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 T71: Quantum Reservoir Engineering and Non-Reciprocal Interactions
11:30 AM–1:54 PM,
Thursday, March 9, 2023
Room: Room 407/408
Sponsoring
Unit:
DQI
Chair: Gerry Angelatos, BBN Technology - Massachusetts
Abstract: T71.00001 : Weak measurement feedback and Zeno pinning for remote entanglement generation and stabilization in superconducting qubits*
11:30 AM–11:42 AM
Presenter:
Sacha R Greenfield
(University of Southern California)
Authors:
Sacha R Greenfield
(University of Southern California)
Leigh S Martin
(Harvard University)
Felix Motzoi
(Wilhelm-Johnen-Straße)
Birgitta Whaley
(University of California, Berkeley)
Justin G Dressel
(Chapman Univ)
Eli Levenson-Falk
(Univ of Southern California)
We present simulations of a weak measurement feedback protocol for remotely generating and stabilizing entanglement between two qubits. In particular, we simulate the role of unwanted coupling to two-level fluctuators (creating a 1/f dephasing noise spectrum), and methods for decoupling the qubit from these fluctuators during the feedback process. We explore the possibility of using strong measurement to stabilize entanglement with the quantum Zeno effect. We also highlight the role of the noise spectrum (Markovian vs. non-Markovian) in the stabilization efficacy.
*Work funded by the NSF under OMA-1936388, the ONR under N00014-21-1-2688, the RCSA under Cottrell Scholar grant 27550, and the Graduate Fellowship for STEM Diversity program.
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