Researchers observe excitation enhancement in plasmonic antenna despite the presence of strong quenching losses affecting the emission.
Advanced Optical Materials
Improved materials for all-optical signal processing
Alex Jen and co-workers publish work describing a new series of anionic polymethine dyes, designed for application in improved guest-host materials.
Advanced Optical Materials Issue 4
Issue 4 of Advanced Optical Materials covers optical cloaking, holography, lithography, and more. All articles are free to read.
Highly Unidirectional Emission from Ultrahigh-Q Microcavities
A new type of on-chip microcavities has been realized, which features both highly unidirectional emission and ultra-high-Q factors in the near infrared.
Towards Quantum Dot Lasers with Temperature Independent Threshold
Carefully engineered CdSe/CdS colloidal quantum dots show an almost constant amplified spontaneous emission threshold over a temperature range from 5–325 K.
Near-Field Enhancements along Ring-Shaped Nanostructures
The near-field enhancement on the surface of ring-shaped gold nanostructure becomes homogeneous through circularly polarized light.
Plasmon Bands in Gold-Silver Nanorods
Researchers from The Chinese University of Hong Kong have shown that there are four plasmon bands in (Au core)−(Ag shell) nanorods.
Large-Area Low-Cost Gold Nanostructures through Colloidal Nanolithography
Double split-ring resonators with optimized Fano resonances for refractive index sensing could be realised by hole-mask colloidal nanolithography.
Tunable Organic Distributed Feedback Lasers
The emission of polymer distributed feedback lasers can be tuned by integrating nonlinear optical organic molecules.
Broadband Plasmonic Response of Semiconductor Disks
The plasmonic behavior of touching semiconductor disks shows a highly efficient broadband response in the terahertz regime as predicted by theoretical studies.
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