |
The information encoding in the temporal mode of photons is important in quantum information processing in terms of larg... [more] |
|
QIT (2nd) |
2020-12-11 17:50 |
Online |
Online (Online) |
Formulation and experimental demonstration of complex variance of observables in pre- and post-selected systems Natsuki Abe, Kazuhisa Ogawa (Hokkaido Univ.), Hirokazu Kobayashi (Kochi Univ. of Tech.), Akihisa Tomita (Hokkaido Univ.) |
In pre- and post-selected systems, information of observables can be obtained as weak values. Weak values in pre- and po... [more] |
|
OFT, ITE-BCT, OCS, IEE-CMN [detail] |
2020-11-12 16:25 |
Online |
Online (Online) |
Wave front compensation method for output signal in volume hologram demultiplexer Hotaka Hayashi, Atsushi Okamoto (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Satoshi Shinada, Yuta Goto, Naoya Wada (NICT), Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) OCS2020-25 |
Volume Hologram mode De-Multiplexer (VHDM) using Volume Hologram (VH) is extremely cost effective because it can multipl... [more] |
OCS2020-25 pp.11-14 |
ITE-HI, IE, ITS, ITE-MMS, ITE-ME, ITE-AIT [detail] |
2020-02-28 13:00 |
Hokkaido |
Hokkaido Univ. (Hokkaido) (Cancelled but technical report was issued) |
Influence of the distance between the observation plane and the focal plane on the resolution in tomographic imaging using VPC Jiang Mengying, Atsushi Okamoto, Satosi Kawashima, Kazuhisa Ogawa, AkihisaTomita (Hokkaido Univ.) |
[more] |
|
ITE-HI, IE, ITS, ITE-MMS, ITE-ME, ITE-AIT [detail] |
2020-02-28 13:15 |
Hokkaido |
Hokkaido Univ. (Hokkaido) (Cancelled but technical report was issued) |
Numerical analysis of relationship between light utilization efficiency and modulation accuracy in complex amplitude modulation based on iterative spatial cross modulation Tomohiro Maeda, Atsushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) |
[more] |
|
QIT (2nd) |
2019-11-18 13:50 |
Tokyo |
Gakushuin University (Tokyo) |
[Poster Presentation]
Analysis of the effects of the two-photon distinguishability on decoy state measurement-device-independent quantum key distribution Haobo Ge, Akihisa Tomita, Kazuhisa Ogawa, Atsushi Okamoto (Hokkaido Univ.) |
Measurement-device-independent quantum key distribution (MDI-QKD) protects the receiver from attacks against the measure... [more] |
|
OCS, LQE, OPE |
2019-10-18 14:30 |
Kagoshima |
(Kagoshima) |
Improvement of Diffraction Efficiency of Mode Demultiplexer Using Volume Hologram at 1550 nm Taijun Shiba, Atsushi Okamoto, Hotaka Hayashi, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Yuta Goto, Satoshi Shinada, Naoya Wada (NICT) OCS2019-47 OPE2019-85 LQE2019-63 |
To realize the mode division multiplexing transmission, we have proposed a volume holographic mode de-multiplexer (VHDM)... [more] |
OCS2019-47 OPE2019-85 LQE2019-63 pp.105-108 |