Here is the paper:
Nanophotonic media for artificial neural inference<p><a href="https://www.osapublishing.org/DirectPDFAccess/41E7D08F-B350-8845-B8759C2673CBA96C_415059/prj-7-8-823.pdf?da=1&id=415059&seq=0&mobile=no" rel="nofollow">https://www.osapublishing.org/DirectPDFAccess/41E7D08F-B350-...</a>