This paper reviews new approaches to size‐controlled silicon‐nanocrystal synthesis. These
approaches allow narrowing of the size distribution of the nanocrystals compared with those …

Nanocrystals (NCs), representing a zero-dimensional system, are an ideal platform for
exploring quantum phenomena on the nanoscale, and are expected to play a major role in …

The growing demand for instant and reliable communication means that photonic circuits
are increasingly finding applications in optical communications systems. One of the prime …

In this article the luminescence properties of Si nanocrystals nc formed by plasma enhanced
chemical vapor deposition and their interaction with Er ions introduced by ion implantation …

Three different broadband sensitization concepts for optically active erbium ions are
reviewed: 1) silicon nanocrystals, with absorption over the full visible spectrum, efficiently …

Optical gain at 1.54 μm in erbium-doped silicon-rich silicon oxide (SRSO) is demonstrated.
Er-doped SRSO thin film was fabricated by electron-cyclotron resonance enhanced …

In the present article, a detailed study of the optical properties of the Er-doped Si
nanocrystals system, obtained through ion implantation of Er in samples containing Si …

Light emission from rare-earth doped materials is a rapidly growing field thanks to the
promise of integration of existing semiconductor technology with emission at technologically …

In this letter, the role of amorphous Si clusters in the excitation of Er implanted in
substoichiometric SiO x films will be elucidated. It will be shown that the temperature of the …

Sensitization of Er emission by Si nanoclusters (Si-nc) is investigated with pulsed and
continuous optical pum**, in and off resonance with excited states of Er 3+ ion. We show …