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Search Publications by: Wayne M. Itano (Assoc)

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Displaying 151 - 175 of 194

Entangled States of Atomic Ions for Quantum Metrology and Computation

January 1, 1996
Author(s)
David J. Wineland, C Monroe, D M. Meekhof, B E. King, Dietrich G. Leibfried, Wayne M. Itano, James C. Bergquist, D J. Berkeland, John J. Bollinger, J D. Miller
A single trapped 9Be+ ion is used to investigate Jaynes-Cummings dynamics for a two-level atomic system coupled to harmonic atomic motion. We create and investigate nonclassical states of motion including "Schrödinger-cat" states. A fundamental quantum

Experimental Determination of the Motional Quantum State of a Trapped Atom

January 1, 1996
Author(s)
Dietrich G. Leibfried, D M. Meekhof, B E. King, C Monroe, Wayne M. Itano, David J. Wineland
We reconstruct the density matrices and Wigner functions for various quantum states of motion of a harmonically bound 9Be+ ion. We apply coherent displacements of different amplitudes and phases to the input state and measure the number state populations

Generation of Non-Classical Motional States of a Trapped Atom

January 1, 1996
Author(s)
D M. Meekhof, C Monroe, B E. King, Wayne M. Itano, David J. Wineland
We report the creation of thermal, Fock, coherent, and squeezed states of motion of a harmonically bound 9Be+ ion. The last three states are coherently prepared from an ion which has been initially laser cooled to the zero point of motion. The ion is

Experiments at NIST with Trapped Ions: 3-D Zero-Point Cooling, Quantum Gates, Bragg Scattering, and Atomic Clocks

June 12, 1995
Author(s)
C Monroe, A S. Barton, James C. Bergquist, D J. Berkeland, John Bollinger, F C. Cruz, Wayne M. Itano, Steven R. Jefferts, Branislav M. Jelenkovic, B E. King, D M. Meekhof, J D. Miller, M E. Poitzsch, Joseph N. Tan
We have recently used stimulated-Raman transitions in the resolved sideband regime to cool single ions to the n = 0 zero-point energy. This has allowed realizations of the Jaynes-Cummings model interaction for atomic motion and a quantum controlled-NOT

Demonstration of a Fundamental Universal Quantum Logic Gate

January 1, 1995
Author(s)
C Monroe, D M. Meekhof, B E. King, Wayne M. Itano, David J. Wineland
We demonstrate the operation of a two-bit "controlled-NOT" quantum logic gate, which, in conjunction with simple single-bit operations, forms a universal quantum logic gate for quantum computation. The two quantum bits are stored in the internal and

Resolved-Sideband Raman Cooling of a Bound Atom to the 3D Zero-Point Energy

January 1, 1995
Author(s)
C Monroe, D M. Meekhof, B E. King, Steven R. Jefferts, Wayne M. Itano, David J. Wineland, P Gould
We report laser cooling of a single 9Be+ ion held in a rf (Paul) ion trap to where it occupies the quantum-mechanical ground state of motion. With the use of resolved-sideband stimulated Raman cooling, the zero point of motion is achieved 98% of the time

Squeezed Atomic States and Projection Noise in Spectroscopy,

January 1, 1994
Author(s)
David J. Wineland, John J. Bollinger, Wayne M. Itano, D J. Heinzen
We investigate the properties of angular-momentum states which yield high sensitivity to rotation. We discuss the application of these "squeezed-spin" or correlated-particle states to spectroscopy.

Quantum Measurements of Trapped Ions

January 1, 1993
Author(s)
Wayne M. Itano, James C. Bergquist, John J. Bollinger, J M. Gilligan, D J. Heinzen, F L. Moore, M G. Raizen, David J. Wineland
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