Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session G64: Bosonic Quantum Error Correction Codes
11:30 AM–1:54 PM,
Tuesday, March 7, 2023
Room: Room 415
Sponsoring
Unit:
DQI
Chair: Jahan Claes, Yale University
Abstract: G64.00006 : Experimental Realization and Characterization of Stabilized Pair Coherent State II : State Characterization Results*
12:30 PM–12:42 PM
Presenter:
Shruti Shirol
(University of Massachusetts Amherst)
Authors:
Shruti Shirol
(University of Massachusetts Amherst)
Sean van Geldern
(University of Massachusetts Amherst)
Jeffrey Gertler
(University of Massachusetts Amherst)
Liang Jiang
(University of Chicago)
Chen Wang
(University of Massachusetts Amherst)
This is part II of the talk and I will be presenting the experimental results along with the simualtion we did to extract the two photon pumping and dissipation rates. The reduced model Hamiltonian after adiabatically eliminating the reservoir mode is used to numerically solve the master equation and fits the time domain measurement data to a great agreement. I will also present the experimental results of coherence characterization we did with the new tool called subspace tomography and discuss the error channel. The non-negligible cross-Kerr between the dissipative mode and the storage cavities proved to be the limiting factor for the coherence we see in the stabilized PCS. Going forward if we are can eliminate the cross-Kerr our experimental parameters promise a PCS with better fidelity as we confirm with the simulation.
*We acknowledge funding from the U.S. Air Force Office of Scientific Research (FA9550-18-1-0092) and the DOE (Award No. DE-SC0021099).
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