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 M70: Photonic systems for quantum networks
8:00 AM–11:00 AM,
Wednesday, March 8, 2023
Room: Room 409
Sponsoring
Unit:
DQI
Chair: Daniel Higginbottom, Simon Fraser University
Abstract: M70.00011 : Entangling remote qubits using the single-photon protocol: an in-depth theoretical and experimental study
10:00 AM–10:12 AM
Presenter:
Sophie Hermans
(California Institute of Technology)
Authors:
Sophie Hermans
(California Institute of Technology)
Matteo Pompili
(Delft University of Technology)
Laura dos Santos Martins
(Delft University of Technology)
Alejandro Montblanch
(Univ of Cambridge)
Hans Beukers
(Delft University of Technology)
Simon Baier
(Institut fur Experimentalphysik, Universitat Innsbruck)
Johannes Borregaard
(Delft University of Technology)
Ronald Hanson
(Delft University of Technology)
Collaboration:
N/A
To generate the entangled links between distant nodes, one can use several protocols which all rely on the transfer of photons between the nodes. The single-photon entanglement scheme, initially proposed by Cabrillo et. al. and Bose et. al. in 1999, is especially suited for achieving entangled states with high generation rates in the presence of high photon loss and has been implemented on various qubit platforms. Towards high quality entangled links, we need to understand how different noise and error sources affect the entangled states.
In this talk, I will present a detailed theoretical and experimental study of the single-photon entanglement protocol. We consider the effect of various noise and error sources, such as the inherent protocol error, distinguishability of the photons, and two-photon emission events. These imperfections are general of nature and are not specific to our qubit platform. Therefore, the insights gained in this work are applicable to many other qubit systems.
[1] S. L. N. Hermans et al., “Entangling remote qubits using the single-photon protocol: an in-depth theoretical and experimental study.” doi: 10.48550/arXiv.2208.07449.
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