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Multimode Fiber Relays Complex Image Data

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Deep learning helps to unscramble signal information received from thousands of channels known as spatial fiber modes.

Eirini Kakkava, Babak Rahmani, Christophe Moser, and Demetri Psaltis École Polytechnique Fédérale de Lausanne (EPFL)

Single-mode optical fibers are well known for revolutionizing high-speed telecommunications. Due to their low loss, they transport information encoded in light for kilometers-long distances. A single-mode fiber carries just one spatial mode — but at a very high modulation rate. The ever-increasing volumes and data-transmission speeds required by various industries, such as telecommunications and medical instrumentation, are creating demand for multimode fiber, which provides multiple spatial channels in the same fiber conduit. A conceptual image of a neural network being trained...Read full article

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