Tailoring Fusion-Based Photonic Quantum Computing Schemes to Quantum Emitters

Fusion-based quantum computation is a promising quantum computing model where small-sized photonic resource states are simultaneously entangled and measured by fusion gates. Such operations can be readily implemented with scalable photonic hardware: resource states can be deterministically generated...

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Main Authors: Ming Lai Chan, Thomas J. Bell, Love A. Pettersson, Susan X. Chen, Patrick Yard, Anders S. Sørensen, Stefano Paesani
Format: Article
Language:English
Published: American Physical Society 2025-04-01
Series:PRX Quantum
Online Access:http://doi.org/10.1103/PRXQuantum.6.020304
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author Ming Lai Chan
Thomas J. Bell
Love A. Pettersson
Susan X. Chen
Patrick Yard
Anders S. Sørensen
Stefano Paesani
author_facet Ming Lai Chan
Thomas J. Bell
Love A. Pettersson
Susan X. Chen
Patrick Yard
Anders S. Sørensen
Stefano Paesani
author_sort Ming Lai Chan
collection DOAJ
description Fusion-based quantum computation is a promising quantum computing model where small-sized photonic resource states are simultaneously entangled and measured by fusion gates. Such operations can be readily implemented with scalable photonic hardware: resource states can be deterministically generated by quantum emitters and fusions require only shallow linear-optical circuits. Here, we propose fusion-based architectures tailored to the capabilities and noise models in quantum emitters. We show that high tolerance to dominant physical error mechanisms can be achieved, with fault-tolerance thresholds of 8% for photon loss, 4% for photon distinguishability between emitters, and spin noise thresholds well above memory-induced errors for typical spin-photon interfaces. Our construction and analysis provide guidelines for the development of photonic quantum hardware targeting fault-tolerant applications with quantum emitters.
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issn 2691-3399
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publishDate 2025-04-01
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series PRX Quantum
spelling doaj-art-87aee871f3cd448cae8feadbb686df2e2025-08-20T03:07:44ZengAmerican Physical SocietyPRX Quantum2691-33992025-04-016202030410.1103/PRXQuantum.6.020304Tailoring Fusion-Based Photonic Quantum Computing Schemes to Quantum EmittersMing Lai ChanThomas J. BellLove A. PetterssonSusan X. ChenPatrick YardAnders S. SørensenStefano PaesaniFusion-based quantum computation is a promising quantum computing model where small-sized photonic resource states are simultaneously entangled and measured by fusion gates. Such operations can be readily implemented with scalable photonic hardware: resource states can be deterministically generated by quantum emitters and fusions require only shallow linear-optical circuits. Here, we propose fusion-based architectures tailored to the capabilities and noise models in quantum emitters. We show that high tolerance to dominant physical error mechanisms can be achieved, with fault-tolerance thresholds of 8% for photon loss, 4% for photon distinguishability between emitters, and spin noise thresholds well above memory-induced errors for typical spin-photon interfaces. Our construction and analysis provide guidelines for the development of photonic quantum hardware targeting fault-tolerant applications with quantum emitters.http://doi.org/10.1103/PRXQuantum.6.020304
spellingShingle Ming Lai Chan
Thomas J. Bell
Love A. Pettersson
Susan X. Chen
Patrick Yard
Anders S. Sørensen
Stefano Paesani
Tailoring Fusion-Based Photonic Quantum Computing Schemes to Quantum Emitters
PRX Quantum
title Tailoring Fusion-Based Photonic Quantum Computing Schemes to Quantum Emitters
title_full Tailoring Fusion-Based Photonic Quantum Computing Schemes to Quantum Emitters
title_fullStr Tailoring Fusion-Based Photonic Quantum Computing Schemes to Quantum Emitters
title_full_unstemmed Tailoring Fusion-Based Photonic Quantum Computing Schemes to Quantum Emitters
title_short Tailoring Fusion-Based Photonic Quantum Computing Schemes to Quantum Emitters
title_sort tailoring fusion based photonic quantum computing schemes to quantum emitters
url http://doi.org/10.1103/PRXQuantum.6.020304
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AT thomasjbell tailoringfusionbasedphotonicquantumcomputingschemestoquantumemitters
AT loveapettersson tailoringfusionbasedphotonicquantumcomputingschemestoquantumemitters
AT susanxchen tailoringfusionbasedphotonicquantumcomputingschemestoquantumemitters
AT patrickyard tailoringfusionbasedphotonicquantumcomputingschemestoquantumemitters
AT andersssørensen tailoringfusionbasedphotonicquantumcomputingschemestoquantumemitters
AT stefanopaesani tailoringfusionbasedphotonicquantumcomputingschemestoquantumemitters