Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session F35: Apker, Greene, Metropolis Award Session
11:15 AM–2:15 PM,
Tuesday, March 5, 2019
BCEC
Room: 205B
Sponsoring
Unit:
APS
Chair: Renata Wentzcovitch, Columbia University
Abstract: F35.00005 : Richard L. Greene Dissertation Award in Experimental Condensed Matter or Materials Physics: Engineering Synthetic Quantum Operations
1:39 PM–2:15 PM
View Presentation Abstract
Presenter:
Uri Vool
(Harvard University)
Author:
Uri Vool
(Harvard University)
One experiment focuses on selection rules in superconducting circuits. Using non-linear coupling, we are able to break the selection rules of a fluxonium artificial atom and drive forbidden transitions. We use this technique to construct a Λ system from the fluxonium coupled to a resonator at the fluxonium sweet spot.
Another experiment focuses on the new artificial atoms and operations accessible by adding continuous external drives to the circuit. By taking the Jaynes-Cummings (JC) Hamiltonian of a qubit coupled to a cavity and adding two continuous tones, we are able to simulate an effective JC Hamiltonian in the transverse basis. The energies and interaction terms are completely governed by the drives, and the system can be tuned to any interaction regime in situ. This scheme also allows us to cool the qubit to the eigenstates of the transverse basis, and perform a continuous quantum non-demolition measurement of the transverse component of a qubit.
This talk presents work done during my Ph.D. in Michel Devoret's lab at Yale University.
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