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8 March 2023 Few-mode fibers as optical dendrites for 40 Gbps computing
Silvia Ortín, Miguel C. Soriano, Ingo Fischer, Claudio R. Mirasso, Apostolos Argyris
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Proceedings Volume 12427, Optical Interconnects XXIII; 1242706 (2023) https://doi.org/10.1117/12.2647695
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
We show the computational power of few-mode fibers (FMF) in a 40 Gbps spatiotemporal coincidence detector scheme. We consider a 5.5 m step-index FMF, with a 16.6 μm core diameter, as the medium that introduces various delays to a temporal input pulse, via the supported propagation fiber modes. In our representation, the different group velocities of the excited fiber modes define equivalent optical dendritic branches. A 1550 nm laser’s optical output is modulated by a 40 Gbps binary sequence and coupled to the FMF. The output optical pattern is photodetected by a 3×3 array and used to solve successfully a 6-bit header classification task.
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Silvia Ortín, Miguel C. Soriano, Ingo Fischer, Claudio R. Mirasso, and Apostolos Argyris "Few-mode fibers as optical dendrites for 40 Gbps computing", Proc. SPIE 12427, Optical Interconnects XXIII, 1242706 (8 March 2023); https://doi.org/10.1117/12.2647695
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KEYWORDS
Photodetectors
Dendrites
Design and modelling
Wave propagation
Beam propagation method
Laser optics
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