Laser Focus World coverage of single-photon detection via upconversion in PPLN waveguides

05/01/2012
By John Wallace
Senior Editor

Long-wavelength pumped, periodically poled lithium niobate waveguides upconvert single photons, allowing efficient, low-noise silicon avalanche photodiodes to detect the signal.

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Last modified Fri, 25 May, 2012 at 11:23