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arXiv · 1606.09598

Photon Added Coherent States: Nondeterministic, Noiseless Amplification in Quantum Metrology

Bryan T. Gard·Dong Li·Chenglong You·Kaushik P. Seshadreesan·Richard Birrittella·Jerome Luine·Seyed Mohammad Hashemi Rafsanjani·Mohammad Mirhosseini·Omar S. Magaña-Loaiza·Benjamin E. Koltenbah·Claudio G. Parazzoli·Barbara A. Capron·Robert W. Boyd·Christopher C. Gerry·Hwang Lee·Jonathan P. Dowling
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Abstract

Probabilistic amplification through photon addition, at the output of an Mach-Zehnder interferometer is discussed for a coherent input state. When a metric of signal to noise ratio is considered, nondeterministic, noiseless amplification of a coherent state shows improvement over a standard coherent state, for the general addition of $m$ photons. The efficiency of realizable implementation of photon addition is also considered and shows how the collected statistics of a post selected state, depend on this efficiency. We also consider the effects of photon loss and inefficient detectors.

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Bryan T. Gard, Dong Li, Chenglong You, Kaushik P. Seshadreesan, Richard Birrittella, Jerome Luine, Seyed Mohammad Hashemi Rafsanjani, Mohammad Mirhosseini, Omar S. Magaña-Loaiza, Benjamin E. Koltenbah, Claudio G. Parazzoli, Barbara A. Capron, Robert W. Boyd, Christopher C. Gerry, Hwang Lee, Jonathan P. Dowling. 2016-12-29. Photon Added Coherent States: Nondeterministic, Noiseless Amplification in Quantum Metrology. https://arxiv.org/abs/1606.09598

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