The generation, manipulation, storage, and detection of single photons play a central role in
emerging photonic quantum information technology. Individual photons serve as flying …

The controlled generation of non-classical states of light is a challenging task at the heart of
quantum optics. Aside from the mere spirit of science, the related research is strongly driven …

The fine structure of excitons is studied by magnetophotoluminescence spectroscopy of
single self-assembled In (Ga) As/(Al) GaAs quantum dots. Both strength and orientation of …

We demonstrate coupling and entangling of quantum states in a pair of vertically aligned,
self-assembled quantum dots by studying the emission of an interacting electron-hole pair …

Nanoscale science and technology is a young and burgeoning field that encompasses
nearly every discipline of science and engineering. With rapid advances in areas such as …

Self-assembled strained semiconductor nanostructures have been grown on GaAs
substrates to fabricate quantum dot infrared photodetectors. State-filling photoluminescence …

Carrier relaxation is a key issue in determining the efficiency of semiconductor
optoelectronic device operation. Devices incorporating semiconductor quantum dots have …

We investigate factors which control the optical properties of quantum dots filled with N
excitons. Detailed calculation of the electronic structure of these excitonic artificial atoms is …

Intermediate band solar cells (IBSCs) fabricated to date from In (Ga) As/GaAs quantum dot
arrays (QD-IBSC) exhibit a quantum efficiency (QE) that extends to below bandgap …

Inorganic nanocrystals with well–defined shapes are important for understanding basic size–
dependent scaling laws, and may be useful in a wide range of applications. Methods for …