All-optically tunable buffer for single photons.
Opt Lett
; 43(9): 2138-2141, 2018 May 01.
Article
en En
| MEDLINE
| ID: mdl-29714765
ABSTRACT
We demonstrate a photon buffer for quantum communication systems via a quantum frequency conversion-dispersion technique based on Bragg scattering four-wave mixing. The all-fiber setup is capable of imparting all-optical and continuously tunable delays onto single photons with minimal photon noise and absorption. Tunable delays up to 23 times the photon duration are demonstrated with on/off efficiencies as high as 55%.
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