| Paper Abstract and Keywords |
| Presentation |
2017-05-29 15:00
[Poster Presentation]
Adaptive quantum state estimation for dynamic quantum states
Saki Nohara, Ryo Okamoto (Kyoto Univ.), Akio Fujiwara (Osaka Univ.), Shigeki Takeuchi (Kyoto Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
For the development of quantum information technology, it is essential to provide a method to efficiently estimate the quantum state (parameter). However, the optimal measurement for estimating an unknown parameter depends on the parameter itself. In order to solve this problem, Nagaoka advocated an adaptive quantum state estimation (AQSE) procedure, where the measurement basis states are adaptively selected for each measurement result. Fujiwara proved the strong consistency and asymptotic efficiency for AQSE. However, AQSE was designed for a static quantum state, and was not applicable to dynamic states where quantum states change in time. Here, we propose a new protocol, sequential adaptive quantum state estimation for quantum states changing in time, and confirm its validity by numerical simulation. We believe this new protocol will open up the use of quantum state estimation for various applications including biology, e.g. monitoring the motion of fluorescent molecules. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
optical phase measurement / adaptive quantum state estimation / / / / / / |
| Reference Info. |
IEICE Tech. Rep. |
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| Conference Information |
| Committee |
QIT |
| Conference Date |
2017-05-29 - 2017-05-30 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Ritesumeikan University, Suzaku Campus |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Quantum Information |
| Paper Information |
| Registration To |
QIT |
| Conference Code |
2017-05-QIT |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
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(See Japanese page) |
| Title (in English) |
Adaptive quantum state estimation for dynamic quantum states |
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optical phase measurement |
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adaptive quantum state estimation |
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| 1st Author's Name |
Saki Nohara |
| 1st Author's Affiliation |
Kyoto University (Kyoto Univ.) |
| 2nd Author's Name |
Ryo Okamoto |
| 2nd Author's Affiliation |
Kyoto University (Kyoto Univ.) |
| 3rd Author's Name |
Akio Fujiwara |
| 3rd Author's Affiliation |
Osaka University (Osaka Univ.) |
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Shigeki Takeuchi |
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Kyoto University (Kyoto Univ.) |
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| Date Time |
2017-05-29 15:00:00 |
| Presentation Time |
90 minutes |
| Registration for |
QIT |
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