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Title: Color Erasure Detectors Enable Chromatic Interferometry

Journal Article · · Physical Review Letters
 [1];  [2]; ORCiD logo [1];  [3];  [4];  [4];  [3]; ORCiD logo [1];  [5];  [3]
  1. University of Science and Technology of China, Shanghai (China); Jinan Institute of Quantum Technology (China)
  2. Stanford Univ., CA (United States)
  3. University of Science and Technology of China, Shanghai (China)
  4. Jinan Institute of Quantum Technology (China)
  5. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Shanghai Jiao Tong Univ. (China); Stockholm Univ. (Sweden); Arizona State Univ., Tempe, AZ (United States)

By engineering and manipulating quantum entanglement between incoming photons and experimental apparatus, we construct single-photon detectors which cannot distinguish between photons of very different wavelengths. These color-erasure detectors enable a new kind of intensity interferometry, with potential applications in microscopy and astronomy. In this work, we demonstrate chromatic interferometry experimentally, observing robust interference using both coherent and incoherent photon sources.

Research Organization:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE Office of Science (SC); National Key Research and Development Program of China; National Natural Science Foundation of China (NSFC); Chinese Academy of Sciences (CAS); Swedish Research Council (VR); Fannie and John Hertz Foundation; European Research Council (ERC)
Grant/Contract Number:
SC0012567; 335-2014-7424; 742104
OSTI ID:
1802391
Journal Information:
Physical Review Letters, Vol. 123, Issue 24; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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