Efficient spatially resolved multimode quantum memory

K Surmacz, J Nunn, K Reim, KC Lee, VO Lorenz, B Sussman, IA Walmsley, D Jaksch

Research output: Contribution to journalArticlepeer-review

47 Citations (SciVal)


Light storage in atomic ensembles has been implemented successfully, but the retrieval efficiency can be low. We propose to improve this efficiency with appropriately phase-matched backward propagating retrieval. This method allows for easy spatial filtering of the retrieved light; in addition, multiple optical modes can be stored in the transverse momentum of the ensemble. We model walk-off effects with a full numerical simulation, and confirm the applicability of the scheme.
Original languageEnglish
Pages (from-to)033806
Number of pages1
JournalPhysical Review A
Issue number3
Publication statusPublished - 8 Sept 2008


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