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Optical physics

Anisotropy enables unusual waves

It has been revealed that simple anisotropic optical waveguides and the vectorial nature of electromagnetic waves can support a variety of bound states in the continuum akin to those introduced in quantum mechanics almost a century ago.

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Figure 1: Formation of BICs in anisotropic waveguides.


  1. Hsu, C. W., Zhen, B., Stone, A. D., Joannopoulos, J. D. & Soljačić, M. Nat. Rev. Mater. 1, 16048 (2016).

    Article  ADS  Google Scholar 

  2. Rybin, M. & Kivshar, Y. Nature 541, 165–166 (2017).

    Article  ADS  Google Scholar 

  3. Gomis-Bresco, J., Artigas, D. & Torner, L. Nat. Photon. 11, 232–236 10.1038/nphoton.2017.31(2017).

    Article  ADS  Google Scholar 

  4. von Neumann, J. & Wigner, E. P. Phys. Z. 30, 465–467 (1929).

    Google Scholar 

  5. Friedrich, H. & Wintgen, D. Phys. Rev. A 32, 3231–3242 (1985).

    Article  ADS  Google Scholar 

  6. Marcuse, D. & Kaminow, I. P. IEEE J. Quantum Electron. QE-15, 92–101 (1979).

    Article  ADS  Google Scholar 

  7. Wiersig, J. Phys. Rev. Lett. 97, 253901 (2006).

    Article  ADS  Google Scholar 

  8. Kuznetsov, A. I., Miroshnichenko, A. E., Brongersma, M. L., Kivshar, Y. S. & Luk'yanchuk, B. Science 354, aag2472 (2016).

    Article  Google Scholar 

  9. Smirnova, D. & Kivshar, Y. S. Optica 3, 1241–1255 (2016).

    Article  ADS  Google Scholar 

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Correspondence to Yuri Kivshar or Mikhail Rybin.

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Kivshar, Y., Rybin, M. Anisotropy enables unusual waves. Nature Photon 11, 212–214 (2017).

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