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Quantum reference beacon-guided superresolution optical focusing in complex media

Author(s)
Kim, Donggyu; Englund, Dirk R.
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Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/
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Abstract
Optical scattering is generally considered to be a nuisance of microscopy that limits imaging depth and spatial resolution. Wavefront shaping techniques enable optical imaging at unprecedented depth, but attaining superresolution within complex media remains a challenge. We used a quantum reference beacon (QRB), consisting of solid-state quantum emitters with spin-dependent fluorescence, to provide subwavelength guidestar feedback for wavefront shaping to achieve a superresolution optical focus. We implemented the QRB-guided imaging with nitrogen-vacancy centers in diamond nanocrystals, which enable optical focusing with a subdiffraction resolution below 186 nanometers (less than half the wavelength). QRB-assisted wavefront-shaping should find use in a range of applications, including deep-tissue quantum enhanced sensing and individual optical excitation of magnetically coupled spin ensembles for applications in quantum information processing.
Date issued
2019-02
URI
https://hdl.handle.net/1721.1/121337
Department
Massachusetts Institute of Technology. Department of Mechanical Engineering; Massachusetts Institute of Technology. Research Laboratory of Electronics; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Journal
Science
Publisher
American Association for the Advancement of Science (AAAS)
Citation
Kim, Donggyu and Dirk R. Englund. "Quantum reference beacon-guided superresolution optical focusing in complex media." Science 363, 6426 (February 2019): 528-531 © 2019 American Association for the Advancement of Science
Version: Original manuscript
ISSN
0036-8075
1095-9203

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