Improved Spatial Resolution Achieved by Chromatic Intensity Interferometry
Abstract
Interferometers are widely used in imaging technologies to achieve enhanced spatial resolution, but require that the incoming photons be indistinguishable. In previous work, we built and analyzed color erasure detectors which expand the scope of intensity interferometry to accommodate sources of different colors. Here we demonstrate experimentally how color erasure detectors can achieve improved spatial resolution in an imaging task, well beyond the diffraction limit. Utilizing two 10.9 mm-aperture telescopes and a 0.8 m baseline, we measure the distance between a 1063.6 nm source and a 1064.4 nm source separated by 4.2 mm at a distance of 1.43 km, which surpasses the diffraction limit of a single telescope by about 40 times. Moreover, chromatic intensity interferometry allows us to recover the phase of the Fourier transform of the imaged objects – a quantity that is, in the presence of modest noise, inaccessible to conventional intensity interferometry.
- Authors:
-
[1];
[2];
- Univ. of Science and Technology, Hefei (China); Univ. of Science and Technology, Shanghai (China); Shanghai Research Center for Quantum Sciences (China)
- Univ. of Science and Technology, Hefei (China); Univ. of Science and Technology, Shanghai (China); Shanghai Research Center for Quantum Sciences (China); Jinan Institute of Quantum Technology (China)
- Harvard Univ., Cambridge, MA (United States)
- Jinan Institute of Quantum Technology (China)
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Shanghai Jiao Tong Univ. (China); Stockholm Univ. (Sweden); Arizona State Univ., Tempe, AZ (United States)
- Publication Date:
- Research Org.:
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC); National Key R&D Program of China, National Natural Science Foundation of China; Chinese Academy of Sciences; Shanghai Municipal Science and Technology Major Project; Anhui Initiative in Quantum Information Technologies; European Research Council (ERC); Swedish Research Council (SRC)
- OSTI Identifier:
- 1851684
- Grant/Contract Number:
- SC0012567; 2018YFB0504300; 2019SHZDZX; 335-2014-7424
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 127; Journal Issue: 10; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 74 ATOMIC AND MOLECULAR PHYSICS
Citation Formats
Liu, Lu-Chuan, Qu, Luo-Yuan, Wu, Cheng, Cotler, Jordan, Ma, Fei, Zheng, Ming-Yang, Xie, Xiu-Ping, Chen, Yu-Ao, Zhang, Qiang, Wilczek, Frank, and Pan, Jian-Wei. Improved Spatial Resolution Achieved by Chromatic Intensity Interferometry. United States: N. p., 2021.
Web. doi:10.1103/physrevlett.127.103601.
Liu, Lu-Chuan, Qu, Luo-Yuan, Wu, Cheng, Cotler, Jordan, Ma, Fei, Zheng, Ming-Yang, Xie, Xiu-Ping, Chen, Yu-Ao, Zhang, Qiang, Wilczek, Frank, & Pan, Jian-Wei. Improved Spatial Resolution Achieved by Chromatic Intensity Interferometry. United States. https://doi.org/10.1103/physrevlett.127.103601
Liu, Lu-Chuan, Qu, Luo-Yuan, Wu, Cheng, Cotler, Jordan, Ma, Fei, Zheng, Ming-Yang, Xie, Xiu-Ping, Chen, Yu-Ao, Zhang, Qiang, Wilczek, Frank, and Pan, Jian-Wei. Sun .
"Improved Spatial Resolution Achieved by Chromatic Intensity Interferometry". United States. https://doi.org/10.1103/physrevlett.127.103601. https://www.osti.gov/servlets/purl/1851684.
@article{osti_1851684,
title = {Improved Spatial Resolution Achieved by Chromatic Intensity Interferometry},
author = {Liu, Lu-Chuan and Qu, Luo-Yuan and Wu, Cheng and Cotler, Jordan and Ma, Fei and Zheng, Ming-Yang and Xie, Xiu-Ping and Chen, Yu-Ao and Zhang, Qiang and Wilczek, Frank and Pan, Jian-Wei},
abstractNote = {Interferometers are widely used in imaging technologies to achieve enhanced spatial resolution, but require that the incoming photons be indistinguishable. In previous work, we built and analyzed color erasure detectors which expand the scope of intensity interferometry to accommodate sources of different colors. Here we demonstrate experimentally how color erasure detectors can achieve improved spatial resolution in an imaging task, well beyond the diffraction limit. Utilizing two 10.9 mm-aperture telescopes and a 0.8 m baseline, we measure the distance between a 1063.6 nm source and a 1064.4 nm source separated by 4.2 mm at a distance of 1.43 km, which surpasses the diffraction limit of a single telescope by about 40 times. Moreover, chromatic intensity interferometry allows us to recover the phase of the Fourier transform of the imaged objects – a quantity that is, in the presence of modest noise, inaccessible to conventional intensity interferometry.},
doi = {10.1103/physrevlett.127.103601},
journal = {Physical Review Letters},
number = 10,
volume = 127,
place = {United States},
year = {Sun Aug 01 00:00:00 EDT 2021},
month = {Sun Aug 01 00:00:00 EDT 2021}
}
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