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Photonic molecules (coupled cavities) are of immense interest due to their applications in sensing, single-mode lasing, and cavity quantum electrodynamics. In this work, a photonic molecule, made of two coupled microspheres, has been used to vary the lineshape of the cavity modes. This has been executed by varying the inter-cavity distance (or coupling strength). Fano-/electromagnetically induced transparency (EIT)-type modes have been observed to evolve with the coupling strength varied.

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Lineshape Engineering of Whispering Gallery Modes Using a Photonic Molecule

  • 会议论文

  • 发表日期：

    2025年

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  • Tulika Agrawal,
  • Aneesh V. Veluthandath,
  • Timothy Lee,
  • Ganapathy Senthil Murugan,
  • Prem B. Bisht

摘要

Photonic molecules (coupled cavities) are of immense interest due to their applications in sensing, single-mode lasing, and cavity quantum electrodynamics. In this work, a photonic molecule, made of two coupled microspheres, has been used to vary the lineshape of the cavity modes. This has been executed by varying the inter-cavity distance (or coupling strength). Fano-/electromagnetically induced transparency (EIT)-type modes have been observed to evolve with the coupling strength varied.