We report a nonlinear optical upconversion 3D imaging system for infrared radiation enabled by zinc indiffused MgO:PPLN waveguides. While raster-scanning a scene with an 1800 nm pulsed-laser source, we record time-of-flight information, thus probing the 3D structure of various objects in the scene of interest. Through upconversion, the 3D information is transferred from 1800 nm to 795 nm, a wavelength accessible to single-photon avalanche diode (SPAD).


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    Title :

    Single-photon infrared waveguide-based upconversion imaging


    Contributors:
    Smith, R. (author) / Ndagano, B. (author) / Redonnet-Brown, G. (author) / Weaver, A. (author) / Astill, A. (author) / White, H. (author) / Gawith, C. B. E. (author) / McKnight, L. J. (author)

    Conference:

    Electro-optical and Infrared Systems: Technology and Applications XIX ; 2022 ; Berlin,Germany


    Published in:

    Proc. SPIE ; 12271


    Publication date :

    2022-11-02





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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