RT Journal Article
SR Electronic
T1 Cavity magnomechanics
JF Science Advances
JO Sci Adv
FD American Association for the Advancement of Science
SP e1501286
DO 10.1126/sciadv.1501286
VO 2
IS 3
A1 Zhang, Xufeng
A1 Zou, Chang-Ling
A1 Jiang, Liang
A1 Tang, Hong X.
YR 2016
UL http://advances.sciencemag.org/content/2/3/e1501286.abstract
AB A dielectric body couples with electromagnetic fields through radiation pressure and electrostrictive forces, which mediate phonon-photon coupling in cavity optomechanics. In a magnetic medium, according to the Korteweg-Helmholtz formula, which describes the electromagnetic force density acting on a medium, magneostrictive forces should arise and lead to phonon-magnon interaction. We report such a coupled phonon-magnon system based on ferrimagnetic spheres, which we term as cavity magnomechanics, by analogy to cavity optomechanics. Coherent phonon-magnon interactions, including electromagnetically induced transparency and absorption, are demonstrated. Because of the strong hybridization of magnon and microwave photon modes and their high tunability, our platform exhibits new features including parametric amplification of magnons and phonons, triple-resonant photon-magnon-phonon coupling, and phonon lasing. Our work demonstrates the fundamental principle of cavity magnomechanics and its application as a new information transduction platform based on coherent coupling between photons, phonons, and magnons.