English
Related papers

Related papers: Magnon laser based on Brillouin light scattering

200 papers

Magnons are the energy quanta of fundamental spin excitations, namely spin waves, and they can make a considerable contribution to energy transport in some magnetic materials in a similar manner as lattice vibration waves or phonons. The…

Ultrastable lasers serve as the backbone for some of the most advanced scientific experiments today and enable the ability to perform atomic spectroscopy and laser interferometry at the highest levels of precision possible. With the recent…

Instrumentation and Detectors · Physics 2018-10-12 William Loh , Siva Yegnanarayanan , Frederick O'Donnell , Paul W. Juodawlkis

The phonon analog of an optical laser has become the focus of research. We theoretically study phonon laser in a cavity magnomechanical system, which consist of a microwave cavity, a small ferromagnetic sphere and an uniform external bias…

Mesoscale and Nanoscale Physics · Physics 2019-07-09 Ming-Song Ding , Li Zheng , Chong Li

We demonstrate a real-space imaging of a heterodyne signal of light that is produced as a result of the Brillouin light scattering by coherently driven magnons in magnetostatic modes. With this imaging technique, we characterize surface…

Mesoscale and Nanoscale Physics · Physics 2020-10-06 Shotaro Z. Baba , Yosuke Nakata , Yoshitaka Ito , Ryusuke Hisatomi , Yasunobu Nakamura , Koji Usami

Material damage thresholds pose a fundamental limit to chirped pulse amplification (CPA) in high-power laser systems. Plasma-based amplification via stimulated Brillouin scattering (SBS) offers a damage-free alternative, yet its…

Stimulated Brillouin scattering drives a coherent interaction between optical signals and acoustic phonons and this effect can be used for storing optical information in acoustic waves. An important consideration arises when multiple…

Antisymmetric exchange interactions lead to non-reciprocal spin-wave propagation. As a result, spin waves confined in a nanostructure are not standing waves; they have a time-dependent phase, because counter-propagating waves of the same…

Mesoscale and Nanoscale Physics · Physics 2023-02-10 Jun-Wen Xu , Grant A. Riley , Justin M. Shaw , Hans T. Nembach , Andrew D. Kent

Generating coherent magnon spin currents with the highest frequencies and shortest wavelengths is a key challenge in ultrafast spintronics and magnonics. A promising route is to excite counter-propagating magnon pairs. In antiferromagnets,…

Mesoscale and Nanoscale Physics · Physics 2025-07-25 Torstein Hegstad , Johan H. Mentink

We study theoretically the exchange of angular momentum between electromagnetic and electrostatic waves in a plasma, due to the stimulated Raman and Brillouin backscattering processes. Angular momentum states for plasmon and phonon fields…

Plasma Physics · Physics 2015-05-13 J. T. Mendonça , B. Thidé , H. Then

We theoretically and numerically study the evolution of soliton-like waves supported by stimulated Brillouin scattering. First, the emergence and unusual behaviour of resonant solitary waves are investigated for both backward and forward…

The ferrimagnetic spinels MnB2O4 (B = Mn,V) exhibit a similar series of closely spaced magnetic and structural phase transitions at low temperatures, reflecting both magnetic frustration and a strong coupling between the spin and lattice…

Strongly Correlated Electrons · Physics 2015-01-28 S. L. Gleason , T. Byrum , Y. Gim , A. Thaler , P. Abbamonte , G. J. MacDougall , L. W. Martin , H. D. Zhou , S. L. Cooper

Stimulated Brillouin scattering (SBS) is revolutionizing low-noise lasers and microwave photonic systems. However, despite extensive explorations of a low-loss and versatile integrated platform for Brillouin photonic circuits, current…

The simultaneous control of optical and mechanical waves has enabled a range of fundamental and technological breakthroughs, from the demonstration of ultra-stable frequency reference devices to the exploration of the quantum-classical…

Conventional approaches to control and shape the scattering patterns of light generated by different nanostructures are mostly based on engineering of their electric response due to the fact that most metallic nanostructures support…

Optics · Physics 2014-05-05 Wei Liu , Andrey E. Miroshnichenko , Yuri S. Kivshar

We derive and solve quantum kinetic equations describing the accumulation of magnetoelastic bosons in an overpopulated magnon gas realized in a thin film of the magnetic insulator yttrium iron garnet. We show that in the presence of a…

Mesoscale and Nanoscale Physics · Physics 2022-04-27 Viktor Hahn , Pascal Frey , Alexander A. Serga , Vitaliy I. Vasyuchka , Burkard Hillebrands , Peter Kopietz , Andreas Rückriegel

The selection rules governing spontaneous Brillouin scattering in crystalline solids are usually taken as intrinsic material properties, locking the relative polarization of excitation and signal in bulk. In this work, we independently…

By combining Brillouin Light Scattering and micromagnetic simulations we studied the spin-wave dynamics of a Co/Pd thin film multilayer, features a stripe domain structure at remanence. The periodic up and down domains are separated by…

Mesoscale and Nanoscale Physics · Physics 2019-01-21 Chandrima Banerjee , Pawel Gruszecki , Jaroslaw W. Klos , Olav Hellwig , Maciej Krawczyk , Anjan Barman

We perform micromagnetic simulations to investigate the propagation of spin-wave beams through spin-wave optical elements. Despite spin-wave propagation in magnetic media being strongly anisotropic, we use axicons to excite spinwave…

Applied Physics · Physics 2020-07-01 Marc Vogel , Burkard Hillebrands , Georg von Freymann

We demonstrate that the implementation of phase-locked loop forbidding multimode operation of a long Brillouin resonator also leads to a dramatic reduction of the optical phase noise of the pump itself. In the case of a continuous…

We have investigated the generation of spin waves in the free layer of an extended spin-valve structure with a nano-scaled point contact driven by both microwave and direct electric current using Brillouin light scattering microscopy.…