Quantum noise reduction in intensity-sensitive surface-plasmon-resonance sensors

Joong-Sung Lee, Trung Huynh, Su-Yong Lee, Kwang-Geol Lee, Jinhyoung Lee, Mark Tame, Carsten Rockstuhl, and Changhyoup Lee
Phys. Rev. A 96, 033833 – Published 19 September 2017; Erratum Phys. Rev. A 100, 069901 (2019)

Abstract

We investigate the use of twin-mode quantum states of light with symmetric statistical features in their photon number for improving intensity-sensitive surface plasmon resonance (SPR) sensors. For this purpose, one of the modes is sent into a prism setup where the Kretschmann configuration is employed as a sensing platform and the analyte to be measured influences the SPR excitation conditions. This influence modifies the output state of light that is subsequently analyzed by an intensity-difference measurement scheme. We show that quantum noise reduction is achieved not only as a result of the sub-Poissonian statistical nature of a single mode, but also as a result of the nonclassical correlation of the photon number between the two modes. When combined with the high sensitivity of the SPR sensor, we show that the use of twin-mode quantum states of light notably enhances the estimation precision of the refractive index of an analyte. With this we are able to identify a clear strategy to further boost the performance of SPR sensors, which are already a mature technology in biochemical and medical sensing applications.

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  • Received 15 May 2017

DOI:https://doi.org/10.1103/PhysRevA.96.033833

©2017 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Erratum

Erratum: Quantum noise reduction in intensity-sensitive surface-plasmon-resonance sensors [Phys. Rev. A 96, 033833 (2017)]

Joong-Sung Lee, Trung Huynh, Su-Yong Lee, Kwang-Geol Lee, Jinhyoung Lee, Mark Tame, Carsten Rockstuhl, and Changhyoup Lee
Phys. Rev. A 100, 069901 (2019)

Authors & Affiliations

Joong-Sung Lee1, Trung Huynh1, Su-Yong Lee2, Kwang-Geol Lee1, Jinhyoung Lee1, Mark Tame3,4, Carsten Rockstuhl5,6, and Changhyoup Lee5,*

  • 1Department of Physics, Hanyang University, Seoul, 04763, Korea
  • 2School of Computational Sciences, Korea Institute for Advanced Study, Seoul, 02455, Korea
  • 3School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa
  • 4National Institute for Theoretical Physics, University of KwaZulu-Natal, Durban 4001, South Africa
  • 5Institute of Theoretical Solid State Physics, Karlsruhe Institute of Technology, 76131, Karlsruhe, Germany
  • 6Institute of Nanotechnology, Karlsruhe Institute of Technology, 76021, Karlsruhe, Germany

  • *changdolli@gmail.com

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Issue

Vol. 96, Iss. 3 — September 2017

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