Using sum-frequency generation we fully up-convert signal photons at 1550 nm to 775 nm. Due to coupling and filtering losses at the output, overall quantum efficiency is /spl sime/3.4% with dark-count probability of 3%.
Frequency up-conversion at the single-photon level in a periodically-poled lithium-niobate waveguide
2005 Quantum Electronics and Laser Science Conference ; 1 ; 661-663 Vol. 1
2005-01-01
1449113 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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