Spin–Phonon Interfaces in Coupled Nanomechanical Cantilevers

Oeckinghaus, Thomas; Momenzadeh, Sirous; Scheiger, Philipp; Shalomayeva, Tetyana; Finkler, Amit; Dasari, Durga Bhaktavatsala Rao; Stöhr, Rainer; Wrachtrup, Jörg

doi:10.1021/acs.nanolett.9b04198

Cited by 19 publications

(12 citation statements)

References 58 publications

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“…Utilizing the cavity-electromechanical transduction scheme could be a promising approach for nanomechanical spin-sensing [36][37][38] and quantum transduction for long-distance spin-spin interactions 39,40…”

Section: Discussionmentioning

confidence: 99%

Superconducting Nanoelectromechanical Transducer Resilient to Magnetic Fields

Cha

Kim

et al. 2021

Nano Lett.

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Nanoscale electromechanical coupling provides a unique route towards control of mechanical motions and microwave fields in superconducting cavity electromechanical devices. Though their successes in utilizing the optomechanical or electromechanical back-action effects for various purposes, aluminum imposes severe constraints on their operating conditions with its low superconducting critical temperature (1.2 K) and magnetic field (0.01 T). To extend the potential of the devices, here we fabricate a superconducting electromechanical device employing niobium and demonstrate a set of cavity electromechanical dynamics including back-action cooling and amplification, and electromechanically induced reflection at 4.2 K and in strong magnetic fields up to 0.8 T. This device could be used to realize electromechanical microwave components for quantum technologies by integrating amplifiers, converters, and circulators on a single chip that can be installed at the 4K stage of dilution refrigerators.Moreover, with its ability to control and readout nanomechanical motions simultaneously, this niobium electromechanical transducer could provide powerful nanomechanical sensing platforms.

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Section: Discussionmentioning

confidence: 99%

Superconducting Nanoelectromechanical Transducer Resilient to Magnetic Fields

Cha

Kim

et al. 2021

Nano Lett.

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“…Oeckinghaus et al connected the spin with the coupled cantilever system and showed their correlation. In addition, the coherent spin–spin coupling induced by common mode is analyzed, and the entanglement generation between long-distance spins is estimated [ 76 ].…”

Section: Application Of Resonant Sensormentioning

confidence: 99%

The Recent Progress of MEMS/NEMS Resonators

et al. 2021

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MEMS/NEMS resonators are widely studied in biological detection, physical sensing, and quantum coupling. This paper reviews the latest research progress of MEMS/NEMS resonators with different structures. The resonance performance, new test method, and manufacturing process of single or double-clamped resonators, and their applications in mass sensing, micromechanical thermal analysis, quantum detection, and oscillators are introduced in detail. The material properties, resonance mode, and application in different fields such as gyroscope of the hemispherical structure, microdisk structure, drum resonator are reviewed. Furthermore, the working principles and sensing methods of the surface acoustic wave and bulk acoustic wave resonators and their new applications such as humidity sensing and fast spin control are discussed. The structure and resonance performance of tuning forks are summarized. This article aims to classify resonators according to different structures and summarize the working principles, resonance performance, and applications.

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“…In the presence of strain or a large magnetic field gradient, these spins (two-level systems) couple to a position-dependent magnetic field i.e., the spins experience a phase shift of their energy states that depends on the position of the cantilever. The coupling between single spin and a given mechanical mode of frequency ω m is determined by the zero point motion of the oscillator and the magnetic field gradient [30]. The Hamiltonian describing the dispersive interaction between the spin and the NMO (in units of = 1) is given by…”

Section: Spin-mechanical Systemmentioning

confidence: 99%

Ancilla assisted Discrete Time Crystals in Non-interacting Spin Systems

Geng¹,

Vorobyov²,

Dasari³

et al. 2021

Preprint

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We show here through experiments and exact analytical models the emergence of discrete time translation symmetry breaking in non-interacting systems. These time-periodic structures become stable against perturbations only in the presence of their interaction with their ancillary quantum system and display subharmonic response over a range of rotation angle errors. We demonstrate this effect for central spin and spin-mechanical systems, where the ancillary induced interaction among the spins stabilizes the spin dynamics against finite errors. Further, we extend these studies and show the possibility to even achieve non-local (remote) synchronization of such Floquet crystals.

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Spin–Phonon Interfaces in Coupled Nanomechanical Cantilevers

Cited by 19 publications

References 58 publications

Superconducting Nanoelectromechanical Transducer Resilient to Magnetic Fields

Superconducting Nanoelectromechanical Transducer Resilient to Magnetic Fields

The Recent Progress of MEMS/NEMS Resonators

Ancilla assisted Discrete Time Crystals in Non-interacting Spin Systems

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