%0 Journal Article %1 Giovannini2015Spatially %A Giovannini, Daniel %A Romero, Jacquiline %A Potocek, Václav %A Ferenczi, Gergely %A Speirits, Fiona %A Barnett, Stephen M. %A Faccio, Daniele %A Padgett, Miles J. %D 2015 %I American Association for the Advancement of Science %J Science %K optics %N 6224 %P 857--860 %R 10.1126/science.aaa3035 %T Spatially structured photons that travel in free space slower than the speed of light %U http://dx.doi.org/10.1126/science.aaa3035 %V 347 %X We are taught that the speed of light in free space is one of the universal physical constants: c. Giovannini et al. now show that there are certain conditions under which such certainty can be broken (see the Perspective by Sambles). Adding spatial structure to an optical beam of single photons reduced the speed of light. The magnitude of the decrease depended on the complexity of the structure imprinted onto the photons.

@article{Giovannini2015Spatially, abstract = {{We are taught that the speed of light in free space is one of the universal physical constants: c. Giovannini et al. now show that there are certain conditions under which such certainty can be broken (see the Perspective by Sambles). Adding spatial structure to an optical beam of single photons reduced the speed of light. The magnitude of the decrease depended on the complexity of the structure imprinted onto the photons.}}, added-at = {2019-02-26T15:22:34.000+0100}, author = {Giovannini, Daniel and Romero, Jacquiline and Poto\v{c}ek, V\'{a}clav and Ferenczi, Gergely and Speirits, Fiona and Barnett, Stephen M. and Faccio, Daniele and Padgett, Miles J.}, biburl = {https://www.bibsonomy.org/bibtex/2210ef7ebc6be9c089c4251824197eb40/rspreeuw}, citeulike-article-id = {13499278}, citeulike-linkout-0 = {http://dx.doi.org/10.1126/science.aaa3035}, citeulike-linkout-1 = {http://www.sciencemag.org/content/early/2015/01/21/science.aaa3035.abstract}, citeulike-linkout-2 = {http://www.sciencemag.org/content/early/2015/01/21/science.aaa3035.full.pdf}, citeulike-linkout-3 = {http://view.ncbi.nlm.nih.gov/pubmed/25612608}, citeulike-linkout-4 = {http://www.hubmed.org/display.cgi?uids=25612608}, day = 20, doi = {10.1126/science.aaa3035}, interhash = {1815b097672ebacbe7b9da8de4d4ff0a}, intrahash = {210ef7ebc6be9c089c4251824197eb40}, issn = {1095-9203}, journal = {Science}, keywords = {optics}, month = feb, number = 6224, pages = {857--860}, pmid = {25612608}, posted-at = {2015-02-20 14:00:13}, priority = {2}, publisher = {American Association for the Advancement of Science}, timestamp = {2019-02-26T15:22:34.000+0100}, title = {{Spatially structured photons that travel in free space slower than the speed of light}}, url = {http://dx.doi.org/10.1126/science.aaa3035}, volume = 347, year = 2015 }