Quantum parametric mode sorting: A case study on small angle scattering

Shenyu Zhu, Yong Meng Sua, Yongxiang Hu, Carl Weimer, Zhaohui Ma, Zipei Zheng, Patrick Rehain, Knut Stamnes, Yingzhen Zhou, Jennifer H. Lee, Yu Ping Huang

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Quantum parametric mode sorting has been shown to enable photon counting with precise time gating and exceptional noise rejection that significantly exceeds what is possible with linear filters. While previous experimental demonstrations were in a collinear optical configuration, its response to off-axis scattering must be understood to apply it more broadly in remote sensing missions. To evaluate this prospect, we use a laboratory testbed to examine its performance for detecting photons at small angles, along both forward and backward directions, after passing through strongly scattering media. Our results find no measurable degradation in detecting noncollinear photons along both directions. This finding indicates that the key intra-pulse coherence essential to quantum parametric mode sorting is maintained at a small scattering angle, permitting its applications on a moving platform.

Original languageEnglish
Pages (from-to)D15-D21
JournalJournal of the Optical Society of America B: Optical Physics
Volume38
Issue number10
DOIs
StatePublished - 1 Oct 2021

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