Single-point material recognition by quantum parametric mode sorting and photon counting

Daniel Tafone, Irwin Huang, Patrick Rehain, Shenyu Zhu, Yong Meng Sua, Yuping Huang

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We explore an active illumination approach to remote material recognition, based on quantum parametric mode sorting and single-photon detection. By measuring a photon's time of flight at picosecond resolution, 97.8% recognition is demonstrated by illuminating only a single point on the materials. Thanks to the exceptional detection sensitivity and noise rejection, a high recognition accuracy of 96.1% is achieved even when the materials are occluded by a lossy and multiscattering obscurant.

Original languageEnglish
Pages (from-to)4109-4112
Number of pages4
JournalApplied Optics
Volume60
Issue number14
DOIs
StatePublished - 10 May 2021

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