The development of diagnostic and therapeutic nanoparticles for biomedical applications is
of broad current interest in science, engineering, and medicine. The fundamental basis is …

Coinage metals, such as Au, Ag, and Cu, have been important materials throughout
history.(1) Although in ancient cultures they were admired primarily for their ability to reflect …

Nanoantennas for visible and infrared radiation can strongly enhance the interaction of light
with nanoscale matter by their ability to efficiently link propagating and spatially localized …

Optical microcavities that confine light in high-Q resonance promise all of the capabilities
required for a successful next-generation microsystem biodetection technology. Label-free …

Optical antennas are an emerging concept in physical optics. Similar to radiowave and
microwave antennas, their purpose is to convert the energy of free propagating radiation to …

Nanoscience and nanotechnology are recent revolutionary developments of science and
engineering that are evolving at a very fast pace. They are driven by the desire to fabricate …

In recent years, surface-enhanced Raman scattering (SERS) of a molecule/metal–
semiconductor hybrid system has attracted considerable interest and regarded as the …

Surface-enhanced Raman spectroscopy (SERS) has long been considered as a
noninvasive technique that can obtain the fingerprint vibrational information of surface …

The recently emerged fields of metamaterials and transformation optics promise a family of
exciting applications such as invisibility, optical imaging with deeply subwavelength …

Surface enhanced Raman scattering (SERS) at extremely high enhancement level turns the
weak inelastic scattering effect of photons on vibrational quantum states into a structurally …