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Title: Quantum plasmonic sensing

Journal Article · · Physical Review A - Atomic, Molecular, and Optical Physics
 [1];  [2];  [2]
  1. Univ. of Virginia, Charlottesville, VA (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Surface plasmon resonance (SPR) sensors can reach the quantum noise limit of the optical readout field in various configurations. We demonstrate that two-mode intensity squeezed states produce a further enhancement in sensitivity compared with a classical optical readout when the quantum noise is used to transduce an SPR sensor signal in the Kretschmann configuration. The quantum noise reduction between the twin beams when incident at an angle away from the plasmonic resonance, combined with quantum noise resulting from quantum anticorrelations when on resonance, results in an effective SPR-mediated modulation that yields a measured sensitivity 5 dB better than that with a classical optical readout in this configuration. Furthermore, the theoretical potential of this technique points to resolving particle concentrations with more accuracy than is possible via classical approaches to optical transduction.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1235835
Alternate ID(s):
OSTI ID: 1225129
Journal Information:
Physical Review A - Atomic, Molecular, and Optical Physics, Vol. 92, Issue 5; ISSN 1050-2947
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 52 works
Citation information provided by
Web of Science

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Cited By (9)

Nanoscale quantum plasmon sensing based on strong photon–exciton coupling journal January 2020
Actively tunable double-Fano and Ramsey-Fano resonances in photonic molecules and improved sensing performance journal December 2016
Enhanced detection of a low-frequency signal by using broad squeezed light and a bichromatic local oscillator journal August 2017
Two-beam pumped cascaded four-wave-mixing process for producing multiple-beam quantum correlation journal April 2018
Plasmon properties and hybridization effects in silicene journal February 2017
Quantum tomography of the photon-plasmon conversion process in a metal hole array journal January 2019
Tunable plasmons in regular planar arrays of graphene nanoribbons with armchair and zigzag-shaped edges journal January 2017
Plasmon properties and hybridization effects in Silicene text January 2016
Quantum-Enhanced Plasmonic Sensing text January 2018