Abstract
In this paper, we propose an all-optical 8-to-3 encoder based on photonic crystal. The structure includes 17 waveguides to make the appropriate connections between the input and the output ports. Interference at cross-connects of the waveguides results in light propagation in the desired paths. This issue reduces the needed optical intensity at input ports as well as 100 mW/μm2. Low-power operation of the structure avoids the occurrence of nonlinear effects. Also, neither resonant cavity nor resonant ring is employed in the structure which makes possible to operate at a wide range of photonic bandgaps. The maximum delay time for the presented device is obtained about 5 ps. The total footprint of the proposed structure is 510 μm2, which means it can be employed in optical integrated circuits.
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Haddadan, F., Soroosh, M. Low-power all-optical 8-to-3 encoder using photonic crystal-based waveguides. Photon Netw Commun 37, 83–89 (2019). https://doi.org/10.1007/s11107-018-0795-3
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DOI: https://doi.org/10.1007/s11107-018-0795-3