%0 Journal Article %1 Kocsis2011Observing %A Kocsis, Sacha %A Braverman, Boris %A Ravets, Sylvain %A Stevens, Martin J. %A Mirin, Richard P. %A Shalm, L. Krister %A Steinberg, Aephraim M. %D 2011 %I American Association for the Advancement of Science %J Science %K interferometer, single-photon %N 6034 %P 1170--1173 %R 10.1126/science.1202218 %T Observing the Average Trajectories of Single Photons in a Two-Slit Interferometer %U http://dx.doi.org/10.1126/science.1202218 %V 332 %X A consequence of the quantum mechanical uncertainty principle is that one may not discuss the path or ” trajectory” that a quantum particle takes, because any measurement of position irrevocably disturbs the momentum, and vice versa. Using weak measurements, however, it is possible to operationally define a set of trajectories for an ensemble of quantum particles. We sent single photons emitted by a quantum dot through a double-slit interferometer and reconstructed these trajectories by performing a weak measurement of the photon momentum, postselected according to the result of a strong measurement of photon position in a series of planes. The results provide an observationally grounded description of the propagation of subensembles of quantum particles in a two-slit interferometer.

@article{Kocsis2011Observing, abstract = {{A consequence of the quantum mechanical uncertainty principle is that one may not discuss the path or ” trajectory” that a quantum particle takes, because any measurement of position irrevocably disturbs the momentum, and vice versa. Using weak measurements, however, it is possible to operationally define a set of trajectories for an ensemble of quantum particles. We sent single photons emitted by a quantum dot through a double-slit interferometer and reconstructed these trajectories by performing a weak measurement of the photon momentum, postselected according to the result of a strong measurement of photon position in a series of planes. The results provide an observationally grounded description of the propagation of subensembles of quantum particles in a two-slit interferometer.}}, added-at = {2019-02-26T15:22:34.000+0100}, author = {Kocsis, Sacha and Braverman, Boris and Ravets, Sylvain and Stevens, Martin J. and Mirin, Richard P. and Shalm, L. Krister and Steinberg, Aephraim M.}, biburl = {https://www.bibsonomy.org/bibtex/2dac1a971d73e783fce4dd4fa52921f80/rspreeuw}, citeulike-article-id = {9371229}, citeulike-linkout-0 = {http://dx.doi.org/10.1126/science.1202218}, citeulike-linkout-1 = {http://www.sciencemag.org/content/332/6034/1170.abstract}, citeulike-linkout-2 = {http://www.sciencemag.org/content/332/6034/1170.full.pdf}, citeulike-linkout-3 = {http://view.ncbi.nlm.nih.gov/pubmed/21636767}, citeulike-linkout-4 = {http://www.hubmed.org/display.cgi?uids=21636767}, day = 03, doi = {10.1126/science.1202218}, interhash = {605eee15d7c227cbb38b5a563562d35d}, intrahash = {dac1a971d73e783fce4dd4fa52921f80}, issn = {1095-9203}, journal = {Science}, keywords = {interferometer, single-photon}, month = jun, number = 6034, pages = {1170--1173}, pmid = {21636767}, posted-at = {2011-06-06 13:57:57}, priority = {2}, publisher = {American Association for the Advancement of Science}, timestamp = {2019-02-26T15:22:34.000+0100}, title = {{Observing the Average Trajectories of Single Photons in a Two-Slit Interferometer}}, url = {http://dx.doi.org/10.1126/science.1202218}, volume = 332, year = 2011 }