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Article Dans Une Revue Scientific Reports Année : 2019

Microwave signal switching on a silicon photonic chip

Résumé

Microwave photonics uses light to carry and process microwave signals over a photonic link. However, light can instead be used as a stimulus to microwave devices that directly control microwave signals. Such optically controlled amplitude and phase-shift switches are investigated for use in reconfigurable microwave systems, but they suffer from large footprint, high optical power level required for switching, lack of scalability and complex integration requirements, restricting their implementation in practical microwave systems. Here, we report Monolithic Optically Reconfigurable Integrated Microwave Switches (MORIMSs) built on a CMOS compatible silicon photonic chip that addresses all of the stringent requirements. Our scalable micrometer-scale switches provide higher switching efficiency and require optical power orders of magnitude lower than the state-of-the-art. Also, it opens a new research direction on silicon photonic platforms integrating microwave circuitry. This work has important implications in reconfigurable microwave and millimeter wave devices for future communication networks.
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Dates et versions

hal-02381369 , version 1 (26-11-2019)

Identifiants

Citer

Cheng-Yi Fang, Hung-Hsi Lin, Mehdi Alouini, Yeshaiahu Fainman, Abdelkrim El Amili. Microwave signal switching on a silicon photonic chip. Scientific Reports, 2019, 9 (1), pp.11166. ⟨10.1038/s41598-019-47683-7⟩. ⟨hal-02381369⟩
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