| Paper Abstract and Keywords |
| Presentation |
2017-05-30 16:30
Control of Optical Propagation Distance by Post-selection
Hirokazu Kobayashi (Kochi Univ. Tech.), Yutaka Shikano (RCAST, UT/Chapman Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
In the field of optical imaging and optical measurement, it is important to observe variation of optcal field along propagation direction. However, to implement the measurement, optical components or measurement apparatus have to be mechanically moved, in some cases, over a long distance. In this study, we propose and exper- imentally confirm new method to displace the optical wave packet along its propagation direction without changing apparatus position. Our method is based on “ weak measurement ” scheme, in which the polarization state and the wavepackaet position along propagation direction are weakly interacted followed by post-selection of the polar- ization state. The important point is that small back-and-forth shift of interaction can induce tens of times larger displacement of wave packet along propagation direction. By using our method, three-dimensional measurement of intensity distribution or image refocusing can be compactly implemented without mechanical movement. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
post-selection / weak measurement / paraxial beam / / / / / |
| 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) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Control of Optical Propagation Distance by Post-selection |
| Sub Title (in English) |
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| Keyword(1) |
post-selection |
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weak measurement |
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paraxial beam |
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| 1st Author's Name |
Hirokazu Kobayashi |
| 1st Author's Affiliation |
Kochi University of Technology (Kochi Univ. Tech.) |
| 2nd Author's Name |
Yutaka Shikano |
| 2nd Author's Affiliation |
Research Center for Advanced Science and Technology, The University of Tokyo/Institute for Quantum Studies, Chapman University (RCAST, UT/Chapman Univ.) |
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| Date Time |
2017-05-30 16:30:00 |
| Presentation Time |
20 minutes |
| Registration for |
QIT |
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