JQI Special Seminar

Calendar
Department of Physics Calendar
Date
Wed, Jun 21, 2017 11:00 am - 12:00 pm
Location
PSC 2136

Description

Darrick Chang, ICFO, Spain

Quantum optics using two-dimensional atomic arrays

Traditional quantum interfaces between atomic ensembles and light have relied upon disordered three-dimensional atomic gases. Recently, however, capabilities have emerged to form lower-dimensional, ordered arrays of trapped atoms. This raises the interesting question of whether such systems can give rise to qualitatively different quantum optical phenomena and functionality, as compared to traditional interfaces. Here, we discuss ongoing work to explore this question in two-dimensional arrays. We show how a single 2D layer can form a nearly perfect mirror for near-resonant light or constitute an efficient quantum memory. We also discuss how atomic Rydberg interactions can be used to endow the system with strong optical nonlinearities at the single-photon level, whose dynamics exhibit rich spatio-temporal behavior as compared to typical quasi-1D field propagation through atomic ensembles.

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