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7 papers · 2 filters
Correlation of Dirac potentials and atomic inversion in cavity quantum electrodynamics
Agung Trisetyarso
Controlling the time evolution of the population of two states in cavity quantum electrodynamics (QED) is necessary by tunning the \textit{modified} Rabi frequency in which the $\t…
Time complexity and gate complexity
Tatsuhiko Koike, Yosuke Okudaira
We formulate and investigate the simplest version of time-optimal quantum computation theory (t-QCT), where the computation time is defined by the physical one and the Hamiltonian…
Surface code quantum communication
Austin G. Fowler, David S. Wang, Charles D. Hill +3
Quantum communication typically involves a linear chain of repeater stations, each capable of reliable local quantum computation and connected to their nearest neighbors by unrelia…
Storage of multiple coherent microwave excitations in an electron spin ensemble
Hua Wu, Richard E. George, Arzhang Ardavan +7
Electron and nuclear spins have good coherence times and an ensemble of spins is a promising candidate for a quantum memory. By employing holographic techniques via field gradients…
Distributed Quantum Computation Architecture Using Semiconductor Nanophotonics
Rodney Van Meter, Thaddeus D. Ladd, Austin G. Fowler +1
In a large-scale quantum computer, the cost of communications will dominate the performance and resource requirements, place many severe demands on the technology, and constrain th…
Simultaneous sub-second hyperpolarization of the nuclear and electron spins of phosphorus in silicon
A. Yang, M. Steger, T. Sekiguchi +7
We demonstrate a method which can hyperpolarize both the electron and nuclear spins of 31P donors in Si at low field, where both would be essentially unpolarized in equilibrium. It…