Nonlinear photonic chips can generate and process signals all-optically with far superior
performance to that possible electronically—particularly with respect to speed. Although …

The unique and striking material properties of chalcogenide glasses have been studied for
decades, providing applications in the electronics industry, imaging and more recently in …

The ability to amplify optical signals is of pivotal importance across science and technology
typically using rare-earth-doped fibres or gain media based on III–V semiconductors. A …

Optical amplifiers are essential in numerous photonic applications. Parametric amplifiers,
relying on a nonlinear material to create amplification, are uniquely promising as they can …

CMOS platforms operating at the telecommunications wavelength either reside within the
highly dissipative two-photon regime in silicon-based optical devices, or possess small …

We demonstrate sub-picosecond wavelength conversion in the C-band via four wave mixing
in a 45cm long high index doped silica spiral waveguide. We achieve an on/off conversion …

Optical parametric amplification (OPA) represents a powerful solution to achieve broadband
amplification in wavelength ranges beyond the scope of conventional gain media, for …

We report measurements of the third order optical nonlinearity of 51 chalcogenide glasses in
the near infrared. Substituting more polarizable elements (Se for S, Sb for As) into the …

• This paper reviews the literature on nursing competence measurement and reports the
results of a comparative quantitative study of the competencies of Project 2000 diplomates …

We experimentally investigate four-wave mixing (FWM) in short (80 μm) dispersion-
engineered slow light silicon photonic crystal waveguides. The pump, probe and idler …