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Journal Articles Optics Express Year : 2019

Single photon MIR upconversion detector at room temperature with a PPLN ridge waveguide

Abstract

In this paper we describe an upconversion detector in the mid infrared (around 3.5 μm). We take advantage of the PPLN ridge waveguide technology to achieve single photon detection at room temperature on a single spatial mode. With a pump power of 192 mW we obtain a detection efficiency of 0.4% for 22k dark count per second, which corresponds to a noise equivalent power of 3.0 fW · Hz−1/2 and an internal conversion efficiency of 85 %/W of pump.

Dates and versions

hal-02382660 , version 1 (27-11-2019)

Identifiers

Cite

Lucien Lehmann, Ludovic Grossard, Laurent Delage, François Reynaud, Mathieu Chauvet, et al.. Single photon MIR upconversion detector at room temperature with a PPLN ridge waveguide. Optics Express, 2019, 27 (14), pp.19233-19241. ⟨10.1364/OE.27.019233⟩. ⟨hal-02382660⟩
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