Photon correlation transients in a weakly blockaded Rydberg ensemble
The nonlinear and non-local effects in atomic Rydberg media under electromagnetically induced transparency (EIT) make it a versatile platform for fundamental studies and applications in quantum information. In this paper, we study the dynamics of a Rydberg-EIT system in an ensemble that allows for m...
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| Main Authors: | , , , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
23 March 2020
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| In: |
Journal of physics. B, Atomic, molecular and optical physics
Year: 2020, Volume: 53, Issue: 8 |
| ISSN: | 1361-6455 |
| DOI: | 10.1088/1361-6455/ab728f |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/1361-6455/ab728f
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| Author Notes: | Charles Möhl, Nicholas L.R. Spong, Yuechun Jiao, Chloe So, Teodora Ilieva, Matthias Weidemüller and Charles S. Adams |
| Summary: | The nonlinear and non-local effects in atomic Rydberg media under electromagnetically induced transparency (EIT) make it a versatile platform for fundamental studies and applications in quantum information. In this paper, we study the dynamics of a Rydberg-EIT system in an ensemble that allows for more than one Rydberg excitation in the propagation direction. The density of two-level atoms is such that transient superradiant effects occur. We experimentally observe a cross-over between coherent collective emission (‘flash’) of two-level atoms to a Rydberg dressed regime (‘dressed flash’) under EIT condition. The complex dynamics are characterised using both intensity and time correlation measurements. We show that while steady-state EIT gives a second order correlation g (2) = 0.79 ± 0.04, the Rydberg-dressed flash exhibits anti-bunching down to 0.2 ± 0.04. |
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| Item Description: | Gesehen am 27.04.2020 |
| Physical Description: | Online Resource |
| ISSN: | 1361-6455 |
| DOI: | 10.1088/1361-6455/ab728f |