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Quantum Institute : 2017 Quantum Lunch Seminar Schedule


Quantum Initiative: Quantum Lunch

The Quantum Lunch is regularly held on Thursdays in the Theoretical Division Conference Room, TA-3, Building 123, Room 121.

The organizing committee includes Malcolm Boshier (P-21), Lukasz Cincio (T-4), Diego Dalvit (T-4), Changhyun Ryu (P-21) , Nikolai Sinitsyn (T-4), Rolando Somma (T-4), Yigit Subasi (T-4), Christopher Ticknor (T-1), and Wojciech Zurek (T-4).

For more information, or to nominate a speaker, contact Yigit Subasi or Lukasz Cincio.

To add your name to the Quantum Lunch email list, contact Kacy Hopwood.

Thursday April 27, 2017
12:30 PM - 2:00 PM

Speaker: Ivan Deutsch (CQuIC, University of New Mexico)

Technical Host: Yigit Subasi

TOPIC: Optimal control and measurement of atomic spins

Atomic spins are natural carriers of quantum information given their long coherence times and our ability to control and measure them with magneto-optical fields. Both the internal spins of atoms whose nuclear spin is large, and the collective spin of an ensembles of many atoms provide complex quantum systems, and form useful testbeds for exploring quantum information processing. These complex systems can be manipulated using the tools of optimal control. I will discuss a variety of examples including the control of the 16 dimensional Hilbert space associated with the internal spin of cesium-133 atoms, the control of spin transport in optical lattices to implement Boson sampling, the control of symmetrically-entangled Dicke states via the spin-dressed Rydberg blockade, and the use of optimal control to enhance atom-light entanglement for spin squeezing. Optimal control also allows for the implementation of large classes of POVMs, which we use to study efficient and robust quantum tomography.

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