Color Erasure Detectors Enable Chromatic Interferometry

Luo-Yuan Qu, Jordan Cotler, Fei Ma, Jian-Yu Guan, Ming-Yang Zheng, Xiuping Xie, Yu-Ao Chen, Qiang Zhang, Frank Wilczek, and Jian-Wei Pan
Phys. Rev. Lett. 123, 243601 – Published 9 December 2019
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Abstract

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. We demonstrate chromatic interferometry experimentally, observing robust interference using both coherent and incoherent photon sources.

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  • Received 15 July 2019

DOI:https://doi.org/10.1103/PhysRevLett.123.243601

© 2019 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Luo-Yuan Qu1,2,3, Jordan Cotler4, Fei Ma1,2,3, Jian-Yu Guan1,2, Ming-Yang Zheng3, Xiuping Xie3, Yu-Ao Chen1,2, Qiang Zhang1,2,3, Frank Wilczek5,6,7,8,9, and Jian-Wei Pan1,2

  • 1Shanghai Branch, National Laboratory for Physical Sciences at Microscale and Department of Modern Physics University of Science and Technology of China, Shanghai 201315, People’s Republic of China
  • 2CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, Shanghai Branch, University of Science and Technology of China, Shanghai 201315, People’s Republic of China
  • 3Jinan Institute of Quantum Technology, Jinan 250101, People’s Republic of China
  • 4Stanford Institute for Theoretical Physics, Stanford University, Stanford, California 94305, USA
  • 5Center for Theoretical Physics, MIT, Cambridge, Massachusetts 02139, USA
  • 6T. D. Lee Institute, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China
  • 7Wilczek Quantum Center, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China
  • 8Department of Physics, Stockholm University, Stockholm SE-106 91 Sweden
  • 9Department of Physics and Origins Project, Arizona State University, Tempe, Arizona 25287, USA

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Issue

Vol. 123, Iss. 24 — 13 December 2019

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