Search for: [Description = "This paper would like to propose a novel microring resonator based on 4 ×4 multimode interference \(MMI\) couplers. The device acts as two separate microring resonators just in one structure. The transfer matrix method and the three dimensional beam propagation method \(3D\-BPM\) are used to verify the working principle of the device. The device is then designed on silicon on insulator \(SOI\) technology. This device may be a very promising building block for optical switches, filters, add\-drop multiplexers, delay lines and modulators."]

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