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Cavity quantum electrodynamics (QED) studies the interaction between a quantum emitter and a single radiation-field mode. When an atom is strongly coupled to a cavity mode, it is possible to realize important quantum information processing tasks, such as controlled coherent coupling and entanglement of distinguishable quantum systems. Realizing these tasks(More)
A numerical analysis of extrinsic diffraction losses in two-dimensional photonic crystal slabs with line defects is reported. To model disorder, a Gaussian distribution of hole radii in the triangular lattice of airholes is assumed. The extrinsic losses below the light line increase quadratically with the disorder parameter, decrease slightly with(More)
A. Tomadin,1 V. Giovannetti,1 R. Fazio,1 D. Gerace,2 I. Carusotto,3,4 H. E. Türeci,3 and A. Imamoglu3 1National Enterprise for nanoScience and NanoTechnology, Consiglio Nazionale delle Ricerche, Istituto Nazionale per la Fisica della Materia, and Scuola Normale Superiore, Piazza dei Cavalieri 7, I-56126 Pisa, Italy 2Consorzio Nazionale Interuniversitario(More)
S. Schmidt,1 D. Gerace,2 A. A. Houck,3 G. Blatter,1 and H. E. Türeci3,4 1Institute for Theoretical Physics, ETH-Zurich, CH-8093 Zurich, Switzerland 2Dipartimento di Fisica “Alessandro Volta,” Università di Pavia, 27100 Pavia, Italy 3Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA 4Institute for Quantum(More)
We introduce a scheme to perform quantum information processing that is based on a hybrid spin-photon qubit encoding. The proposed qubits consist of spin ensembles coherently coupled to microwave photons in coplanar waveguide resonators. The quantum gates are performed solely by shifting the resonance frequencies of the resonators on a nanosecond time(More)
We report an experimental study of superfluid hydrodynamic effects in a one-dimensional polariton fluid flowing along a laterally patterned semiconductor microcavity and hitting a micron-sized engineered defect. At high excitation power, superfluid propagation effects are observed in the polariton dynamics; in particular, a sharp acoustic horizon is formed(More)
Coral reef communities are in a state of change throughout their geographical range. Factors contributing to this change include bleaching (the loss of algal symbionts), storm damage, disease, and increasing abundance of macroalgae. An additional factor for Caribbean reefs is the aftereffects of the epizootic that reduced the abundance of the herbivorous(More)