Examples of modern quantum sensing and metrology with new results on photon-added coherent states

Jerome Luine; Anjali Singh; Bryan Gard; Jonathan Olson

doi:10.1117/12.2217161

13 February 2016 Examples of modern quantum sensing and metrology with new results on photon-added coherent states

Jerome Luine, Anjali Singh, Bryan Gard, Jonathan Olson

Proceedings Volume 9755, Quantum Sensing and Nano Electronics and Photonics XIII; 97552G (2016) https://doi.org/10.1117/12.2217161
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

Quantum sensing and metrology is the application of non-classical resources to the measurement of physical quantities with precision or accuracy beyond that allowed by classical physics. For many years non-classical resources such as atomic energy quantization, Josephson Effect, and Quantum Hall Effect have been used to define the fundamental units of time, voltage, and resistance, respectively. In recent years non-classical resources such as quantum squeezing and entanglement have been exploited to expand the range of physical phenomena measured with unprecedented precision or accuracy. We summarize some of the recent research on advanced quantum sensing and metrology and discuss our analyses of photon-added coherent states (PACS) of light. These analyses take into account imperfect photon addition and detection processes and show that PACS enable beyond-classical signal-to-noise ratio for photon counting even in cases where the probability of intended photon addition is 80%. We also show that there remains undiscovered fundamental properties of PACS related to their production and implementation.

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Jerome Luine, Anjali Singh, Bryan Gard, and Jonathan Olson "Examples of modern quantum sensing and metrology with new results on photon-added coherent states", Proc. SPIE 9755, Quantum Sensing and Nano Electronics and Photonics XIII, 97552G (13 February 2016); https://doi.org/10.1117/12.2217161

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KEYWORDS

Picture Archiving and Communication System

Photodetectors

Interferometers

Time correlated photon counting

Beam splitters

Signal detection

Single photon

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