Journal ArticleDOI
Printable Nanocomposite Metalens for High-Contrast Near-Infrared Imaging
TLDR
In this paper, a printable metalense composed of a silicon nanocomposite is developed to overcome the manufacturing limitations of conventional metalenses. The nanocompositionite is synthesized by dispersing silicon n...Abstract:
Printable metalenses composed of a silicon nanocomposite are developed to overcome the manufacturing limitations of conventional metalenses. The nanocomposite is synthesized by dispersing silicon n...read more
Citations
More filters
Journal ArticleDOI
Holographic metasurface gas sensors for instantaneous visual alarms.
Inki Kim,Won-Sik Kim,Kwan Kim,Muhammad Afnan Ansari,Muhammad Qasim Mehmood,Trevon Badloe,Yeseul Kim,Junho Gwak,Heon Lee,Young-Ki Kim,Junsuk Rho +10 more
TL;DR: In this article, a compact sensor platform that integrates liquid crystals and holographic metasurfaces is proposed to autonomously sense the existence of a volatile gas and provide an immediate visual holographic alarm.
Journal ArticleDOI
Metasurface-Driven Optically Variable Devices.
C. U. Jung,Gyeongtae Kim,Minsu Jeong,Jaehyuck Jang,Zhaogang Dong,Trevon Badloe,Joel K. W. Yang,Joel K. W. Yang,Junsuk Rho +8 more
TL;DR: Metasurface-driven OVDs (mOVDs) can contain multiple optical responses in a single device, making them difficult to reverse engineered as discussed by the authors, which can provide a more robust solution for optical anti-counterfeiting.
Journal ArticleDOI
Novel Spin‐Decoupling Strategy in Liquid Crystal‐Integrated Metasurfaces for Interactive Metadisplays
Muhammad Naveed,Joohoon Kim,Isma Noreen Javed,Muhammad Afnan Ansari,Junhwa Seong,Y. Massoud,Trevon Badloe,In-Cheol Kim,Kashif Riaz,Muhammad Zubair,Muhammad Qasim Mehmood,Junsuk Rho +11 more
TL;DR: In this paper , a simple asymmetric spin-orbit interaction (SOI)-based technique is realized for multifunctional metaoptics, employing only a single unit cell, breaking the conventional tradeoff between design complexity and efficient asymmetric transmission efficiency.
Journal ArticleDOI
Electrically Tunable Bifocal Metalens with Diffraction-Limited Focusing and Imaging at Visible Wavelengths
TL;DR: In this paper, an electrically controllable bifocal metalens at visible wavelengths by incorporating a metasurface designed to focus light at two different focal lengths, with liquid crystals to actively manipulate the focal length of the metalens through the application of an external bias.
Journal ArticleDOI
Photonic Encryption Platform via Dual-Band Vectorial Metaholograms in the Ultraviolet and Visible.
Joo-Suc Kim,Dongmin Jeon,Junhwa Seong,Trevon Badloe,Nara Jeon,Gyeong Uk Kim,Jaekyung Kim,Sang Hun Baek,Jong-Lam Lee,Junsuk Rho +9 more
TL;DR: In this article , a dual-band vectorial metahologram in the visible and ultraviolet (UV) regimes for optical encryption was proposed. But the proposed scheme is limited to the use of a pixelated metasurface.
References
More filters
Journal ArticleDOI
Kerker‐Conditioned Dynamic Cryptographic Nanoprints
Journal ArticleDOI
Facile Nanocasting of Dielectric Metasurfaces with Sub-100 nm Resolution
TL;DR: This work presents a facile nanocasting technique to fabricate dielectric metasurfaces at low cost and high throughput and will be a promising nanofabrication platform, and thereby facilitate commercialization of dielectrics.
Journal ArticleDOI
Geometric metasurface enabling polarization independent beam splitting.
TL;DR: The designed metasurface beam splitter can be applied to generate equal-intensity beams for entangled photon light sources in quantum optics, and the design approach provides a way to develop ultra-thin broadband polarization independent components for modern optics.
Journal ArticleDOI
Wavelength-decoupled geometric metasurfaces by arbitrary dispersion control
TL;DR: In this paper, a wavelength-decoupled multicolor metahologram is proposed that enables to control chromatic phase responses independently in a full range from 0 to 2π for each wavelength.
Journal ArticleDOI
Multifunctional Metasurfaces Based on Direct Nanoimprint of Titania Sol–Gel Coatings
Simona Checcucci,Simona Checcucci,Thomas Bottein,Massimo Gurioli,Luc Favre,David Grosso,Marco Abbarchi +6 more
TL;DR: In this paper, a sol-gel deposition and nano-imprint lithography method is used to obtain Titania-based Mie resonators over large areas (several mm 2), showing that this platform can potentially be exploited for light management with different devices.