Precise motion control improves manufacturing of fiber optical microresonators. Florian Warken and Arno Rauschenbeutel, University of Mainz, and Thomas Bartholomäus, Newport Spectra-Physics GmbHThe advent of tunable narrowband lasers in the 1970s gave scientists a powerful tool to control and probe atoms and molecules, opening the door to an exciting world of quantum physics. When atoms and molecules are exposed to the intense electromagnetic fields created by laser light, they can be cooled and trapped, becoming prime objects for studying and illustrating interactions between light and matter at the ultimate microscopic level. Because the propagation of light can be manipulated only through material devices, the control of light and matter interactions at the atomic and quantum...Read full articleRelated content from Photonics MediaArticlesFree-Space Optical Communications Soar with the Satellite SectorFree-space optics (FSO) and systems are uniquely valuable in enabling fast and secure connectivity, both in terrestrial and nonterrestrial networks. With major advancements in space optics over the...Photonics Spectra February 2023 IssueOn-Board Optics Expand Bandwidth and Reduce Power Use in the Data CenterCo-packaged optics (CPO) and on-board optics (OBO) are not novel concepts, per se. 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