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Forbidden Radiation Angles of Quantum Antennas

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Journal of Applied Spectroscopy Aims and scope

A quantum antenna consisting of a set of two-level atoms situated on a straight line and prepared in different initial states is investigated. It is shown that radiation in defined directions can be totally suppressed if the initial state of the quantum antenna is a symmetric Dicke state. The probability of simultaneous detection of photons in these directions is equal to zero. This result is impossible for the pseudo-classical symmetric initial state of the antenna that does not have quantum entanglement. The probability of detecting a photon at any angle is always nonzero for such a state. The qualitative difference of the interference mechanism for the pseudo-classical and quantum antenna states is described.

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Authors and Affiliations

  1. B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, Belarus

    I. A. Peshko

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  1. I. A. Peshko
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Correspondence to I. A. Peshko.

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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 88, No. 5, pp. 682–688, September–October, 2021.

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Peshko, I.A. Forbidden Radiation Angles of Quantum Antennas. J Appl Spectrosc 88, 918–923 (2021). https://doi.org/10.1007/s10812-021-01259-4

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  • DOI: https://doi.org/10.1007/s10812-021-01259-4

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