Temporal multimode storage of entangled photon pairs
Multiplexed quantum memories capable of storing and processing entangled photons are essential for the development of quantum networks. In this context, we demonstrate the simultaneous storage and retrieval of two entangled photons inside a solid-state quantum memory and measure a temporal multimode...
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| Veröffentlicht in: | arXiv.org 2016-12 |
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| creator | Tiranov, Alexey Strassmann, Peter C Lavoie, Jonathan Brunner, Nicolas Huber, Marcus Verma, Varun B Sae Woo Nam Mirin, Richard P Lita, Adriana E Marsili, Francesco Afzelius, Mikael Bussières, Félix Gisin, Nicolas |
| description | Multiplexed quantum memories capable of storing and processing entangled photons are essential for the development of quantum networks. In this context, we demonstrate the simultaneous storage and retrieval of two entangled photons inside a solid-state quantum memory and measure a temporal multimode capacity of ten modes. This is achieved by producing two polarization entangled pairs from parametric down conversion and mapping one photon of each pair onto a rare-earth-ion doped (REID) crystal using the atomic frequency comb (AFC) protocol. We develop a concept of indirect entanglement witnesses, which can be used as Schmidt number witness, and we use it to experimentally certify the presence of more than one entangled pair retrieved from the quantum memory. Our work puts forward REID-AFC as a platform compatible with temporal multiplexing of several entangled photon pairs along with a new entanglement certification method useful for the characterisation of multiplexed quantum memories. |
| doi_str_mv | 10.48550/arxiv.1606.07774 |
| format | Article |
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| subjects | Entanglement Mapping Multiplexing Photons Physics - Quantum Physics Quantum phenomena Quantum theory Rare earth elements Schmidt number Storage |
| title | Temporal multimode storage of entangled photon pairs |
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