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Speaker
| | Dr. Kathy-Anne Soderberg, University of Chicago, Chicago, IL |
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| | Date | | Oct 28, 2009 |
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| | Time | | 12:00 pm
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| | Location | | 280 Materials Research Lab., 104 S. Goodwin Ave., Urbana |
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| | Sponsor | | Department of Physics |
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| | Contact | | Linda Thorman |
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| | E-Mail | | thorman@illinois.edu |
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| | Phone | | 217-333-1590 |
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| | Event type | | QI/AMO Seminar |
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| | Original Calendar | | Physics - QI/AMO Seminar |
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| | Views | | 6893 |
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| Both trapped ions and neutral atoms are strong candidate systems for realizing a scalable quantum computer. This is due to the high degree of control over both the external trapping fields and the internal degrees of freedom. Both systems offer the ability to have very strong coupling between qubits and weak coupling to the environment, but can also be strongly coupled to the environment through microwave or laser radiation fields for measurement. Trapped ions have shown an unparalleled level of success towards scalable information processing. All of the basic operations have been implemented with high fidelity and current work is focused on scaling up to higher numbers of qubits. Recently, neutral atoms have made great strides toward scalable quantum information processing as well. Neutral atoms in an optical lattice have the advantage of a built in scalability, in that thousands of qubits can be held in regular micron-sized volume arrays. In this talk, I will present work done in both systems. I will show how all of the basic building blocks have been implemented with trapped ions and present a small quantum algorithm performed on two qubits. In addition, I will present
progress on a new neutral atom experiment that uses two atomic species in two independent optical lattices for the purpose of quantum computing. One atomic species
acts as a qubit and the second as a messenger atom to mediate and carry entanglement among the qubits. Operations are performed between the two atomic
species by translating the lattices with respect to each other to bring two target atoms into spatial contact. |
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