Open AccessSingle photon MIR upconversion detector at room temperature with a PPLN ridge waveguide
Author(s) -
Lucien Lehmann,
Ludovic Grossard,
Laurent Delage,
François Reynaud,
Mathieu Chauvet,
Florent Bassignot
Publication year - 2019
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.27.019233
Subject(s) - photon upconversion , optics , detector , waveguide , ridge , materials science , noise equivalent power , optoelectronics , infrared , photon , energy conversion efficiency , noise (video) , physics , laser , responsivity , paleontology , biology , artificial intelligence , computer science , image (mathematics)
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.