TY - JOUR
T1 - Cavity Optomagnonics with Spin-Orbit Coupled Photons
AU - Osada, A.
AU - Hisatomi, R.
AU - Noguchi, A.
AU - Tabuchi, Y.
AU - Yamazaki, R.
AU - Usami, K.
AU - Sadgrove, M.
AU - Yalla, R.
AU - Nomura, M.
AU - Nakamura, Y.
N1 - Funding Information:
We thank Kohzo Hakuta for his advice. This work was supported by the Project for Developing Innovation System of MEXT, JSPS KAKENHI (Grants No.26600071, No.26220601, and No.15H05461), the Murata Science Foundation, the Inamori Foundation, Research Foundation for Opto-Science and Technology, and NICT.
Publisher Copyright:
© 2016 American Physical Society.
PY - 2016/6/2
Y1 - 2016/6/2
N2 - We experimentally implement a system of cavity optomagnonics, where a sphere of ferromagnetic material supports whispering gallery modes (WGMs) for photons and the magnetostatic mode for magnons. We observe pronounced nonreciprocity and asymmetry in the sideband signals generated by the magnon-induced Brillouin scattering of light. The spin-orbit coupled nature of the WGM photons, their geometrical birefringence, and the time-reversal symmetry breaking in the magnon dynamics impose the angular-momentum selection rules in the scattering process and account for the observed phenomena. The unique features of the system may find interesting applications at the crossroad between quantum optics and spintronics.
AB - We experimentally implement a system of cavity optomagnonics, where a sphere of ferromagnetic material supports whispering gallery modes (WGMs) for photons and the magnetostatic mode for magnons. We observe pronounced nonreciprocity and asymmetry in the sideband signals generated by the magnon-induced Brillouin scattering of light. The spin-orbit coupled nature of the WGM photons, their geometrical birefringence, and the time-reversal symmetry breaking in the magnon dynamics impose the angular-momentum selection rules in the scattering process and account for the observed phenomena. The unique features of the system may find interesting applications at the crossroad between quantum optics and spintronics.
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U2 - 10.1103/PhysRevLett.116.223601
DO - 10.1103/PhysRevLett.116.223601
M3 - Article
AN - SCOPUS:84973469319
SN - 0031-9007
VL - 116
JO - Physical Review Letters
JF - Physical Review Letters
IS - 22
M1 - 223601
ER -