Results 81 to 90 of about 7,053 (306)
Improved Disorder Resilience in Small‐Footprint Photonic Cavities with Periodicity Breaking
Advanced Optical Materials, EarlyView.Compact photonic crystal cavities with engineered aperiodicity are demonstrated to sustain high quality factormodes and enhanced reproducibility within a minimal footprint. Combining numerical optimization and near‐field measurements, the study reveals how controlled periodicity breaking improves disorder resilience, offering a robust and scalable ...
Nicoletta Granchi +7 more
wiley +1 more source
Stacked Time‐Varying Metasurfaces
Advanced Optical Materials, EarlyView.Stacked, spatially uniform, time‐modulated metasurfaces replace cumbersome in‐plane modulation. A general design framework optimizes independently programmed temporal functions across cylindrical meta‐atom arrays with time‐varying plasma/collision frequencies, yielding magnet‐free isolation at the carrier and a temporal circulator analogue.
Mostafa Movahediqomi +3 more
wiley +1 more source
Generalized Honeycomb-Structured Materials in the Subwavelength Regime
SIAM Journal on Applied Mathematics23 pages, 4 figures.
Borui Miao, Yi Zhu
openaire +2 more sources
Advanced Optical Materials, EarlyView.Photoluminescence spectroscopy is introduced as a qualitative method to probe light absorption in highly phase‐pure GaAs nanowire arrays and single nanowires, for which direct absorption measurements are challenging. Using defect‐line saturation and the exciton‐to‐plasma transition as indicators for the density of photogenerated charge carriers, a ...
Francisca Marín +3 more
wiley +1 more source
Micromachines, 2011 Research in recent years has greatly advanced the understanding and capabilities of multi-beam interference (MBI). With this technology it is now possible to generate a wide range of one-, two-, and three-dimensional periodic optical-intensity ...
Thomas K. Gaylord, Guy M. Burrow
doaj +1 more source
Micromachined Double‐Membrane Mechanically Tunable Metamaterial for Thermal Infrared Filtering
Advanced Photonics Research, Volume 6, Issue 5, May 2025.Herein, a mechanically tunable double‐layer plasmonic metamaterial leveraging the extraordinary optical transmission effect observed in subwavelength arrays of openings within thin metal layers is presented. The concept is experimentally validated by integrating the proposed metamaterial structure into an electrostatic parallel‐plate actuator to create
Oleg Bannik +7 more
wiley +1 more source
Design of Plasmonic Modulators With Vanadium Dioxide on Silicon-on-Insulator
IEEE Photonics Journal, 2017 We present design of plasmonic modulators using vanadium dioxide (VO2) as modulating material realized on silicon-on-insulator (SOI) wafer with only 200 nm × 140 nm modulating section within 1 μ m × 3 μm device ...
Miao Sun +2 more
doaj +1 more source
Improving External Quantum Efficiency by Subwavelength Nano Multi-Layered Structures for Optoelectronic Devices [PDF]
, 2020 Dong Wang +4 more
openalex +1 more source
Advanced Photonics Research, EarlyView.This review highlights recent advances in accelerating luminescence in nanostructures through cooperative emission, resonator coupling, and nonlocal light–matter interactions. By unifying concepts such as excitonic superradiance, superfluorescence, and the plasmonic Purcell effect, it reveals physical limits of ultrafast emission and their potential ...
Masaaki Ashida +3 more
wiley +1 more source
IEEE Photonics Journal, 2015 An all-optical-fiber orbital angular momentum (OAM) mode generator is designed based on the effective medium theory. The generator is formed by many coaxial vortex structures with the same height and gradually decreasing width following the azimuth angle,
Bin Zhou +3 more
doaj +1 more source