HAL will be down for maintenance from Friday, June 10 at 4pm through Monday, June 13 at 9am. More information
Skip to Main content Skip to Navigation
Journal articles

Experimental realization of a quantum optical tap

Jean-Philippe Poizat 1 Philippe Grangier 1
1 Laboratoire Charles Fabry de l'Institut d'Optique / Optique quantique
LCFIO - Laboratoire Charles Fabry de l'Institut d'Optique
Abstract : We have realized a system which is able to read out information encoded on the amplitude of a laser beam without degrading the signal-to-noise ratio of the carrier. This has been implemented using the two-photon cross-phase-modulation effect of a three-level system in a sodium atomic beam located in a doubly resonant optical cavity. We have achieved an improvement by a factor of 1.35 of the overall information transer compared to any classical optical tap, where a perfect quantum duplicator would reach the ideal value of 2.
Document type :
Journal articles
Complete list of metadata

Cited literature [16 references]  Display  Hide  Download

Contributor : Philippe Grangier Connect in order to contact the contributor
Submitted on : Friday, April 15, 2016 - 3:19:57 PM
Last modification on : Wednesday, September 16, 2020 - 5:45:40 PM
Long-term archiving on: : Saturday, July 16, 2016 - 1:22:33 PM


Publisher files allowed on an open archive




Jean-Philippe Poizat, Philippe Grangier. Experimental realization of a quantum optical tap. Physical Review Letters, American Physical Society, 1993, 70, pp.271-274. ⟨10.1103/PhysRevLett.70.271⟩. ⟨hal-00559077⟩



Record views


Files downloads