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Proceedings Paper

Quantum enhanced long baseline optical interferometers with noiseless linear amplification and displacement operation
Author(s): Song Yang; Yun Su; Ningjuan Ruan; Zhiqiang Wu; Xuling Lin
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Paper Abstract

Long baseline optical interferometry, by combining the lights from widely-distributed telescopes, is shown to afford pronounced improvement in the imaging resolution in comparison with a single telescope. However, the noise and photon loss in the transmission between the telescopes would limit the length of baseline of interferometer to a few hundred meters. Here, we present a scheme for enhancement of long baseline optical interferometer by using quantum resources- noiseless linear amplifier (NLA) and displacement operation at the photon transmission channels. We exhibit this enhancement quantitatively by calculating higher fisher information compared with those of conventional optical interferometer.

Paper Details

Date Published: 3 November 2016
PDF: 7 pages
Proc. SPIE 10029, Quantum and Nonlinear Optics IV, 100290A (3 November 2016); doi: 10.1117/12.2247729
Show Author Affiliations
Song Yang, Beijing Institute of Space Mechanics and Electricity (China)
Yun Su, Beijing Institute of Space Mechanics and Electricity (China)
Ningjuan Ruan, Beijing Institute of Space Mechanics and Electricity (China)
Zhiqiang Wu, Beijing Institute of Space Mechanics and Electricity (China)
Xuling Lin, Beijing Institute of Space Mechanics and Electricity (China)


Published in SPIE Proceedings Vol. 10029:
Quantum and Nonlinear Optics IV
Qihuang Gong; Guang-Can Guo; Byoung Seung Ham, Editor(s)

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