2016 Fiscal Year Final Research Report
Two-photon interference of timing-controlled heralded single photons
| Project/Area Number |
26800211
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Atomic/Molecular/Quantum electronics
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| Research Institution | The University of Tokyo |
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Principal Investigator |
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Keywords | 単一光子 / 量子メモリー / パラメトリック下方変換 / ホモダイン測定 / ウィグナー関数 |
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| Outline of Final Research Achievements |
In optical quantum information processing, single photon states are fundamental resources. It is required to synchronize many pure single photon states so that they interfere on a beam splitter network. Pure single photon states can be generated with the heralding scheme. However, with this scheme, the success of state generation becomes probabilistic. Therefore, an important task is to store pure single photon states for synchronization. In this research, we experimentally succeeded in storage of two single photon states which are generated randomly by means of concatenated cavity systems, and in simultaneous release of them, making interference pattern on a beam splitter. This is an important achievement toward advancement of quantum information processing.
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| Free Research Field |
量子光学
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