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oe1(光电查) - 科学论文

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  • Polarization Controlled Dual Functional Reflective Planar Metalens in Near Infrared Regime

    摘要： The metalens has been a hotspot in scienti?c communications in recent years. The polarization-controlled functional metalens is appealing in metalens investigation. We propose a metalens with dual functions that are controlled by polarization states. In the ?rst design, when applied with x- and y-polarized light, two focal spots with di?erent focal lengths are acquired, respectively. The proposed metalens performs well when illuminated with adjacent wavelengths. In the second design, the re?ected light is focused when applied with x-polarized light, and when applied with y-polarized light, the re?ected light is split into two oblique paths. We believe that the results will provide a new method in light manipulation.

    关键词： splitting,focusing,dual functional-metalens,polarization controlling

    更新于2025-09-23 15:19:57

  • [Springer Theses] CMOS-Compatible Key Engineering Devices for High-Speed Silicon-Based Optical Interconnections || Summary and Future Work

    摘要： This dissertation mainly focuses on four important scientific problems in silicon photonics, i.e., silicon electro-optic modulator, advanced multiplexing mechanism, polarization controlling and fiber-to-chip coupling. It systematically puts forward the design theory of silicon electro-optic modulator, investigates advanced multiplexing mechanisms, studies polarization-controlling devices, and explores fiber-to-chip coupling techniques. The research demonstrates high-performance devices fabricated with commercial 130 nm CMOS process, including a high-speed carrier-depletion silicon electro-optic modulator, WDM devices, PDM devices, MDM devices, and ultra-compact polarization splitter-rotators. The work aims to contribute to the field of silicon photonics by providing CMOS-compatible solutions for high-speed silicon-based optical interconnections.

    关键词： multiplexing mechanism,CMOS-compatible,fiber-to-chip coupling,polarization controlling,electro-optic modulator,silicon photonics

    更新于2025-09-10 09:29:36