Coherent pumping of high-momentum magnons by light

Fran Šimić, Sanchar Sharma, Yaroslav M. Blanter, Gerrit E.W. Bauer

研究成果: Article査読

3 被引用数 (Scopus)

抄録

We propose and model a method to excite a large number of coherent magnons with high momentum in optical cavities. This is achieved by two counterpropagating optical modes that are detuned by the frequency of a selected magnon, similar to stimulated Raman scattering. In submillimeter-size yttrium iron garnet spheres, a milliwatt laser input power generates 106-108 coherent magnons. The large magnon population enhances Brillouin light scattering, a probe suitable to access their quantum properties.

本文言語English
論文番号100401
ジャーナルPhysical Review B
101
10
DOI
出版ステータスPublished - 2020 3 1

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学

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