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Three dimensional theory for light matter interaction
Martin W. Sørensen, Anders S. Sørensen
We present a full quantum mechanical three dimensional theory describing an electromagnetic field interacting with an ensemble of identical atoms. The theory is constructed such th…
Photon storage in Lambda-type optically dense atomic media. IV. Optimal control using gradient ascent
Alexey V. Gorshkov, Tommaso Calarco, Mikhail D. Lukin +1
We use the numerical gradient ascent method from optimal control theory to extend efficient photon storage in Lambda-type media to previously inaccessible regimes and to provide si…
Distributed Quantum Computation Based-on Small Quantum Registers
Liang Jiang, Jacob M. Taylor, Anders S. Sørensen +1
We describe and analyze an efficient register-based hybrid quantum computation scheme. Our scheme is based on probabilistic, heralded optical connection among local five-qubit quan…
A single-photon transistor using nano-scale surface plasmons
D. E. Chang, A. S. Sørensen, E. A. Demler +1
It is well known that light quanta (photons) can interact with each other in nonlinear media, much like massive particles do, but in practice these interactions are usually very we…
Fractional Quantum Hall Effect in Optical Lattices
Mohammad Hafezi, Anders S. Sorensen, Eugene Demler +1
We analyze a recently proposed method to create fractional quantum Hall (FQH) states of atoms confined in optical lattices [A. Sørensen {\it et al.}, Phys. Rev. Lett. {\bf 94} 0868…
Characterization of topological states on a lattice with Chern number
Mohammad Hafezi, Anders S. Sorensen, Mikhail D. Lukin +1
We study Chern numbers to characterize the ground state of strongly interacting systems on a lattice. This method allows us to perform a numerical characterization of bosonic fract…