Implicit Neural Representation as a Differentiable Surrogate for Photon Propagation in a Monolithic Neutrino Detector. - Minjie Lei; Ka Vang Tsang; Sean Gasiorowski; Chuan Li; Youssef S. G. Nashed; Gianluca Petrillo; Olivia Piazza; Daniel Ratner; Kazuhiro Terao (CoRR, 2022)