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pro vyhledávání: '"Clark, Craig R"'
Autor:
Fallek, Spencer D., Sandhu, Vikram S., McGill, Ryan A., Gray, John M., Tinkey, Holly N., Clark, Craig R., Brown, Kenton R.
The trapped-ion quantum charge-coupled device (QCCD) architecture is a leading candidate for advanced quantum information processing. In current QCCD implementations, imperfect ion transport and anomalous heating can excite ion motion during a calcul
Externí odkaz:
http://arxiv.org/abs/2309.02581
Autor:
Clark, Craig R., Herold, Creston D., Merrill, J. True, Tinkey, Holly N., Rellergert, Wade, Clark, Robert, Brown, Roger, Robertson, Wesley D., Volin, Curtis, Maller, Kara, Shappert, Chris, McMahon, Brian J., Sawyer, Brian C., Brown, Kenton R.
Ion transport is an essential operation in some models of quantum information processing, where fast ion shuttling with minimal motional excitation is necessary for efficient, high-fidelity quantum logic. While fast and cold ion shuttling has been de
Externí odkaz:
http://arxiv.org/abs/2301.05279
Autor:
Clark, Craig R.
Laser-cooled atomic ions have led to an unprecedented amount of control over the quantum states of matter. The Coulombic interaction allows for information to be transferred between neighboring ions, and this interaction can be used to entangle qubit
Externí odkaz:
http://hdl.handle.net/1853/43757
We implement a two-qubit entangling M{\o}lmer-S{\o}rensen interaction by transporting two co-trapped $^{40}\mathrm{Ca}^{+}$ ions through a stationary, bichromatic optical beam within a surface-electrode Paul trap. We describe a procedure for achievin
Externí odkaz:
http://arxiv.org/abs/2109.03865
Autor:
Clark, Craig R., Tinkey, Holly N., Sawyer, Brian C., Meier, Adam M., Burkhardt, Karl A., Seck, Christopher M., Shappert, Christopher M., Guise, Nicholas D., Volin, Curtis E., Fallek, Spencer D., Hayden, Harley T., Rellergert, Wade G., Brown, Kenton R.
Publikováno v:
Phys. Rev. Lett. 127, 130505 (2021)
Entanglement generation in trapped-ion systems has relied thus far on two distinct but related geometric phase gate techniques: Molmer-Sorensen and light-shift gates. We recently proposed a variant of the light-shift scheme where the qubit levels are
Externí odkaz:
http://arxiv.org/abs/2105.05828
Publikováno v:
Quantum Sci. Technol. 6 034013 (2021)
We present a framework for quantum process tomography of two-ion interactions that leverages modulations of the trapping potential and composite pulses from a global laser beam to achieve individual-ion addressing. Tomographic analysis of identity an
Externí odkaz:
http://arxiv.org/abs/2101.04648
Autor:
Tabakov, Boyan, Benito, Francisco, Blain, Matthew, Clark, Craig R., Clark, Susan, Haltli, Raymond A., Maunz, Peter, Sterk, Jonathan D., Tigges, Chris, Stick, Daniel
Publikováno v:
Phys. Rev. Applied 4, 031001 (2015)
We report on experiments with a microfabricated surface trap designed for trapping a chain of ions in a ring. Uniform ion separation over most of the ring is achieved with a rotationally symmetric design and by measuring and suppressing undesired ele
Externí odkaz:
http://arxiv.org/abs/1501.06554
Akademický článek
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Autor:
Clark, Craig R., Chou, Chin-wen, Ellis, A. R., Hunker, Jeff, Kemme, Shanalyn A., Maunz, Peter, Tabakov, Boyan, Tigges, Chris, Stick, Daniel L.
Publikováno v:
Phys. Rev. Applied 1, 024004 (2014)
One of the outstanding challenges for ion trap quantum information processing is to accurately detect the states of many ions in a scalable fashion. In the particular case of surface traps, geometric constraints make imaging perpendicular to the surf
Externí odkaz:
http://arxiv.org/abs/1305.4706
The coupled motion of ions in a radiofrequency trap has been used to connect the frequency- dependent laser-induced heating of a sympathetically cooled spectroscopy ion with changes in the fluorescence of a laser-cooled control ion. This technique, s
Externí odkaz:
http://arxiv.org/abs/1003.1428