Picosecond ultrasonics with miniaturized semiconductor lasers

Kobecki, Michael; Tandoi, G.; Gaetano, Eugenio Di; Sorel, Marc; Scherbakov, A. V.; Czerniuk, Thomas; Schneider, Christian; Kamp, M.; Höfling, Sven; Акимов, А. В.; Bayer, М.

doi:10.1016/j.ultras.2020.106150

Cited by 10 publications

(4 citation statements)

References 23 publications

(26 reference statements)

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“…Resonant excitation of coherent magnons with phase and wavevector locking has been demonstrated using solid-state lasers with repetition rates of 1 and 10 GHz [94] , [95] . In turn, excitation of coherent phonons has been realized by means of a miniature semiconductor mode-locked laser with a repetition rate of 16 GHz [96] . Combining these approaches paves the way for constructing miniature phonon-driven generators of spin currents and ac- magnetic fields for applications outside a the research lab containing bulky equipment such as optical tables etc.…”

Section: Discussionmentioning

confidence: 99%

Ultrafast magnetoacoustics in Galfenol nanostructures

Scherbakov,

Linnik,

Kukhtaruk

et al. 2023

Photoacoustics

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Section: Discussionmentioning

confidence: 99%

Ultrafast magnetoacoustics in Galfenol nanostructures

Scherbakov,

Linnik,

Kukhtaruk

et al. 2023

Photoacoustics

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“…First steps have also been made to miniaturize the entire picosecond acoustics system aiming for future on-chip implementation. [137] There are many other systems that can be interfaced with acoustic pulses. These include colloidal nanocrystals, [138] plasmonic, [139,140] or magnonic structures.…”

Section: Picosecond Acousticsmentioning

confidence: 99%

“…First steps have also been made to miniaturize the entire picosecond acoustics system aiming for future on‐chip implementation. [ 137 ]…”

Section: Dynamical Phonon Control Of Quantum Dot Excitonsmentioning

confidence: 99%

Remote Phonon Control of Quantum Dots and Other Artificial Atoms

2021

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To exploit the full potential of chips for quantum technologies, it is worth considering all possible opportunities offered by the solid state. The aspect covered in this article is the use of phononic fields to remotely influence the optical properties of artificial atoms. The three most commonly used strain sources are discussed, that is, mechanical resonators, surface acoustic waves, and picosecond acoustic pulses. All three platforms are routinely interfaced with quantum dots and other qubits in basic research, which renders a first step toward large scale implementation in quantum applications. A central question regarding the interaction between lattice oscillations and the optically active artificial atoms deals with the characteristic time scales of the two components. The influence of this aspect on the expected optical response on the phononic driving is discussed. Besides well known semiconducting quantum dots and color centers that typically operate in the visible spectral range, the more recently discovered artificial atoms in layered van der Waals materials are discussed. Due to their flexibility and robustness, these crystals promise vast opportunities for future applications. Another important building block lies in superconducting qubits that allow to resonantly generate quantum phonon states and therefore establish the field of quantum acoustics.

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“…Высокая частота следования лазерных импульсов при малой энергии одиночного импульса (∼ 10 pJ), являющаяся особенностью SMLL, не является ограничивающим фактором, несмотря на малые изменения параметров возбуждаемой структуры с периодом, который значительно короче характерных времен релаксации. Недавние эксперименты с металлическими пленками показали, что амплитуда и длительность импульсов деформации, генерируемых с помощью SMLL, достаточна для прямого оптического детектирования [139]. Такие импульсы могут быть использованы для сверхбыстрого управления магнитной анизотропией.…”

Section: сверхбыстрое лазерно-индуцированное управление магнитной анизотропией за пределами научной лабораторииunclassified

Сверхбыстрое Лазерно-Индуцированное Управление Магнитной Анизотропией Наноструктур

Калашникова¹,

Хохлов²,

Шелухин³

et al. 2021

Журнал Технической Физики

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Employing short laser pulses with a duration below 100 fs for changing magnetic state of magnetically-ordered media has developed into a distinct branch of magnetism —femtomagnetism which aims at controlling magnetization at ultimately short timescales. Among plethora of femtomagnetic phenomena, there is a class related to impact of femtosecond pulses on magnetic anisotropy of materials and nanostructures which defines orientation of magnetization, magnetic resonance frequencies and spin waves propagation. We present a review of main experimental results obtained in this field. We consider basic mechanisms responsible for a laser-induced change of various anisotropy types: magnetocrystalline, magnetoelastic, interfacial, shape anisotropy, and discuss specifics of these processes in magnetic metals and dielectrics. We consider several examples and describe features of magnetic anisotropy changes resulting from ultrafast laser-induced heating, impact of laser-induced dynamic and quasistatic strains and resonant excitation of electronic states. We also discuss perspectives of employing various mechanisms of laser-induced magnetic anisotropy change for enabling processes prospective for developing devices. We consider precessional magnetization switching for opto-magnetic information recording, generation of high-frequency strongly localized magnetic excitations and fields for magnetic nanotomography and hybrid magnonics, as well as controlling spin waves propagation for optically-reconfigurable magnonics. We further discuss opportunities which open up in studies of ultrafast magnetic anisotropy changes because of using short laser pulses in infrared and terahertz ranges.

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Picosecond ultrasonics with miniaturized semiconductor lasers

Cited by 10 publications

References 23 publications

Ultrafast magnetoacoustics in Galfenol nanostructures

Ultrafast magnetoacoustics in Galfenol nanostructures

Remote Phonon Control of Quantum Dots and Other Artificial Atoms

Сверхбыстрое Лазерно-Индуцированное Управление Магнитной Анизотропией Наноструктур

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