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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| QIT (2nd) |
2023-12-19 11:15 |
Okinawa | OIST (Primary: On-site, Secondary: Online) |
Unification and Improvement of Quantum Error Mitigation Methods via Generalized Quantum Subspace Expansion Shigeo Hakkaku (NTT), Nobuyuki Yoshioka (UTokyo), Yuuki Tokunaga, Suguru Endo (NTT) |
Numerous quantum error mitigation methods are proposed to make the most of noisy quantum devices that lack the capabilit... [more] | |
| QIT (2nd) |
2023-05-29 15:15 |
Kyoto | Katsura Campus, Kyoto University | Exponentially tighter cost bound of quantum error mitigation in scrambling quantum circuits Kento Tsubouchi, Takahiro Sagawa, Nobuyuki Yoshioka (UTokyo) |
In this work, we provide a unified way to analyze the sample complexity of various quantum error mitigation methods usin... [more] | |
| QIT (2nd) |
2023-05-30 11:00 |
Kyoto | Katsura Campus, Kyoto University | Efficient measurement in quantum subspace expansion. Yuma Nakamura (IBM Japan), Yoshichika Yano, Nobuyuki Yoshioka (UTokyo) |
Estimation of physical observables for unknown quantum states is an important problem that underlies a wide range of fie... [more] | |
| QIT (2nd) |
2022-12-08 18:00 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
Quantum subspace expansion based on fermionic shadow tomography for k-RDM estimation Nayuta Takemori (Osaka Univ.), Nobuyuki Yoshioka (Tokyo Univ.), Wataru Mizukami (Osaka Univ.) |
The reduced density matrix in quantum many-body systems is extremely useful in elaborating physical properties, as it co... [more] | |
| QIT (2nd) |
2022-12-09 12:30 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
Universal cost bound of quantum error mitigation based on quantum estimation theory Kento Tsubouchi, Takahiro Sagawa, Nobuyuki Yoshioka (UTokyo) |
In this work, we provide a unified way to analyze the cost of various quantum error mitigation methods using the quantum... [more] | |
| QIT (2nd) |
2022-05-31 13:50 |
Online | Online | Estimation of noiseless expectation value by quantum state tomography with generative model Ryo Maekura (Tokyo Univ.), Yasunari Suzuki (NTT), Nobuyuki Yoshioka (Tokyo Univ.), Yuki Tokunaga (NTT) |
To obtain reliable computational results with noisy quantum computers, we need to suppress computational errors stemming... [more] | |
| SIP, IT, RCS | 2018-01-23 10:30 |
Kagawa | Sunport Hall Takamatsu | Lattice Codes for Strong Interference Channel via Rate-Splitting Approach Yuki Yoshioka, Hideki Yagi (Univ. of Electro-Comm.)  IT2017-90 SIP2017-98 RCS2017-304 |
[more] | IT2017-90 SIP2017-98 RCS2017-304 pp.207-212 |
| LQE, CPM, EMD, OPE, R | 2012-08-23 16:05 |
Miyagi | Tohoku Univ. | Development of broadband quantum-dot optical gain device with InAs/InGaAs quantum-dot structure Yuki Yoshioka (Tokyo Denki Univ), Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi (NICT), Hideyuki Sotobayashi (Aoyama Gakuin Univ), Hiroshi Takai (Tokyo Denki Univ) R2012-31 EMD2012-37 CPM2012-62 OPE2012-69 LQE2012-35 |
Significant expansion and effective use of optical frequency resources are expected to be an important technology for fu... [more] | R2012-31 EMD2012-37 CPM2012-62 OPE2012-69 LQE2012-35 pp.51-56 |
| OFT | 2012-05-24 16:55 |
Gifu | Hida, Earth Wisdom Center | Evaluation of the O-band transmission system by using quantum dot laser and holey fiber Yasuaki Kurata, Yu Omigawa, Takuya Irago, Hideyuki Sotobayashi (Aoyama Gakuin Univ.), Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi (NICT), Yuki Yoshioka, Hiroshi Takai (TDU) OFT2012-6 |
To expand the usable wavelength bandwidth for optical communications, we have focused on a use of a 1.3-μm wavelength ba... [more] | OFT2012-6 pp.27-30 |
| EMT, PN, LQE, OPE, MWP, EST, IEE-EMT [detail] | 2012-01-26 10:20 |
Osaka | Osaka Univ. Convention Center | Development of half-cladding semiconductor laser structure for light-wave transmission near the surface field Daisuke Murakami, Shinji Yasuda, Yuki Yoshioka (TDU), Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi (NICT), Hiroshi Takai (TDU) PN2011-46 OPE2011-162 LQE2011-148 EST2011-96 MWP2011-64 |
A control of the light-wave properties is critical issue in developing attractive photonic devices. We have focused on g... [more] | PN2011-46 OPE2011-162 LQE2011-148 EST2011-96 MWP2011-64 pp.91-94 |
| OPE, MW, MWP, EMT, EST, IEE-EMT [detail] | 2011-07-21 14:05 |
Hokkaido | Development of external-cavity type wavelength-tunable light source with broadband quantum dots optical gain for T-and O-bands Yuki Yoshioka (TDU), Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi (NICT), Hiroshi Takai (TDU) MW2011-46 OPE2011-33 EST2011-32 MWP2011-14 |
Significant expansion and effective use of optical frequency resources are believed to be an important technology for fu... [more] | MW2011-46 OPE2011-33 EST2011-32 MWP2011-14 pp.51-55 |
|
| RECONF | 2010-09-16 15:25 |
Shizuoka | Shizuoka University (Faculty of Eng., Hall 2) | Evaluation of Multiple-Precision Floating-Point Accelerator HP-DSFP through Applications. Yuki Yoshioka, Tomoyuki Kawamoto, Taiga Ban, Kazuya Tanigawa, Tetsuo Hironaka (HCU) RECONF2010-25 |
In recent years, many kinds of scientific application programs, such as Fluid analysis, Feynman loop integrals and conju... [more] | RECONF2010-25 pp.43-48 |
| RECONF | 2009-09-18 15:00 |
Tochigi | Utsunomiya Univ. | A study of an Implementation Method of a Mathematical Function in Reconfigurable Accelerator with High-Precision Floating Point Arithmetic Yuki Yoshioka, Tomoyuki Kawamoto, Taiga Ban, Kazuya Tanigawa, Tetsuo Hironaka (Hiroshima City Univ) RECONF2009-39 |
In recent years, many kinds of scientific application programs require high-precision floating-point operations. For i... [more] |
RECONF2009-39 pp.119-124 |
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