Publications by authors named "Ji-Eun Yeo"
Article Synopsis
- - Recent advancements in nanophotonics have led to new methods of light-matter interactions at the nanoscale, vital for applications like optical encryption and color displays, but face challenges in energy-efficient tuning and light interaction strength.
- - The introduction of electrochromic nanopixels made with hybrid nanowires and polyaniline (PANI) allows for dual optical capabilities, enabling a color change from red to green and blue while operating at low voltage levels suitable for existing technology.
- - By optimizing light-matter interaction through PANI's transition properties and scaling up production to larger wafers, these devices can encrypt multiple bits of data—up to 10 bits per unit cell—demonstrating significant potential for advanced optical data storage and
Article Synopsis
- Butterfly wings have unique micro/nanostructures that create their bright colors and ability to reflect light, inspiring new technological developments.
- The Emerald Swallowtail butterfly’s wing scales exhibit striking colors due to their complex hierarchical structures, which current technologies struggle to replicate.
- This study presents a novel way to create artificial wing scales with simpler designs that still achieve vibrant colors and retroreflective properties, enabling applications in sensors and gas detection.
With the rise of mobile robotics, including self-driving automobiles and drones, developing artificial vision for high-contrast and high-acuity imaging in vertically uneven illumination conditions has become an important goal. In such situations, balancing uneven illumination, improving image contrast for facile object detection, and achieving high visual acuity in the main visual fields are key requirements. Meanwhile, in nature, cuttlefish (genus ) have evolved an eye optimized for vertically uneven illumination conditions, which consists of a W-shaped pupil, a single spherical lens, and a curved retina with a high-density photoreceptor arrangement and polarized light sensitivity.
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