Broad spectral tuning of ultra-low-loss polaritons in a van der Waals crystal by intercalation

Authors :: Javier, Taboada-Gutiérrez
Gonzalo, Álvarez-Pérez
Jiahua, Duan
Weiliang, Ma
Kyle, Crowley
Iván, Prieto
Andrei, Bylinkin
Marta, Autore
Halyna, Volkova
Kenta, Kimura
Tsuyoshi, Kimura
M-H, Berger
Shaojuan, Li
Qiaoliang, Bao
Xuan P A, Gao
Ion, Errea
Alexey Y, Nikitin
Rainer, Hillenbrand
Javier, Martín-Sánchez
Pablo, Alonso-González
Source :: Nature materials. 19(9)
Publication Year :: 2019
Abstract: Phonon polaritons-light coupled to lattice vibrations-in polar van der Waals crystals are promising candidates for controlling the flow of energy on the nanoscale due to their strong field confinement, anisotropic propagation and ultra-long lifetime in the picosecond range

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