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ATOMIC AND MOLECULAR OPTICS

An atomic spin on amplification of light

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Non-reciprocal physical systems exhibit direction-dependent propagation of light, enabling a myriad of devices such as diodes and circulators. A new experiment demonstrates non-reciprocal amplification of light via atomic spins, driving photons on a one-way street through optical nanofibres.

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Fig. 1: Circularly polarized photons travelling through optical nanofibres.
Fig. 2: Atomic level structure with two Lambda-type transitions.

References

  1. Faraday, M. Philos. Trans.R. Soc. London 136, 1–20 (1846).

    Article  ADS  Google Scholar 

  2. Caloz, C. et al. Phys. Rev. Appl. 10, 047001 (2018).

    Article  ADS  Google Scholar 

  3. Pucher, S., Liedl, C., Jin, S., Rauschenbeutel, A. & Schneeweiss, P. Nat. Photon. https://doi.org/10.1038/s41566-022-00987-z (2022).

    Article  Google Scholar 

  4. Scheucher, M., Hilico, A., Will, E., Volz, J. & Rauschenbeutel, A. Science 354, 1577–1580 (2016).

    Article  ADS  Google Scholar 

  5. Sayrin, C. et al. Phys. Rev. X 5, 041036 (2015).

    Google Scholar 

  6. Van Mechelen, T. & Jacob, Z. Optica 3, 118–126 (2016).

    Article  ADS  Google Scholar 

  7. Mathur, B. S., Tang, H. & Happer, W. Phys. Rev. 171, 11 (1968).

    Article  ADS  Google Scholar 

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Authors and Affiliations

  1. School of Electrical, Energy and Computer Engineering, Arizona State University, Tempe, AZ, USA

    Kanu Sinha

  2. Department of Physics, University of Illinois at Urbana-Champaign, Urbana, IL, USA

    Elizabeth A. Goldschmidt

Authors
  1. Kanu Sinha
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  2. Elizabeth A. Goldschmidt
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Corresponding authors

Correspondence to Kanu Sinha or Elizabeth A. Goldschmidt.

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The authors declare no competing interests.

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Sinha, K., Goldschmidt, E.A. An atomic spin on amplification of light. Nat. Photon. 16, 339–340 (2022). https://doi.org/10.1038/s41566-022-00992-2

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  • DOI: https://doi.org/10.1038/s41566-022-00992-2

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