J. Taboada-Guti'errez

Nanoscale-confined and low-loss terahertz phonon polaritons in a hyperbolic van der Waals crystal

L. Eng, A. Nikitin, J. Klopf, 2020, 2007.06342.

Focusing of in-plane hyperbolic polaritons in van der Waals crystals with tailored infrared nanoantennas

R. Hillenbrand, V. Volkov, Q. Bao, 2021, Science advances.

Planar nano-optics in anisotropic media: anomalous refraction and diffraction-free lensing of highly confined polaritons

R. Hillenbrand, V. Volkov, A. Nikitin, 2021, 2103.10740.