4.8 Article

Superresolving Multiphoton Interferences with Independent Light Sources

Journal

PHYSICAL REVIEW LETTERS
Volume 109, Issue 23, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.109.233603

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Funding

  1. Universitatsbund Erlangen-Nurnberg e.V.
  2. Erlangen Graduate School in Advanced Optical Technologies (SAOT) by the German Research Foundation (DFG)
  3. United Kingdom Engineering and Physical Sciences Research Council
  4. Elite Network of Bavaria
  5. Engineering and Physical Sciences Research Council [EP/H041222/1] Funding Source: researchfish
  6. EPSRC [EP/H041222/1] Funding Source: UKRI

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We propose to use multiphoton interferences from statistically independent light sources in combination with linear optical detection techniques to enhance the resolution in imaging. Experimental results with up to five independent thermal light sources confirm this approach to improve the spatial resolution. Since no involved quantum state preparation or detection is required, the experiment can be considered an extension of the Hanbury Brown-Twiss experiment for spatial intensity correlations of order N > 2. DOI: 10.1103/PhysRevLett.109.233603

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