| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
QIT
(2nd) |
2020-12-11
17:50 |
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] |
|
QIT
(2nd) |
2019-05-20
13:20 |
Fukuoka |
Kyushu University, Chikushi Campus |
[Poster Presentation]
Variance of observables and its uncertainty relation in pre- and post-selected systems
Natsuki Abe, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) |
A pre- and post-selected system has a complex characteristic value called weak value. The weak value in a pre- and post-... [more] |
|
QIT
(2nd) |
2017-05-30
13:30 |
Kyoto |
Ritesumeikan University, Suzaku Campus |
Negation of dissipation by negative weak value
Kazuhiro Yokota, Nobuyuki Imoto (Osaka Univ.) |
We propose a usage of weak value for a quantum processing between pre-selection and post-selection. While the weak value... [more] |
|
QIT
(2nd) |
2017-05-30
16:30 |
Kyoto |
Ritesumeikan University, Suzaku Campus |
Control of Optical Propagation Distance by Post-selection
Hirokazu Kobayashi (Kochi Univ. Tech.), Yutaka Shikano (RCAST, UT/Chapman Univ.) |
In the field of optical imaging and optical measurement, it is important to observe variation of optcal field along prop... [more] |
|
QIT
(2nd) |
2016-11-24
16:00 |
Ibaraki |
KEK Kobayashi-hall |
Understanding weak values without new physics
Riuji Mochizuki (TDC) |
The physical meaning of weak values and measurements can be completely understood within the framework of a conventional... [more] |
|
QIT
(2nd) |
2014-11-17
13:30 |
Miyagi |
Tohoku Univ. |
[Poster Presentation]
The interference effect in the weak measurement and weak value amplification.
Yuki Susa (Tokyo Tech) |
The weak measurement with the post-selection on the measured system, can extract the weak value when the interaction be... [more] |
|
QIT
(2nd) |
2013-11-19
10:00 |
Tokyo |
Waseda Univ. |
Direct mapping of Poincare sphere using weak measurement with optical vortex
Hirokazu Kobayashi (KUT), Yutaka Shikano (IMS) |
We propose a method to directly determine a two-dimensional quantum state using the weak measurement with the Laguerre G... [more] |
|
QIT
(2nd) |
2013-11-19
10:20 |
Tokyo |
Waseda Univ. |
Exact Analysis of Weak Value Amplification for Single-Photon-Level Nonlinearity
Fumiaki Matsuoka, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.) |
We analyzed a weak value amplification of single photon nonlinearity exactly. Since the cross-phase modulation (XPM) bet... [more] |
|
QIT
(2nd) |
2013-11-18
- 2013-11-19 |
Tokyo |
Waseda Univ. |
[Poster Presentation]
Improving precision measurement with the sequential weak measurement
Tatsuya Morita, Jaeha Lee (Univ. of Tokyo), Izumi Tsutsui (KEK) |
Weak measurement has emerged as a method to amplify the signal from quantum systems for ultrasensitive measurements. Usi... [more] |
|
QIT
(2nd) |
2013-05-27
11:00 |
Hokkaido |
Hokkaido Univ. |
Improvement of Success Probability by Squeezed Light in Weak Value Amplification for Single-Photon-Level Nonlinearity
Fumiaki Matsuoka, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.) |
We propose use of a squeezed coherent light probe to improve the success probability of weak value amplification of sing... [more] |
|
QIT
(2nd) |
2013-05-27
12:00 |
Hokkaido |
Hokkaido Univ. |
Rigorous Treatment of the Weak Measurement from the Perspective of Uncertainty and Amplification
Jaeha Lee (Univ. of Tokyo), Izumi Tsutsui (KEK) |
The extended physical quantity in quantum mechanics called Weak Value (WV) has gained a renewed interest in recent years... [more] |
|
QIT
(2nd) |
2012-05-21
17:00 |
Fukui |
Fukui Univ. |
Analysis of quantum teleportation using weak measurement statistics
Masanori Hiroishi, Holger F. Hofmann (Hiroshima Univ.) |
We use the quantum statistics of weak measurements to analyse the quantum teleportation process. The joint state of inpu... [more] |
|
QIT
(2nd) |
2011-11-21
17:20 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
On Amplification by Weak Measurement
Tatsuhiko Koike, Saki Tanaka (Keio Univ) |
The amplification by a weak quantum measurement proposed by Aharonov, Albert, and Vaidman is
studied in the case o... [more] |
|
QIT
(2nd) |
2011-11-21
14:40 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
[Poster Presentation]
Optimal enhancement by weak mesurement
Yuki Susa, Yutaka Shikano, Akio Hosoya (Tokyo Tech) |
The ``weak measurement" proposed by Aharonov and his colleagues extracts information of a physical quantity of the syste... [more] |
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