Rydberg atoms

Articles List

Articles 2012

1. Non-linear optics using cold Rydberg atomsPritchard, Kevin J. Weatherill and Charles S. Adams rebiew of Rydberg atoms and EIT
2. "Strongly Interacting Rydberg Excitations of a Cold Atomic Gas" Y. O. Dudin and A. Kuzmich DOI: 10.1126/science.1217901, cold rubidium 87 in an 1d optical lattice
3. Quantum nonlinear optics with single photons enabled by strongly interacting atoms, Vuletic doi:10.1038/nature11361 first Rydberg and EIT experiment rubidium 87 atoms in the dipole trap, resonant OD up to 50. The probe field spectrum

displays an EIT transparency window with 60% transmission. The transmission is mainly limited by the finite EIT decoherence rate \gamma_gr, which for our system is dominated by Doppler broadening and laser linewidth.

Articles 2016

1. "Nonlinear quantum optics mediated by Rydberg interactions" Firstenberg, C S Adams and S Hofferberth review of Ry atoms and EIT to create nonlinearity for single photon interactions.

Articles 2017

1. "Contactless nonlinear optics mediated by long-range Rydberg interactions" Charles S. Adams DOI: 10.1038/NPHYS4058 Authors make two photons to interact without overlapping them in space via a Rydberg blockade which makes the process determenistic. Two atomic ensembles are situated in optical tweezers, the distance between them is variable and lies in the range 9-16 um. Two weak optical pulses are stored as collective Rydberg excitations separately in two ensembles through EIT, due to van-der Waals interactions among single ensemble retrieval signal is reduced.

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1. "Free-Space Quantum Electrodynamics with a Single Rydberg Superatom" Hofferberth PHYSICAL REVIEW X 7, 041010 (2017)