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Evolution of Photonic Quantum Machine Learning under Noise

A. M. A. S. D. Alagiyawanna, Asoka Karunananda

TL;DR

This review provides a systematic analysis of noise sources in photonic quantum machine learning systems and categorizes major noise mechanisms and analyzes their impact on learning performance, training stability, and convergence behavior.

Abstract

Photonic Quantum Machine Learning (PQML) is an emerging approach that integrates photonic quantum computing technologies with machine learning techniques to enable scalable and energy-efficient quantum information processing. Photonic systems offer advantages such as room-temperature operation, high-speed signal processing, and the ability to represent information in high-dimensional Hilbert spaces. However, noise remains a major challenge affecting the performance, reliability, and scalability of PQML implementations. This review provides a systematic analysis of noise sources in photonic quantum machine learning systems. We discuss photonic quantum computing architectures and examine key quantum machine learning algorithms implemented on photonic platforms, including Variational Quantum Circuits, Quantum Neural Networks, and Quantum Support Vector Machines. The paper categorizes major noise mechanisms and analyzes their impact on learning performance, training stability, and convergence behavior. Furthermore, we review both traditional and advanced noise characterization techniques and survey recent strategies for noise mitigation in photonic quantum systems. Finally, we highlight recent experimental advances and discuss future research directions for developing robust and scalable PQML systems under realistic noise conditions.

Evolution of Photonic Quantum Machine Learning under Noise

TL;DR

This review provides a systematic analysis of noise sources in photonic quantum machine learning systems and categorizes major noise mechanisms and analyzes their impact on learning performance, training stability, and convergence behavior.

Abstract

Photonic Quantum Machine Learning (PQML) is an emerging approach that integrates photonic quantum computing technologies with machine learning techniques to enable scalable and energy-efficient quantum information processing. Photonic systems offer advantages such as room-temperature operation, high-speed signal processing, and the ability to represent information in high-dimensional Hilbert spaces. However, noise remains a major challenge affecting the performance, reliability, and scalability of PQML implementations. This review provides a systematic analysis of noise sources in photonic quantum machine learning systems. We discuss photonic quantum computing architectures and examine key quantum machine learning algorithms implemented on photonic platforms, including Variational Quantum Circuits, Quantum Neural Networks, and Quantum Support Vector Machines. The paper categorizes major noise mechanisms and analyzes their impact on learning performance, training stability, and convergence behavior. Furthermore, we review both traditional and advanced noise characterization techniques and survey recent strategies for noise mitigation in photonic quantum systems. Finally, we highlight recent experimental advances and discuss future research directions for developing robust and scalable PQML systems under realistic noise conditions.
Paper Structure (24 sections, 9 figures)

This paper contains 24 sections, 9 figures.

Figures (9)

  • Figure 1: Timeline of major advancements in quantum machine learning alchieri2021introduction.
  • Figure 2: Illustration of the photonic quantum computing components psiquantum2025manufacturable.
  • Figure 3: Single photon on a beam splitter csahin2021can.
  • Figure 4: Building blocks of a Hybrid Quantum System: Interfacing continuous-variable (EM field, mechanical oscillator) and discrete-variable (spin ensemble) components andersen2015hybrid.
  • Figure 5: A basic diagram of variational quantum circuits sequeira2023policy.
  • ...and 4 more figures