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View article: Near‐Field Nanospectroscopy and Mode Mapping of Lead Telluride Hoppercubes
Near‐Field Nanospectroscopy and Mode Mapping of Lead Telluride Hoppercubes Open
Lead chalcogenides are compelling materials for nanophotonics and optoelectronics due to their high refractive indices, extreme thermo‐optic coefficients, and high transparency in the mid‐infrared (MIR). In this study, PbTe hoppercubes (HC…
View article: From monolayer to thin films: engineered bandgap in CVD grown Bi<sub>2</sub>Se<sub>(3−<i>x</i>)</sub>S<sub><i>x</i></sub> topological insulator alloys
From monolayer to thin films: engineered bandgap in CVD grown Bi<sub>2</sub>Se<sub>(3−<i>x</i>)</sub>S<sub><i>x</i></sub> topological insulator alloys Open
CVD enabled scalable growth of topological insulator alloys Bi 2 Se (3− x ) S x with a composition-tunable bandgap, free from surface-state pinning.
View article: High-Index Topological Insulator Resonant Nanostructures from Bismuth Selenide
High-Index Topological Insulator Resonant Nanostructures from Bismuth Selenide Open
Topological insulators (TIs) are a class of materials characterized by an insulting bulk and high mobility topologically protected surface states, making them promising candidates for future optoelectronic and quantum devices. Although the…
View article: Deep‐Subwavelength Resonant Meta‐Optics Enabled by Ultra‐High Index Topological Insulators
Deep‐Subwavelength Resonant Meta‐Optics Enabled by Ultra‐High Index Topological Insulators Open
In nanophotonics, small mode volumes, high‐quality factor resonances, and large field enhancements without metals fundamentally scale with the refractive index and are key for many implementations involving light‐matter interactions. Topol…
View article: Temperature invariant metasurfaces
Temperature invariant metasurfaces Open
Thermal effects are well known to influence the electronic and optical properties of materials through several physical mechanisms and are the basis for various optoelectronic devices. The thermo-optic (TO) effect, the refractive index var…
View article: Temperature Invariant Metasurfaces
Temperature Invariant Metasurfaces Open
Thermal effects are well known to influence the electronic and optical properties of materials through several physical mechanisms and are the basis for various optoelectronic devices. The thermo-optic (TO) effect - the refractive index va…
View article: Deep-subwavelength resonant metaphotonics enabled by high-index topological insulator bismuth telluride
Deep-subwavelength resonant metaphotonics enabled by high-index topological insulator bismuth telluride Open
In nanophotonics, small mode volumes, high-quality factor (Q) resonances, and large field enhancements without metals, fundamentally scale with the refractive index and are key for many implementations involving light-matter interactions. …
View article: Amorphous Selenium Mie Resonators for Infrared Meta-Optics
Amorphous Selenium Mie Resonators for Infrared Meta-Optics Open
Applying direct growth and deposition of optical surfaces holds great promise for the advancement of future nanophotonic technologies. Here, we report on a chemical vapor deposition (CVD) technique for depositing amorphous selenium (a-Se) …
View article: Thermally Reconfigurable Meta-Optics
Thermally Reconfigurable Meta-Optics Open
Metasurfaces are two-dimensional nanostructures that allow unprecedented control of light through engineering the amplitude, phase, and polarization across meta-atom resonators. Adding tunability to metasurface components would boost their…
View article: Thermal tuning capabilities of semiconductor metasurface resonators
Thermal tuning capabilities of semiconductor metasurface resonators Open
Metasurfaces exploit optical phase, amplitude, and polarization engineering at subwavelength dimensions to achieve unprecedented control of light. The realization of all dielectric metasurfaces has led to low-loss flat optical elements wit…
View article: Thermal tuning capabilities of semiconductor metasurface resonators
Thermal tuning capabilities of semiconductor metasurface resonators Open
Metasurfaces exploit optical phase, amplitude, and polarization engineering at subwavelength dimensions to achieve unprecedented control of light. The realization of all dielectric metasurfaces has led to low-loss flat optical elements wit…
View article: Thermo-optically Reconfigurable PbTe Mie Resonator Meta-atoms
Thermo-optically Reconfigurable PbTe Mie Resonator Meta-atoms Open
Subwavelength Mie resonators have enabled new classes of optical antennas1-4, photodetectors5,6, antireflection coatings7, and magnetic mirrors8 and can act as the basic meta-atoms constituents of low-loss dielectric metasurfaces2-4,8-10. …