The secure transmission of an image can be accomplished by encoding the image
information, securely communicating this information, and subsequently reconstructing the …

Stimulated-emission tomography (SET) is an excellent tool for characterizing the process of
spontaneous parametric down conversion (SPDC), which is commonly used to create pairs …

Structured light, where complex optical fields are tailored in all their degrees of freedom, has
become highly topical of late, advanced by a sophisticated toolkit comprising both linear and …

This joint issue of Optics Express and Optical Materials Express showcases 29 articles that
report the latest advancements in nonlinear optics. These articles include contributions from …

The technique of stimulated emission tomography (SET) provides excellent characterization
of SPDC sources of bi-photon states since it increases the average number of photons …

Recent progress in the study of the non-classical macroscopic state of light sheds light on
the characterization of high-gain spontaneous parametric down-conversion (SPDC) …