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On-chip Fano-like Resonator With a High Slope and Low-complexity Fabrication Processing
IEEE Photonics Journal
Fano resonators have attracted great attention due to their high extinction ratio and sharp asymmetric line shape. And Fano-like resonators have also been investigated and analyzed in plenty of fields, such as optical sensing, signal processing and so on. We propose and demonstrate a Fano-like resonator with a high slope rate (SR) and low-complexity fabrication processing. Our scheme is based on a symmetrical 2 × 2 multimode interferometer (MMI) and two parallel microring resonators (MRRs)doi:10.1109/jphot.2022.3141147 fatcat:c5jozerarvevpmaxjsw7hboxry