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View article: A Wavelength‐Scale Silk Protein Color Filter Array for Ultra‐High‐Resolution 80k DPI Displays
A Wavelength‐Scale Silk Protein Color Filter Array for Ultra‐High‐Resolution 80k DPI Displays Open
The manifestation of color is either obtained through intrinsic quantum mechanical properties of materials (absorption or fluorescence) or through structural materials at the scale corresponding to the wavelength of light. Particularly, st…
View article: Colloidal-quantum-dot nanolaser oscillating at a bound-state-in-the-continuum with planar surface topography for a high <i>Q</i>-factor
Colloidal-quantum-dot nanolaser oscillating at a bound-state-in-the-continuum with planar surface topography for a high <i>Q</i>-factor Open
Solution-based optical gain materials offer a cost-effective path to coherent light sources. Further, bound states in the continuum (BICs) have garnered great interest owing to their diverging quality ( Q ) factors. Therefore, a hybrid of …
View article: 1,550-nm photonic crystal surface-emitting laser diode fabricated by single deep air-hole etch
1,550-nm photonic crystal surface-emitting laser diode fabricated by single deep air-hole etch Open
Photonic crystal surface-emitting lasers (PCSELs) are promising light sources with numerous advantages, including vertical emission, single-mode operation, and high output power. However, the fabrication of PCSEL devices requires advanced …
View article: Ammonia Plasma Surface Treatment for Enhanced Cu–Cu Bonding Reliability for Advanced Packaging Interconnection
Ammonia Plasma Surface Treatment for Enhanced Cu–Cu Bonding Reliability for Advanced Packaging Interconnection Open
With the emergence of 3D stacked semiconductor products, such as high-bandwidth memory, bonding-interface reliability cannot be overemphasized. The condition of the surface interface before bonding is important and can substantially affect…
View article: Recording and Revealing 2.5D Nanopatterned Hidden Information on Silk Protein Bioresists
Recording and Revealing 2.5D Nanopatterned Hidden Information on Silk Protein Bioresists Open
Nanopatterning on biomaterials has attracted significant attention as it can lead to the development of biomedical devices capable of performing diagnostic and therapeutic functions while being biocompatible. Among various nanopatterning t…
View article: Structurally engineered colloidal quantum dot phosphor using TiO2 photonic crystal backbone
Structurally engineered colloidal quantum dot phosphor using TiO2 photonic crystal backbone Open
Photonic crystal (PhC) phosphor, in which the phosphor material is periodically modulated for an enhancement in color-conversion efficiency via resonant absorption of excitation photons, is a paradigm-shifting structural phosphor platform.…
View article: Photonic crystal L3 cavity laser fabricated using maskless digital photolithography
Photonic crystal L3 cavity laser fabricated using maskless digital photolithography Open
Projection photolithography using an extreme-ultraviolet light source is the core technology that has enabled patterning on the scale of a few nanometers that is required for modern electronic chips. However, this high-end system is neithe…
View article: Submicrometer-scale pattern generation via maskless digital photolithography
Submicrometer-scale pattern generation via maskless digital photolithography Open
Maskless photolithography based on digital micromirror devices (DMDs) is considered the next-generation low-cost lithographic technology. However, DMD-based digital photolithography has been implemented only for micrometer-scale pattern ge…
View article: Lasing at Multidimensional Topological States in a Two-Dimensional Photonic Crystal Structure
Lasing at Multidimensional Topological States in a Two-Dimensional Photonic Crystal Structure Open
Recently, topologically engineered photonic structures have garnered significant attention as their eigenstates may offer a new insight on photon manipulation and an unconventional route for nanophotonic devices with unprecedented function…
View article: Supplementary document for Submicron-scale pattern generation via maskless digital photolithography - 4947365.pdf
Supplementary document for Submicron-scale pattern generation via maskless digital photolithography - 4947365.pdf Open
Supplementary information
View article: High-Contrast Infrared Absorption Spectroscopy via Mass-Produced Coaxial Zero-Mode Resonators with Sub-10 nm Gaps
High-Contrast Infrared Absorption Spectroscopy via Mass-Produced Coaxial Zero-Mode Resonators with Sub-10 nm Gaps Open
We present a wafer-scale array of resonant coaxial nanoapertures as a practical platform for surface-enhanced infrared absorption spectroscopy (SEIRA). Coaxial nanoapertures with sub-10 nm gaps are fabricated via photolithography, atomic l…
View article: Anderson localizations and photonic band-tail states observed in compositionally disordered platform
Anderson localizations and photonic band-tail states observed in compositionally disordered platform Open
The strength of photon localization in the band-tail states is determined by the degree of disorder and state energy.
View article: Efficient on-chip integration of a colloidal quantum dot photonic crystal band-edge laser with a coplanar waveguide
Efficient on-chip integration of a colloidal quantum dot photonic crystal band-edge laser with a coplanar waveguide Open
High-density photonic integrated circuits (PICs) are expected to replace their current electronic counterparts in the future. The most crucial prerequisite for realizing successful PICs is to develop a low-loss coupling technique between a…
View article: Biocompatible, optically transparent, patterned, and flexible electrodes and radio-frequency antennas prepared from silk protein and silver nanowire networks
Biocompatible, optically transparent, patterned, and flexible electrodes and radio-frequency antennas prepared from silk protein and silver nanowire networks Open
We demonstrated biocompatible, optically transparent and flexible electrodes by embedding AgNWs just below the surface of the silk fibroin film.
View article: Enhanced light outcoupling of polymer light-emitting diodes with a solution-processed, -flattening photonic-crystal underlayer
Enhanced light outcoupling of polymer light-emitting diodes with a solution-processed, -flattening photonic-crystal underlayer Open
The solution-processed gallium-doped zinc oxide (GZO) layer was used as an anode-flattening photonic-crystal (PC) underlayer to enhance the light outcoupling of polymer light-emitting diodes (PLEDs). A corrugated PC surface was directly co…
View article: Effective mobility enhancement of amorphous In-Ga-Zn-O thin-film transistors by holographically generated periodic conductor
Effective mobility enhancement of amorphous In-Ga-Zn-O thin-film transistors by holographically generated periodic conductor Open
In this study, we demonstrate a mobility enhancement structure for fully transparent amorphous indium-gallium-zinc-oxide thin-film transistors (a-IGZO TFTs) by embedding a holographically generated periodic nano-conductor in the back-chann…