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What is and what is not electromagnetically induced transparency in whispering-gallery microcavities

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Listed:
  • Bo Peng

    (Washington University)

  • Şahin Kaya Özdemir

    (Washington University)

  • Weijian Chen

    (Washington University)

  • Franco Nori

    (Center for Emergent Matter Science, RIKEN
    University of Michigan)

  • Lan Yang

    (Washington University)

Abstract

There has been an increasing interest in all-optical analogues of electromagnetically induced transparency and Autler–Townes splitting. Despite the differences in their underlying physics, both electromagnetically induced transparency and Autler–Townes splitting are quantified by a transparency window in the absorption or transmission spectrum, which often leads to a confusion about its origin. While the transparency window in electromagnetically induced transparency is a result of Fano interference among different transition pathways, in Autler–Townes splitting it is the result of strong field-driven interactions leading to the splitting of energy levels. Being able to tell objectively whether an observed transparency window is because of electromagnetically induced transparency or Autler–Townes splitting is crucial for applications and for clarifying the physics involved. Here we demonstrate the pathways leading to electromagnetically induced transparency, Fano resonances and Autler–Townes splitting in coupled whispering-gallery-mode resonators. Moreover, we report the application of the Akaike Information Criterion discerning between all-optical analogues of electromagnetically induced transparency and Autler–Townes splitting and clarifying the transition between them.

Suggested Citation

  • Bo Peng & Şahin Kaya Özdemir & Weijian Chen & Franco Nori & Lan Yang, 2014. "What is and what is not electromagnetically induced transparency in whispering-gallery microcavities," Nature Communications, Nature, vol. 5(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms6082
    DOI: 10.1038/ncomms6082
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    Cited by:

    1. Qing-Hai Tan & Yun-Mei Li & Jia-Min Lai & Yu-Jia Sun & Zhe Zhang & Feilong Song & Cedric Robert & Xavier Marie & Weibo Gao & Ping-Heng Tan & Jun Zhang, 2023. "Quantum interference between dark-excitons and zone-edged acoustic phonons in few-layer WS2," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    2. A. Hashemi & K. Busch & D. N. Christodoulides & S. K. Ozdemir & R. El-Ganainy, 2022. "Linear response theory of open systems with exceptional points," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    3. Liao, Qinghong & Song, Menglin & Bao, Weida, 2023. "Generation of second-order sideband and slow-fast light effects in a PT-symmetric optomechanical system," Chaos, Solitons & Fractals, Elsevier, vol. 166(C).

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