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9 March 2023 Spin-photon entanglement and photonic cluster states generation with a semiconductor quantum dot in a cavity
Nathan Coste, Dario Fioretto, Nadia Belabas, Stephen Wein, Paul Hilaire, Rafail Frantzeskakis, Manuel Gundin, Bruno Goes, Niccolo Somaschi, Martina Morassi, Aristide Lemaitre, Isabelle Sagnes, Abdelmounaim Harouri, Sophia Economou, Alexia Auffeves, Olivier Krebs, Loïc Lanco, Pascale Senellart
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Proceedings Volume PC12446, Quantum Computing, Communication, and Simulation III; PC124460Y (2023) https://doi.org/10.1117/12.2653521
Event: SPIE Quantum West, 2023, San Francisco, California, United States
Abstract
Semiconductor quantum dots have emerged as excellent artificial atoms to both generate and manipulate quantum light. When embedded in cavities, they can generate single photons and entangled photons with unparalleled efficiency and high quantum purity. In this talk, I will discuss how such devices can be used to generate strings of many entangled photons. The method, leveraging the spin-selective optical transition in a charged quantum dot, leads to the generation of indistinguishable photons in linear cluster states or GHZ states at high rates, realizing an important milestone for scaling-up optical quantum technologies.
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Nathan Coste, Dario Fioretto, Nadia Belabas, Stephen Wein, Paul Hilaire, Rafail Frantzeskakis, Manuel Gundin, Bruno Goes, Niccolo Somaschi, Martina Morassi, Aristide Lemaitre, Isabelle Sagnes, Abdelmounaim Harouri, Sophia Economou, Alexia Auffeves, Olivier Krebs, Loïc Lanco, and Pascale Senellart "Spin-photon entanglement and photonic cluster states generation with a semiconductor quantum dot in a cavity", Proc. SPIE PC12446, Quantum Computing, Communication, and Simulation III, PC124460Y (9 March 2023); https://doi.org/10.1117/12.2653521
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KEYWORDS
Photons
Quantum dots
Semiconductors
Polarization
Entangled states
Heart
Optical microcavities
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