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Ultrafast and magneto-optical spectroscopy of semiconductor heterostructures
This thesis presents spectroscopic results using semiconductor heterostructures important for both applied and fundamental physics. First, we studied short-period superlattices of InAs and GaSb that suggest a promising ...
Subradiant, superradiant and Fano resonances in dimer and ring/disk nanocavities
Subradiant and superradiant plasmon modes in ring/disk nanocavities and dialers are investigated theoretically and experimentally. The subradiance is obtained through an overall reduction of the total dipole moment of the ...
Novel symmetric and asymmetric plasmonic nanostructures
Metal-dielectric nanostructures capable of supporting electromagnetic resonances at optical frequencies are the vital component of the emerging technology called plasmonics. Plasmon is the electromagnetic wave confined at ...
Plasmonic Manipulation of Light for Sensing and Photovoltaic Applications
Plasmonics is a successful new field of science and technology that exploits the exclusive optical properties of metallic nanostructures to manipulate and concentrate light at nano-meter length scales. When light hits the ...
Terahertz imaging with compressive sensing
Most existing terahertz imaging systems are generally limited by slow image acquisition due to mechanical raster scanning. Other systems using focal plane detector arrays can acquire images in real time, but are either too ...