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Large Fizeau’s light-dragging effect in a moving electromagnetically induced transparent medium

Author

Listed:
  • Pei-Chen Kuan

    (School of Physical and Mathematical Sciences, Nanyang Technological University)

  • Chang Huang

    (School of Physical and Mathematical Sciences, Nanyang Technological University)

  • Wei Sheng Chan

    (School of Physical and Mathematical Sciences, Nanyang Technological University)

  • Sandoko Kosen

    (School of Physical and Mathematical Sciences, Nanyang Technological University)

  • Shau-Yu Lan

    (School of Physical and Mathematical Sciences, Nanyang Technological University)

Abstract

As one of the most influential experiments on the development of modern macroscopic theory from Newtonian mechanics to Einstein’s special theory of relativity, the phenomenon of light dragging in a moving medium has been discussed and observed extensively in different types of systems. To have a significant dragging effect, the long duration of light travelling in the medium is preferred. Here we demonstrate a light-dragging experiment in an electromagnetically induced transparent cold atomic ensemble and enhance the dragging effect by at least three orders of magnitude compared with the previous experiments. With a large enhancement of the dragging effect, we realize an atom-based velocimeter that has a sensitivity two orders of magnitude higher than the velocity width of the atomic medium used. Such a demonstration could pave the way for motional sensing using the collective state of atoms in a room temperature vapour cell or solid state material.

Suggested Citation

  • Pei-Chen Kuan & Chang Huang & Wei Sheng Chan & Sandoko Kosen & Shau-Yu Lan, 2016. "Large Fizeau’s light-dragging effect in a moving electromagnetically induced transparent medium," Nature Communications, Nature, vol. 7(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms13030
    DOI: 10.1038/ncomms13030
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    Cited by:

    1. Chengzhi Qin & Han Ye & Shulin Wang & Lange Zhao & Menglin Liu & Yinglan Li & Xinyuan Hu & Chenyu Liu & Bing Wang & Stefano Longhi & Peixiang Lu, 2024. "Observation of discrete-light temporal refraction by moving potentials with broken Galilean invariance," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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