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Creators/Authors contains: "Sun, Yuze"

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  1. ; ; ; (, Optical Materials Express)
    We report a novel ultra-thin metalens design based on photonic crystal slab (PCS) resonance modes. We experimentally verified with a metalens structure based on amorphous silicon on a quartz material platform by implementing the optical guided resonance on the PCS. The PCS metalens designs feature an ultra-thin device layer of about 160 nm at an operation wavelength of 940 nm. A full 2π transmission phase transition is realized by varying the air hole sizes at the design wavelength. Metalens devices with different phase change gradients were designed and fabricated to achieve different NAs. A maximum of 86.4% focusing efficiency is achieved. Imaging capabilities are characterized, and clear images are observed within the field of view. The PC resonance-based phase modulation design can be applied to optical beam manipulation, phase plate design, imaging, and laser beam formation applications. 
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  2. ; ; ; (, Optica Publishing Group)
    We report a novel metalens design based on photonic crystal slab (PCS) resonance modes. By implementing the PCS resonance on an amorphous silicon on quartz platform, we experimentally verified with a focusing metalens phase plate. 
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  3. ; ; ; ; (, IEEE Photonics Journal)
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  4. ; ; ; ; (, ACS Applied Materials & Interfaces)
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  5. ; (, Optics Express)
  6. ; (, Frontiers in Optics)
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  7. ; ; ; (, ACS Photonics)
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