The large amount of light emitted from a light emitting diode (LED) being trapped inside the
semiconductor structure is the consequence of the large value of the refractive index. The …

Energetic ion beams with diverse energies, species and beam dimensions have been
extensively utilized to modify the properties of materials to achieve versatile applications in …

The advance of nanophotonics has provided a variety of avenues for light–matter interaction
at the nanometer scale through the enriched mechanisms for physical and chemical …

Spatial differentiation is important in image-processing applications such as image
sharpening and edge-based segmentation. In these applications, of particular importance is …

The assembly of semiconductor nanowires and carbon nanotubes into nanoscale devices
and circuits could enable diverse applications in nanoelectronics and photonics. Individual …

Photonic bandgap crystals can reflect light for any direction of propagation in specific
wavelength ranges,,. This property, which can be used to confine, manipulate and guide …

We reveal experimentally waveguiding characteristics and group-velocity dispersion of line
defects in photonic crystal slabs as a function of defect widths. The defects have …

Research activity in chemical gas sensing is currently directed towards the search for highly
selective (bio) chemical layer materials, and to the design of arrays consisting of different …

Since the advent of quantum mechanics and the clear demonstration of the existence
of'matter waves', physicists have never failed to take advantage of concepts and theoretical …

A photonic bandgap is a range of wavelengths wherein light is forbidden from entering a
photonic crystal, similar to the electronic bandgap in semiconductors. Fabricating photonic …