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On‐chip dual‐mode all‐optical multifunctional logic unit based on multimode FWMs
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On‐chip dual‐mode all‐optical multifunctional logic unit based on multimode FWMs
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On‐chip dual‐mode all‐optical multifunctional logic unit based on multimode FWMs
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Journal Article
On‐chip dual‐mode all‐optical multifunctional logic unit based on multimode FWMs
2024
Overview
An on‐chip dual‐mode all‐optical multifunctional logic operation unit including four AND and two OR logic gates is proposed and experimentally demonstrated. It is realized using multiple intra‐mode four‐wave mixing (FWM) processes in a multimode silicon waveguide for 2 × 10 Gbit/s non‐return‐to‐zero on–off‐keying (NRZ‐OOK) mode‐division multiplexing signals. The AND logic operation is realized via the non‐degenerate FWM processes, and the OR logic operation is realized by overlapping the two degenerate FWM idlers in frequency domain via appropriately selecting the dual‐mode pump wavelength. The two OR and four AND logic sequences are verified with NRZ‐OOK sequences for both TE0 and TE1 modes. We propose and experimentally demonstrate an on‐chip dual‐mode all‐optical multifunctional logic operation unit including four AND and two OR logic gates. It is realized using multiple intra‐mode four‐wave mixing (FWM) processes in a multimode silicon waveguide for 2 × 10 Gbit/s non‐return‐to‐zero on–off‐keying (NRZ‐OOK) mode‐division multiplexing signals. The two OR and four AND logic sequences are verified with NRZ‐OOK sequences for both TE0 and TE1 modes.
