Thresholded Quantum LIDAR: Exploiting Photon-Number-Resolving Detection

Lior Cohen*, Elisha S. Matekole, Yoni Sher, Daniel Istrati, Hagai S. Eisenberg, Jonathan P. Dowling

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

We present a technique that improves the signal-to-noise-ratio (SNR) of range-finding, sensing, and other light-detection applications. The technique filters out low photon numbers using photon-number-resolving detectors. This technique has no classical analog and cannot be done with classical detectors. We investigate the properties of our technique and show under what conditions the scheme surpasses the classical SNR. Finally, we simulate the operation of a rangefinder, showing improvement with a low number of signal samplings and confirming the theory with a high number of signal samplings.

Original languageAmerican English
Article number203601
JournalPhysical Review Letters
Volume123
Issue number20
DOIs
StatePublished - 11 Nov 2019

Bibliographical note

Funding Information:
L.?C., E.?S.?M., and J.?P.?D. would like to acknowledge support from the Air Force Office of Scientific Research, the Army Research Office, the Defense Advanced Research Projects Agency, and the National Science Foundation.

Publisher Copyright:
© 2019 American Physical Society.

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