Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session AA08: V: Quantum Error Correction and Entanglement
5:00 AM–7:00 AM,
Monday, March 20, 2023
Room: Virtual Room 8
Sponsoring
Unit:
DQI
Chair: Nathan McMahon, Friedrich-Alexander University Erlangen-Nurnberg
Abstract: AA08.00008 : Imaging stars with quantum error correction*
6:48 AM–7:00 AM
Presenter:
Zixin Huang
(Macquarie University)
Author:
Zixin Huang
(Macquarie University)
Collaboration:
Zixin Huang, Gavin K Brennen, Yingkai Ouyang
We present a general framework for using quantum error correction codes for protecting and imaging starlight received at distant telescope sites.
In our scheme, the quantum state of light is coherently captured into a non-radiative atomic state via Stimulated Raman Adiabatic Passage, which is then imprinted into a quantum error correction code. The code protects the signal during subsequent potentially noisy operations necessary to extract the image parameters. We show that even a small quantum error correction code can offer significant protection against noise. For large codes, we find noise thresholds below which the information can be preserved.
Our scheme represents an application for near-term quantum devices that can increase imaging resolution beyond what is feasible using classical techniques.
*ZH is supported by a Sydney Quantum Academy Postdoctoral Fellowship, and thanks Jonathan P. Dowling for inspiring this line of research. We thank Thomas Volz for his insightful discussions. G.K.B. acknowledges support from the Australian Research Council Centre of Excellence for EngineeredQuantum Systems (Grant No. CE 170100009).Y.O. is supported by the Quantum Engineering Programme grant NRF2021-QEP2-01-P06, and also in part by NUS startup grants (R-263-000-E32-133 and R-263-000-E32-731), and the National Research Foundation, Prime Minister’s Office, Singapore and the Ministry of Education, Singapore under the Research Centres of Excellence program.
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