Microscopic two-level system (TLS) defects at dielectric surfaces and interfaces are among the dominant sources of loss in superconducting quantum circuits, and their properties have been extensively ...

On-chip optical filters are fundamental components in optical signal processing. While rare-earth ion-doped crystals offer ultra-narrow optical filtering via spectral hole burning, their applications ...

·Proposed a new paradigm for nanoantenna design using coupled-mode theory. ·Designed an OC-Hµ resonator with excellent sensing performance. ·Using OC-Hµ resonators for biomolecule recognition and ...

To solve this problem, scientists from Hong Kong developed a new type of spectrometer using dispersion-engineered coupled resonators, which resemble a two-level molecule. Different free-spectral ...

(Nanowerk Spotlight) Ultra-narrow optical features with a spectral bandwidth below 1 megahertz are highly sought-after for applications in ultrahigh-precision sensing, narrow-band filtering, and ...

Aston University researchers have developed a new class of optical microresonators, miniature optical devices that strongly confine and enhance light in microscopic dimensions. They are essential ...

Resonators are devices that exhibit resonance, a phenomenon where a system oscillates with greater amplitude at specific frequencies. In the context of nanotechnology, resonators are nanoscale ...

A team of researchers has developed a new type of imaging sensor that uses both light and sound to create detailed pictures ...