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Optical Engineering

Quantum entanglement demonstrator for public engagement

Paul C. Gow, James C. Gates, Rex H. S. Bannerman, Joshua Nunn, Paolo L. Mennea, Peter G. R. Smith

Published Apr 11, 2022• 0 citations
Publisher

Abstract

The Networked Quantum Information Technologies (NQIT) hub was one of the quantum hubs of the first round of the United Kingdom’s flagship scheme, bringing together academia, industry, and government. The Optical Engineering and Quantum Photonics Group at the University of Southampton’s Optoelectronics Research Centre has developed an interactive demonstrator of a key device within NQIT to bring quantum photonics technologies to a wider audience. The system was exhibited at the 2017 UK Quantum Showcase in London to an audience of industry and government. It also featured as part of the Quantum City stand at the 2018 Cheltenham Science Festival, one of the United Kingdom’s leading annual science events.

DOI
10.1117/1.oe.61.8.081802

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The Networked Quantum Information Technologies (NQIT) hub was one of the quantum hubs of the first round of the United Kingdom’s flagship scheme, bringing together academia, industry, and government. The Optical Engineering and Quantum Photonics Group at the University of Southampton’s Optoelectronics Research Centre has developed an interactive demonstrator of a key device within NQIT to bring quantum photonics technologies to a wider audience. The system was exhibited at the 2017 UK Quantum Showcase in London to an audience of industry and government. It also featured as part of the Quantum City stand at the 2018 Cheltenham Science Festival, one of the United Kingdom’s leading annual science events.
The Networked Quantum Information Technologies hub (NQIT) is one of the quantum hubs of the UK's agship scheme, bringing together academia, industry and government. The Optical Engineering and Quantum Pho- tonics group at the University of Southampton's Optoelectronics Research Centre have developed an interactive demonstrator of a key device within NQIT to bring quantum photonics technologies to a wider audience. The system was exhibited at the 2017 UK Quantum Showcase in London to an audience of industry and government. It also featured as part of the Quantum City stand at the 2018 Cheltenham science festival, one of the UK's leading annual science events.
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Novel research-inspired outreach activities allow scientists and members of the public to engage in a conversation, increasing the public’s understanding and interest in scientific research. This paper reviews outreach and public engagement initiatives undertaken by researchers from the University of Southampton’s Optical Engineering and Quantum Photonics Group during a 5-year research program grant entitled Building Large Optical Quantum States. The activities have been supported by a UK Engineering and Physical Sciences Research Council program grant and institutional, national and international professional organizations. The paper discusses activities and hand-outs that have been developed to increase the visibility and public understanding of integrated-photonics fabrication and testing facilities, including a cleanroom-based process for the design and fabrication of quantum outreach chips. More than 1,000 of these chips have been distributed to children, parents and government officials in public events and the activities have contributed towards the authors’ research group receiving the 2017 South East England Physics Network Highly Commended Award for Best Research Group. This paper also discusses the impact of these activities and lessons learned.
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A century ago the first quantum revolution defined our understanding of atomic and subatomic physics. A few decades later this understanding lead to a technological revolution where the semiconductor, the laser, and the optical technologies that enable our current digital information age were created. Today, quantum research is primed for the next revolution in systems technology; ‘Quantum 2.0’ promises solutions for unhackable communications (quantum cryptography), navigation and sensing (atomic clocks), and solving complex analytical problems at the speed of light (quantum computing). In Quantum 2.0, photonics represents a stable and established technology platform upon which new quantum systems can be built. Photonics enables the generation of new wavelengths for interaction of light and matter, single photons and integrated optical circuits for quantum information processing, and optical fibre networks for the long-haul transmission of quantum information. For commercial adoption, photonics will provide an important interface between emerging quantum products and our existing telecoms networks and digital infrastructure. At the University of Southampton we are developing new manufacturing technologies in silica-on-silicon and periodically-poled lithium niobate to enable the fabrication of scalable integrated optical components as the building blocks of Quantum 2.0; in particular our focus is the development of processes suitable for transfer and adoption by industry. We will report on our progress in this area and discuss recent results enabled by our devices.