Abstract
In this study, an optical switch based on two-dimensional photonic crystals is presented for the slow light regime. This regime enhances light–matter interaction and can be used to design low-power all-optical devices. Due to slow light properties in photonic crystals, the maximum flat band for the group index of 8 was obtained. The threshold light intensity was reduced to 16 mW/µm2 in comparison with other works. The maximum rise and fall times were calculated about 1 ps, which means the switching frequency is about 1 THz. The total footprint of the proposed switch is 5.5 × 9 µm2, which makes the possibility for optical integration.
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Daghooghi, T., Soroosh, M. & Ansari-Asl, K. Low-power all-optical switch based on slow light photonic crystal. Photon Netw Commun 43, 177–184 (2022). https://doi.org/10.1007/s11107-022-00977-9
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DOI: https://doi.org/10.1007/s11107-022-00977-9