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Optics Letters

Optics Letters


  • Vol. 27, Iss. 23 — Dec. 2, 2002
  • pp: 2115–2117

Efficient generation of tunable photon pairs at 0.8 and 1.6 µm

Elliott J. Mason, Marius A. Albota, Friedrich König, and Franco N. C. Wong  »View Author Affiliations

Optics Letters, Vol. 27, Issue 23, pp. 2115-2117 (2002)

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We demonstrate efficient generation of collinearly propagating, highly nondegenerate photon pairs in a periodically poled lithium niobate cw parametric downconverter with an inferred pair generation rate of 1.4×107/s/mW of pump power. Detection of an 800-nm signal photon triggers a thermoelectrically cooled 20%-efficient InGaAs avalanche photodiode for the detection of the 1600-nm conjugate idler photon. Using single-mode fibers as spatial mode filters, we obtain a signal-conditioned idler-detection probability of ~3.1%.

© 2002 Optical Society of America

OCIS Codes
(030.5260) Coherence and statistical optics : Photon counting
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(270.0270) Quantum optics : Quantum optics
(270.5570) Quantum optics : Quantum detectors

Elliott J. Mason, Marius A. Albota, Friedrich König, and Franco N. C. Wong, "Efficient generation of tunable photon pairs at 0.8 and 1.6 µm," Opt. Lett. 27, 2115-2117 (2002)

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