Realization of a quantum neural network using repeat-until-success circuits in a superconducting quantum processor
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| Main Authors: | , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2022
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| _version_ | 1866908273282646016 |
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| author | Moreira, M. S. Guerreschi, G. G. Vlothuizen, W. Marques, J. F. van Straten, J. Premaratne, S. P. Zou, X. Ali, H. Muthusubramanian, N. Zachariadis, C. van Someren, J. Beekman, M. Haider, N. Bruno, A. Almudever, C. G. Matsuura, A. Y. DiCarlo, L. |
| author_facet | Moreira, M. S. Guerreschi, G. G. Vlothuizen, W. Marques, J. F. van Straten, J. Premaratne, S. P. Zou, X. Ali, H. Muthusubramanian, N. Zachariadis, C. van Someren, J. Beekman, M. Haider, N. Bruno, A. Almudever, C. G. Matsuura, A. Y. DiCarlo, L. |
| contents | Artificial neural networks are becoming an integral part of digital solutions to complex problems. However, employing neural networks on quantum processors faces challenges related to the implementation of non-linear functions using quantum circuits. In this paper, we use repeat-until-success circuits enabled by real-time control-flow feedback to realize quantum neurons with non-linear activation functions. These neurons constitute elementary building blocks that can be arranged in a variety of layouts to carry out deep learning tasks quantum coherently. As an example, we construct a minimal feedforward quantum neural network capable of learning all 2-to-1-bit Boolean functions by optimization of network activation parameters within the supervised-learning paradigm. This model is shown to perform non-linear classification and effectively learns from multiple copies of a single training state consisting of the maximal superposition of all inputs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2212_10742 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Realization of a quantum neural network using repeat-until-success circuits in a superconducting quantum processor Moreira, M. S. Guerreschi, G. G. Vlothuizen, W. Marques, J. F. van Straten, J. Premaratne, S. P. Zou, X. Ali, H. Muthusubramanian, N. Zachariadis, C. van Someren, J. Beekman, M. Haider, N. Bruno, A. Almudever, C. G. Matsuura, A. Y. DiCarlo, L. Quantum Physics Artificial neural networks are becoming an integral part of digital solutions to complex problems. However, employing neural networks on quantum processors faces challenges related to the implementation of non-linear functions using quantum circuits. In this paper, we use repeat-until-success circuits enabled by real-time control-flow feedback to realize quantum neurons with non-linear activation functions. These neurons constitute elementary building blocks that can be arranged in a variety of layouts to carry out deep learning tasks quantum coherently. As an example, we construct a minimal feedforward quantum neural network capable of learning all 2-to-1-bit Boolean functions by optimization of network activation parameters within the supervised-learning paradigm. This model is shown to perform non-linear classification and effectively learns from multiple copies of a single training state consisting of the maximal superposition of all inputs. |
| title | Realization of a quantum neural network using repeat-until-success circuits in a superconducting quantum processor |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2212.10742 |