LONDON, England, Dec. 18 -- Nature Photonics, a peer-reviewed journal that says it features light generation, manipulation and detection, published research articles on the following topics in its December 2021 edition:

Articles:

* Robust, efficient, micrometre-scale phase modulators at visible wavelengths

* Ultrafast timing enables reconstruction-free positron emission imaging

* Femtosecond pulses from a mid-infrared quantum cascade laser