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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:0
UID:UW-Physics-Event-2716
DTSTART:20121115T160000Z
DURATION:PT1H0M0S
DTSTAMP:20260420T035022Z
LAST-MODIFIED:20121106T135318Z
LOCATION:5310 Chamberlin
SUMMARY:On-chip cavity quantum phonodynamics\, R. G. Herb Condensed Ma
 tter Seminar\, Charles Tahan\, Laboratory for Physical Science
DESCRIPTION:The progression of technology relies in part on the identi
 fication and control of components\, such as confined electrons or pho
 tons\, from which systems of greater complexity are built. Once a curi
 osity\, it now looks like nanomechanical systems can also have good\, 
 robust properties for classical and quantum devices. I will discuss ou
 r recent work on controlling phonons at the quantum level. We have int
 roduced a way to engineer a sound-based analogue of cavity-QED allowin
 g for composite quantum objects called phonitons to be formed [1]. We 
 show how this system can be used to probe phonon-qubit (sound-matter) 
 interactions and properties\, form complex many-body systems\, and be 
 practically realized. Recently\, we have shown [2] how an on-chip vers
 ion of this system can be constructed allowing integration with other 
 phononic components such as photon-phonon translators.<br>
\n<br>
\n[1
 ] Phys. Rev. Lett. 107\, 235502 (2011)<br>
\n[2] <a href="http://arxiv
 .org/abs/1208.1776">http://arxiv.org/abs/1208.1776</a><br>
\n<br>
\nCh
 arles Tahan received B.S. degrees in physics and computer science with
  highest honors from the College of William and Mary in 2000 and a Ph.
 D. in condensed matter theory from the University of Wisconsin-Madison
  in 2005\, where his work focused on silicon quantum computing. From 2
 005-2007 he was a National Science Foundation Distinguished Internatio
 nal Postdoctoral Research Fellow at the Cavendish Laboratory of the Un
 iversity of Cambridge\, UK\, with visiting research positions at the U
 niversity of Melbourne\, Australia\, and the University of Tokyo\, Jap
 an. During this time he co-invented the field of "solid light" with a 
 proposal for strongly-correlated polariton systems. From 2007-2009 he 
 was a technical consultant in the Defense Advanced Research Projects A
 gency's (DARPA) Microsystems Technology Office (MTO)\, helping to crea
 te the Quantum Entanglement Science and Technology (QuEST) program amo
 ng others. Presently\, he is a program manager in the quantum computin
 g group at the Laboratory for Physical Sciences where he also has a re
 search group in quantum information and device theory. His current res
 earch interests focus on solid-state quantum computing\, nano/optomech
 anics\, fundamental open problems in quantum information processing\, 
 and solid-state devices that exhibit enhanced functionality due to the
 ir quantum behavior.
URL:https://www.physics.wisc.edu/events/?id=2716
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