Title :
Frequency up-conversion at the single-photon level in a periodically-poled lithium-niobate waveguide
Author :
Dugan, Sarah W. ; Li, Xiaoying ; Voss, Paul L. ; Kumar, Prem
Author_Institution :
Dept. of Electr. & Comput. Eng., Northwestern Univ., Evanston, IL, USA
Abstract :
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 ≃3.4% with dark-count probability of 3%.
Keywords :
lithium compounds; optical fibre communication; optical fibre filters; optical fibre losses; optical frequency conversion; optical materials; optical pumping; photon counting; probability; wavelength division multiplexing; 1550 to 775 nm; LiNbO3; coupling loss; dark-count probability; filtering loss; frequency up-conversion; periodically-poled lithium-niobate waveguide; quantum efficiency; single-photon level; sum-frequency generation; Band pass filters; Erbium-doped fiber amplifier; Frequency conversion; Optical fiber polarization; Optical filters; Optical waveguides; Pulse amplifiers; Pulse measurements; Pulse modulation; Temperature;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1548888
