Magnon laser based on Brillouin light scattering
arXiv:2008.06628 · doi:10.1364/OL.401689
Abstract
An analogous laser action of magnons would be a subject of interest and is crucial for the study of nonlinear magnons spintronics. Here, we demonstrate the magnon laser behavior based on Brillouin light scattering in a ferrimagnetic insulator sphere which supports optical whispering gallery modes and magnon resonances. We show that the excited magnon plays what has traditionally been the role of the Stokes wave and is coherently amplified during the Brillouin scattering process, making magnon laser possible. Furthermore, the stimulating excited magnon number increasing exponentially with the input light power can be manipulated by adjusting the external magnetic field. In addition to providing insight into magneto-optical interaction, the study of magnon laser action will help to develop novel technologies for handling spin-wave excitations and could affect scientific fields beyond magnonics. Potential applications range from preparing coherent magnon sources to operating onchip functional magnetic devices.
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- Magnonic frequency comb through nonlinear magnon-skyrmion scattering
- Remote magnon entanglement between two massive ferrimagnetic spheres via cavity optomagnonics
- Microwave-optics Entanglement via Cavity Optomagnomechanics
- Stationary optomagnonic entanglement and magnon-to-optics quantum state transfer via opto-magnomechanics
- Nonlocal magnon entanglement generation in coupled hybrid cavity systems
- Dissipative generation of significant amount of photon-phonon asymmetric steering in magnomechanical interfaces
- Proposal for optomagnonic teleportation and entanglement swapping