Bulletin of the American Physical Society
83rd Annual Meeting of the APS Southeastern Section
Volume 61, Number 19
Thursday–Saturday, November 10–12, 2016; Charlottesville, Virginia
Session F4: Atomic, Molecular and Optical Physics |
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Chair: John Yukich, Davidson College Room: Preston Room |
Friday, November 11, 2016 8:30AM - 9:00AM |
F4.00001: Record-scale entanglement of quantum fields for measurement-based quantum computing Invited Speaker: Olivier Pfister Achieving scalability and eschewing decoherence are the two main challenges that stand in the way of the realization of a practical quantum computer in the laboratory. While the latter has been successfully addressed in trapped-ion and superconducting qubit platforms, significant progress on the former has been achieved with continuous-variable (CV) systems, all of them oscillators, in which qubits are replaced with ``qumodes.'' Examples of qumodes are the resonant modes of an optical parametric oscillator. Recently, the simultaneous entanglement of 60 frequency qumodes was demonstrated by our group using a single OPO while the entanglement of one million qumodes (two at a time) was demonstrated by Akira Furusawa's group at the University of Tokyo. If this talk, I will present our recent proposal to combine these two concepts of entanglement in the frequency and time domains to build a bona fide quantum computing processor. [Preview Abstract] |
Friday, November 11, 2016 9:00AM - 9:30AM |
F4.00002: The World's Smallest Extreme Laboratories: Probing QED with Highly Charged Ions. Invited Speaker: Joan Marler Highly charged ions (HCIs) are atoms in which all or most of the electrons have been stripped off. The remaining few (or one) electrons exist in the presence of the strong electric field generated from the nucleus. In the case of fully stripped Uranium this field is 10$^{\mathrm{16}}$ V cm$^{\mathrm{-1}}$, orders of magnitude stronger than any external field available in a laboratory. These ultra strong fields make HCIs ideal mini laboratories in which to test physical theories in extreme conditions. Quantum Electrodynamics (QED) is an extremely powerful and predictive theory describing the interaction of matter and light. However, in the instances where experimental and theoretical results differ there is an opportunity to study non-standard model physics. HCIs are also promising candidates for next generation atomic clocks and searches for time variation in the fundamental ``constants''. Additionally, while HCIs are rare on Earth, they are commonplace in the universe, in particularly in the high temperature and pressure environments of stars and solar winds. Understanding how to read the photon signature from interactions of HCIs with neutral gases in the universe gives information on the density, temperature and constituents of both. [Preview Abstract] |
Friday, November 11, 2016 9:30AM - 10:00AM |
F4.00003: Quantum Information with Trapped Ions Invited Speaker: Kenneth Brown Quantum computation promises an exponential algorithmic speed up over classical computation. Currently quantum computing hardware is limited by errors in the control and unwanted interactions with the environment. I will present our theoretical and experimental work on removing both control and algorithmic errors in ion trap quantum processors. I will also discuss proposals for scaling ion trap quantum computers from 10's to 100's of qubits. [Preview Abstract] |
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