Paper Abstract and Keywords |
Presentation |
2017-05-29 15:00
[Poster Presentation]
Time-domain measurement of continuous-variable entanglement using shaped picosecond pulsed light Ami Shinjo (Gakushuin Univ.), Yujiro Eto (AIST), Takuya Hirano (Gakushuin Univ.) |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
We report on the time-domain measurement of continuous-variable entanglement with pulsed light source and waveguides. The use of pulsed light in a continuous-variable experiment has some advantages in broad-band entanglement generation and easy identication of entangled modes: each pulse can be treated as a single mode, and this makes it easy to realize space-like separation of entanglement. However, it is difficult to achieve good temporal mode matching between the local oscillator (LO) pulse and entangled pulse. To resolve this difficulty, we have shorten the duration of the LO pulse by parametric amplication. In addition, to perform time-domain measurement, we used handmade homodyne detectors. As a result, we succeeded in generating and observing entanglement satisfying the inseparability criterion which is a criterion in the time-domain measurements. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
continuous-variable entanglement / pulsed light / waveguide / homodyne detection / EPR-Reid criterion / / / |
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 |
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(See Japanese page) |
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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) |
Time-domain measurement of continuous-variable entanglement using shaped picosecond pulsed light |
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continuous-variable entanglement |
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pulsed light |
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waveguide |
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homodyne detection |
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EPR-Reid criterion |
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1st Author's Name |
Ami Shinjo |
1st Author's Affiliation |
Gakushin University (Gakushuin Univ.) |
2nd Author's Name |
Yujiro Eto |
2nd Author's Affiliation |
National Institute of Advanced Industrial Science and Technology (AIST) |
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Takuya Hirano |
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Gakushin University (Gakushuin Univ.) |
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Author-1 |
Date Time |
2017-05-29 15:00:00 |
Presentation Time |
90 minutes |
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QIT |
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