It is always fascinating to apply fundamental electromagnetic theory in support of our various research fronts.

  • Complex Waves

  • Propagation in Complex Media

  • Non-Foster Media

  • Dispersive Media

  • Space-time Media

  • Leaky Waves

  • Super-oscillations

  • Homogenization



A  positive/negative-index (PRI/NRI) coupler in microstrip
Dispersion diagram of PRI/NRI coupler
Characteristics of PRI/NRI Coupler
Pole topology in media supporting coupled forward/backward modes
Space-time grating


[1] S. Taravati and G.V. Eleftheriades,

``Generalized space-time-periodic diffraction gratings: Theory and applications", Phys. Rev. Appl., 12, 024026, 2019.

[2] Y. He and G.V. Eleftheriades, ``Magnetoelectric uniaxial metamaterials as wide-angle polarization-insensitive matching layers", Phys. Rev. B, 98, 205404 , Nov. 2018.

[3] A.H. Dorrah and G.V. Eleftheriades, ``Bianisotropic Huygens' metasurface pairs for non-local power conserving wave transformations," IEEE Antennas and Wireless Propagat. Lettr., vol. 17, no. 10, 1788-1792, July 2018.

[4] A. Epstein and G.V. Eleftheriades , ``Synthesis of passive lossless metasurfaces using auxiliary fields for

reflectionless beam splitting and perfect reflection", Physical Review Letters, PRL 117, 256103, Dec. (2016).

[5] R. Islam, M. Zedler and G.V. Eleftheriades, ``Modal analysis and wave propagation in finite 2D transmission-line metamaterials", IEEE Trans. on Antennas and Propagat., vol. 59, no. 5, pp. 1562-1570, May 2011.

[6] R. Islam and G.V. Eleftheriades, ``On the independence of the excitation of complex modes in isotropic structures", IEEE Trans. Antennas and Propagat., vol. 58, no. 5, pp. 1567-1578, May 2010.