Shooter, G, Xiang, Z-H, Müller, JRA et al. (11 more authors) (2020) 1GHz clocked distribution of electrically generated entangled photon pairs. UNSPECIFIED.
Abstract
Abstract:
Quantum networks are essential for realising distributed quantum computation and
quantum communication. Entangled photons are a key resource, with applications such as
quantum key distribution, quantum relays, and quantum repeaters. All components integrated in
a quantum network must be synchronised and therefore comply with a certain clock frequency.
In quantum key distribution, the most mature technology, clock rates have reached and exceeded
1GHz. Here we show the first electrically pulsed sub-Poissonian entangled photon source
compatible with existing fiber networks operating at this clock rate. The entangled LED is based
on InAs/InP quantum dots emitting in the main telecom window, with a multi-photon probability
of less than 10% per emission cycle and a maximum entanglement fidelity of 89%. We use
this device to demonstrate GHz clocked distribution of entangled qubits over an installed fiber
network between two points 4.6km apart.
Metadata
Item Type: | Other |
---|---|
Authors/Creators: |
|
Copyright, Publisher and Additional Information: | © 2020 The Author(s). For reuse permissions, please contact the Author(s). |
Keywords: | quant-ph |
Dates: |
|
Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield) |
Funding Information: | Funder Grant number INNOVATE UK (TSB) 70628-492126 TS/P002560/1 |
Depositing User: | Symplectic Sheffield |
Date Deposited: | 10 Sep 2020 09:35 |
Last Modified: | 19 Jun 2021 22:38 |
Status: | Published |
Identification Number: | 10.1364/oe.405466 |
Related URLs: | |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:165348 |