Classification of Single Photons in Higher-Order Spatial Modes via Convolutional Neural Networks
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arXiv
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| Format: | Preprint |
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2024
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| author | Bart, Manon P. Dawanse, Sita Savino, Nicholas J. Tran, Viet Wang, Tianhong Lohani, Sanjaya Nefissi, Farris Bassène, Pascal N'Gom, Moussa Glasser, Ryan T. |
| author_facet | Bart, Manon P. Dawanse, Sita Savino, Nicholas J. Tran, Viet Wang, Tianhong Lohani, Sanjaya Nefissi, Farris Bassène, Pascal N'Gom, Moussa Glasser, Ryan T. |
| contents | Spatial modes are a promising candidate for encoding information for classical and quantum optical communication due to their potential high information capacity. Unfortunately, compensation of the wavefront upon propagation through the atmosphere is necessary to benefit from advantages spatial modes offer. In this work, we leverage the success of convolutional networks in denoising and classifying images to improve information transfer of spatial modes. Hermite-Gauss, Laguerre-Gauss, and Ince-Gauss modes are experimentally generated using single photons and imaged. A denoising autoencoder corrects for turbulence effects on the wavefront, followed by a convolutional neural network to classify mode orders. The model achieves a 99.2% classification accuracy across all modes, and Hermite-Gauss modes exhibited the highest individual mode accuracy. As the convolutional networks rely solely on intensity, they offer an efficient and cost-effective tool for optical communication systems in the single photon limit. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_07560 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Classification of Single Photons in Higher-Order Spatial Modes via Convolutional Neural Networks Bart, Manon P. Dawanse, Sita Savino, Nicholas J. Tran, Viet Wang, Tianhong Lohani, Sanjaya Nefissi, Farris Bassène, Pascal N'Gom, Moussa Glasser, Ryan T. Optics Spatial modes are a promising candidate for encoding information for classical and quantum optical communication due to their potential high information capacity. Unfortunately, compensation of the wavefront upon propagation through the atmosphere is necessary to benefit from advantages spatial modes offer. In this work, we leverage the success of convolutional networks in denoising and classifying images to improve information transfer of spatial modes. Hermite-Gauss, Laguerre-Gauss, and Ince-Gauss modes are experimentally generated using single photons and imaged. A denoising autoencoder corrects for turbulence effects on the wavefront, followed by a convolutional neural network to classify mode orders. The model achieves a 99.2% classification accuracy across all modes, and Hermite-Gauss modes exhibited the highest individual mode accuracy. As the convolutional networks rely solely on intensity, they offer an efficient and cost-effective tool for optical communication systems in the single photon limit. |
| title | Classification of Single Photons in Higher-Order Spatial Modes via Convolutional Neural Networks |
| topic | Optics |
| url | https://arxiv.org/abs/2412.07560 |