Portable polarization-entangled photon source and receiver toolset for quantum network metrology

Anouar Rahmouni; Thomas Gerrits; Paulina Kuo; Reddy Dileep; Ma Lijun; Tang Xiao; Oliver Slattery

doi:10.1117/12.2632997

4 October 2022 Portable polarization-entangled photon source and receiver toolset for quantum network metrology

Anouar Rahmouni, Thomas Gerrits, Paulina Kuo, Reddy Dileep, Ma Lijun, Tang Xiao, Oliver Slattery

Proceedings Volume 12238, Quantum Communications and Quantum Imaging XX; 122380I (2022) https://doi.org/10.1117/12.2632997
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Conference Poster

Abstract

A quantum network will consist of many physically separated nodes connected by quantum communication channels that distribute entanglement between them. Such nodes will require mechanisms for the generation, routing, and measurement of quantum states to fulfill various quantum communication protocols between any two quantum nodes. An aim of our quantum network metrology program is to develop portable, low-cost, robust, and reliable tools that can be deployed anywhere into a quantum network testbed for these purposes. The prototype source and receiver systems described here will serve as benchmarking devices for the implementation of quantum network metrology in real-life testbeds and are, by-design, integrated into a 19” rack to allow for the easy deployment into anywhere with standard networking infrastructure. Measurements performed using this toolset have shown a fidelity of more than 0.98 with a polarization entanglement visibility of 0.97.

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Anouar Rahmouni, Thomas Gerrits, Paulina Kuo, Reddy Dileep, Ma Lijun, Tang Xiao, and Oliver Slattery "Portable polarization-entangled photon source and receiver toolset for quantum network metrology", Proc. SPIE 12238, Quantum Communications and Quantum Imaging XX, 122380I (4 October 2022); https://doi.org/10.1117/12.2632997

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