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Related papers: Magnon laser based on Brillouin light scattering

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Brillouin-Mandelstam scattering is one of the most accessible nonlinear optical phenomena and has been widely studied since its theoretical discovery one hundred years ago. The scattering mechanism is a three-wave-mixing process between two…

Magnonics, i.e. the artificial manipulation of spin waves, is a flourishing field of research with many potential uses in data processing within reach. Apart from the technological applications the possibility to directly influence and…

Stimulated Brillouin scattering with both pump and Stokes beams in resonance with whispering gallery modes of an ultra high Q CaF_2 resonator is demonstrated for the first time. The resonator is pumped with 1064 nm light and has a Brillouin…

Optics · Physics 2009-11-13 Ivan S. Grudinin , Andrey B. Matsko , Lute Maleki

The process of stimulated Brillouin scattering is described by the model of two-dimensional oscillator. The phenomenon of entanglement which appears in the photon-phonon modes after the interaction with matter is discussed.

Quantum Physics · Physics 2019-02-12 S. V. Kuznetsov , A. V. Kyusev , O. V. Man'ko , N. V. Tcherniega

Owing to their highly coherent emission and compact form factor, Brillouin lasers have been identified as a valuable asset for applications including portable atomic clocks, precision sensors, coherent microwave synthesis and…

We report the observation of stimulated Brillouin scattering and lasing at 1550~nm in barium fluoride (BaF$_2$) crystal. Brillouin lasing was achieved with ultra-high quality ($Q$) factor monolithic whispering gallery mode (WGM) mm-size…

We demonstrate direct probing of strong magnon-photon coupling using Brillouin light scattering spectroscopy in a planar geometry. The magnonic hybrid system comprises a split-ring resonator loaded with epitaxial yttrium iron garnet thin…

We present a combined Brillouin light scattering and micromagnetic simulation investigation of the magnetic-field dependent spin-wave spectra in a hybrid structure made of permalloy (NiFe) artificial spin-ice (ASI) systems, composed of…

Materials Science · Physics 2023-02-28 F. Montoncello , M. T. Kaffash , H. Carfagno , M. F. Doty , G. Gubbiotti , M. B. Jungfleisch

Brillouin scattering enables efficient and coherent conversion between optical photons and gigahertz-frequency phonons. Integrated circuits that harness this nonlinear interaction have immense potential for signal processing, quantum…

Microfocused Brillouin light scattering (BLS) and microwave absorption (MA) are used to study magnon-photon coupling in a system consisting of a split-ring microwave resonator and a yttrium iron garnet (YIG) film. The split-ring resonantor…

Mesoscale and Nanoscale Physics · Physics 2016-09-21 Stefan Klingler , Hannes Maier-Flaig , Rudolf Gross , Can-Ming Hu , Hans Huebl , Sebastian T. B. Goennenwein , Mathias Weiler

We demonstrate the use of the micro-Brillouin light scattering (micro-BLS) technique as a local temperature sensor for magnons in a Permalloy thin film and phonons in the glass substrate. A systematic shift in the frequencies of two…

Materials Science · Physics 2015-06-12 Daniel R. Birt , Kyongmo An , Annie Weathers , Li Shi , Maxim Tsoi , Xiaoqin Li

Laser linewidth is of central importance in spectroscopy, frequency metrology and all applications of lasers requiring high coherence. It is also of fundamental importance, because the Schawlow-Townes laser linewidth limit is of quantum…

Optics · Physics 2017-10-11 Myoung-Gyun Suh , Qi-Fan Yang , Kerry Vahala

We develop the theory of Brillouin light scattering (BLS) from spin wave modes in ferromagnetic nanospheres, within a framework that incorporates the spatial variation of the optical fields within the sphere. Our recent theory of exchange…

Materials Science · Physics 2015-06-25 Ping Chu , D. L. Mills

We use a neutron spin-echo method with $\mu$eV resolution to determine the lifetimes of spin waves in the prototypical antiferromagnet MnF$_2$ over the entire Brillouin zone. A theory based on the interaction of magnons with longitudinal…

Strongly Correlated Electrons · Physics 2009-11-11 S. P. Bayrakci , T. Keller , K. Habicht , B. Keimer

We use theoretical analysis and numerical simulation to investigate the operation of a laser oscillating from gain supplied by stimulated Brillouin scattering (SBS) in a microresonator. The interaction of the forward, backward, and density…

Optics · Physics 2015-06-11 William Loh , Scott B. Papp , Scott A. Diddams

The study of moir\'e superlattices has revealed intriguing phenomena in electronic systems, including unconventional superconductivity and ferromagnetism observed in magic-angle bilayer graphene. This approach has recently been adapted to…

Mesoscale and Nanoscale Physics · Physics 2024-10-10 Jilei Chen , Marco Madami , Gianluca Gubbiotti , Haiming Yu

We report the experimental observation of the spin-wave moir\'e edge and cavity modes using Brillouin light scattering spectro-microscopy in a nanostructured magnetic moir\'e lattice consisting of two twisted triangle antidot lattices based…

We present a combined numerical, theoretical and experimental study on stimulated three-magnon splitting in a magnetic disk in the vortex equilibrium state. Our micromagnetic simulations and Brillouin-light-scattering results confirm that…

Mesoscale and Nanoscale Physics · Physics 2020-11-18 Lukas Körber , Katrin Schultheiss , Tobias Hula , Roman Verba , Jürgen Faßbender , Attila Kákay , Helmut Schultheiss

The parametric excitation of spin waves by coherent surface acoustic waves is demonstrated experimentally in metallic magnetic thin film structures. The involved magnon modes are analyzed with micro-focused Brillouin light scattering…

Magnetostatic modes supported by a ferromagnetic sphere have been known as the Walker modes, each of which possesses an orbital angular momentum as well as a spin angular momentum along a static magnetic field. The Walker modes with…

Quantum Physics · Physics 2018-11-14 A. Osada , A. Gloppe , Y. Nakamura , K. Usami