Large suppression of quantum fluctuations of light from a single emitter by an optical nanostructure

Year: 2014

Authors: Martín-Cano D., Haakh H.R., Murr K., Agio M.

Autors Affiliation: Max Planck Institute for the Science of Light, 91058 Erlangen, Germany; National Institute of Optics (CNR-INO), 50125 Florence, Italy; Center for Quantum Science and Technology in Arcetri (QSTAR), 50125 Florence, Italy; European Laboratory for Nonlinear Spectroscopy (LENS), 50019 Sesto Fiorentino, Italy; Dipartimento di Fisica ed Astronomia, Università di Firenze, 50019 Sesto Fiorentino, Italy

Abstract: We investigate the reduction of the electromagnetic field fluctuations in resonance fluorescence from a single emitter coupled to an optical nanostructure. We find that such hybrid systems can lead to the creation of squeezed states of light, with quantum fluctuations significantly below the shot-noise level. Moreover, the physical conditions for achieving squeezing are strongly relaxed with respect to an emitter in free space. A high degree of control over squeezed light is feasible both in the far and near fields, opening the pathway to its manipulation and applications on the nanoscale with state-of-the-art setups.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 113 (26)      Pages from: 263605  to: 263605

More Information: Financial support from the Max Planck Society, the EC Seventh Framework Programme (284584) and the Ministero dell\’Università e della Ricerca (2010LLKJBX) are gratefully acknowledged. M. A. wishes to thank Vahid Sandoghdar.
KeyWords: lectromagnetic fields; Hybrid systems; Nanostructures; Quantum electronics; Shot noise, Degree of control; Optical nanostructures; Physical conditions; Quantum fluctuation; Resonance fluorescences; Shot-noise level; Single emitter; State of the art; Quantum theory
DOI: 10.1103/PhysRevLett.113.263605

Citations: 25
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