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DTSTAMP:20260427T100749Z
UID:5975db98e6fc3317522258@ist.ac.at
DTSTART:20170914T110000
DTEND:20170914T123000
DESCRIPTION:Speaker: Oskar Painter\nhosted by Quantum Seminar\nAbstract: I 
 will present recent ideas and developments involving the integration of op
 tomechanical crystals\, which couple light and sound [1]\, and electronic 
 superconducting quantum circuits which have large quantum nonlinearities t
 hat can be exploited for quantum information processing applications [2]. 
  Utilizing the silicon-on-insulator (SOI) wafer platform\, we have made ke
 y advances in the fabrication and integration of extremely low-loss microw
 ave phonon structures and low-loss microwave superconducting resonators.  
 These technical advancements offer several intriguing opportunities for qu
 antum information processing and networking with phonons\, photons\, and e
 lectrons in an integrated\, wafer-scale platform.  After providing an intr
 oduction to optomechanical crystals\, the focus of my talk will be on thre
 e recent highlights of our work in this area: (i) nonreciprocal photon tra
 nsport and amplification arising from synthetic magnetic flux and reservoi
 r engineering in an optomechanical crystal circuit [3]\, (ii) demonstratio
 n of a hypersonic (GHz) silicon optomechanical crystal resonator with Q-fa
 ctor = 40 billion at mK temperatures\, and (iii) development of transmon q
 ubits on SOI with excellent coherence properties (T1 = 3.5?s\, T2 = 2.2?s)
 . [1] M. Eichenfield\, J. Chan\, R. Camacho\, K. J. Vahala\, and O. Painte
 r\, Optomechanical Crystals\, Nature\, doi:10.1038/nature08524\, October 1
 9 (2009).[2] M. H. Devoret and R. J. Schoelkopf\, Superconducting Circuits
  for Quantum Information: An Outlook\, Science\, doi:10.1126/science.12319
 30v339\, March 8 (2013).[3] Kejie Fang\, Jie Luo\, Anja Metelmann\, Matthe
 w H. Matheny\, Florian Marquardt\, Aashish A. Clerk\, and Oskar Painter\, 
 Generalized non-reciprocity in an optomechanical circuit via synthetic mag
 netism and reservoir engineering\, Nature Physics\, doi:10.1038/nphys4009\
 , January 16 (2017).
LOCATION:Big Seminar room Ground floor / Office Bldg West (I21.EG.101)\, IS
 TA
ORGANIZER:sdanzing@ist.ac.at
SUMMARY:Oskar Painter: Hybrid optomechanical and superconducting quantum ci
 rcuits
URL:https://talks-calendar.ista.ac.at/events/685
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