Slow light beam splitter

Yanhong Xiao, Mason Klein, Michael Hohensee, Liang Jiang, David F. Phillips, Mikhail D. Lukin, Ronald L. Walsworth

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

We demonstrate a slow light beam splitter using rapid coherence transport in a wall-coated atomic vapor cell. We show that particles undergoing random and undirected classical motion can mediate coherent interactions between two or more optical modes. Coherence, written into atoms via electromagnetically induced transparency using an input optical signal at one transverse position, spreads out via ballistic atomic motion, is preserved by an antirelaxation wall coating, and is then retrieved in outgoing slow light signals in both the input channel and a spatially-separated second channel. The splitting ratio between the two output channels can be tuned by adjusting the laser power. The slow light beam splitter may improve quantum repeater performance and be useful as an all-optical dynamically reconfigurable router.

Original languageEnglish (US)
Article number043601
JournalPhysical Review Letters
Volume101
Issue number4
DOIs
StatePublished - Jul 25 2008
Externally publishedYes

Fingerprint

beam splitters
light beams
repeaters
ballistics
optical communication
adjusting
vapors
coatings
output
cells
lasers
atoms
interactions

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Xiao, Y., Klein, M., Hohensee, M., Jiang, L., Phillips, D. F., Lukin, M. D., & Walsworth, R. L. (2008). Slow light beam splitter. Physical Review Letters, 101(4), [043601]. https://doi.org/10.1103/PhysRevLett.101.043601

Slow light beam splitter. / Xiao, Yanhong; Klein, Mason; Hohensee, Michael; Jiang, Liang; Phillips, David F.; Lukin, Mikhail D.; Walsworth, Ronald L.

In: Physical Review Letters, Vol. 101, No. 4, 043601, 25.07.2008.

Research output: Contribution to journalArticle

Xiao, Y, Klein, M, Hohensee, M, Jiang, L, Phillips, DF, Lukin, MD & Walsworth, RL 2008, 'Slow light beam splitter', Physical Review Letters, vol. 101, no. 4, 043601. https://doi.org/10.1103/PhysRevLett.101.043601
Xiao Y, Klein M, Hohensee M, Jiang L, Phillips DF, Lukin MD et al. Slow light beam splitter. Physical Review Letters. 2008 Jul 25;101(4). 043601. https://doi.org/10.1103/PhysRevLett.101.043601
Xiao, Yanhong ; Klein, Mason ; Hohensee, Michael ; Jiang, Liang ; Phillips, David F. ; Lukin, Mikhail D. ; Walsworth, Ronald L. / Slow light beam splitter. In: Physical Review Letters. 2008 ; Vol. 101, No. 4.
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