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We present a frequency modulation technique for calibration of the displacement actuators of the LIGO 4-km-long interferometric gravitational-wave detectors. With the interferometer locked in a single-arm configuration, we modulate the…

General Relativity and Quantum Cosmology · Physics 2015-03-17 E. Goetz , R. L. Savage

Nanostructures of conventional metals offer manipulation of light at the nanoscale but are limited to static behavior due to their fixed material properties. To develop the next frontier of dynamic nanooptics and metasurfaces, we utilize…

The ability to engineer both linear and non-linear coupling with a mechanical resonator is an important goal for the preparation and investigation of macroscopic mechanical quantum behavior. In this work, a measurement based scheme is…

Quantum Physics · Physics 2011-12-02 M. R. Vanner

A capacitive coupling between mechanical resonator and a microwave cavity enables readout and manipulation of the vibrations. We present a setup to carry out such experiments with aluminum membranes fabricated as stamps and transferred in…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Maria Berdova , Sung Un Cho , Juha-Matti Pirkkalainen , Jaakko Sulkko , Xuefeng Song , Pertti J. Hakonen , Mika A. Sillanpaa

By tuning the radiative coupling of localized surface plasmons to diffracted orders, we demonstrate how stop-gaps in plasmonic crystals of nanorods may be opened and tuned. The stop-gap arises from the mutual coupling of surface lattice…

Optomechanical crystals are a promising device platform for quantum transduction and sensing. Precise targeting of the optical and acoustic resonance frequencies of these devices is crucial for future advances on these fronts. However,…

Optical manipulation has attracted remarkable interest owing to its versatile and non-invasive nature. However, conventional optical trapping remains inefficient for the nanoscopic world. The emergence of plasmonics in recent years has…

Optics · Physics 2021-02-03 Domna G. Kotsifaki , Viet Giang Truong , Sile Nic Chormaic

Cavity optomechanical systems are being widely developed for precision force and displacement measurements. For nanomechanical transducers, there is usually a trade-off between the frequency ($f_{M}$) and quality factor ($Q_{M}$), which…

Optics · Physics 2015-10-28 R. Zhang , C. Ti , M. I. Davanco , Y. Ren , V. Aksyuk , Y. Liu , K. Srinivasan

Dielectrics' refractive index limits photonics miniaturization. By coupling light to metal's free electrons, plasmonic devices achieve deeper localization, which scales with the device geometric size. However, when localization approaches…

Atomic force microscopy (AFM) is an analytical surface characterization tool which can reveal a sample's topography with high spatial resolution while simultaneously probing tip-sample interactions. Local measurement of chemical properties…

Applied Physics · Physics 2018-09-06 Omur E. Dagdeviren , Yoichi Miyahara , Aaron Mascaro , Peter Grutter

Plasmonic detectors have the potential to provide a method of rapid spectroscopy without the need of moving mirrors or gratings. Previous measurements have demonstrated frequency tunable detection based on plasmonic excitations, however…

Materials Science · Physics 2015-02-09 Che Jin Bae , Deepu George , Rohit Singh , Gottfried Strasser , Andrea Markelz

Remarkable features have been predicted for the mechanical fluctuations at the bistability transition of a classical oscillator coupled capacitively to a quantum dot [Phys. Rev. Lett. 115, 206802 (2015)]. These results have been obtained in…

Mesoscale and Nanoscale Physics · Physics 2018-04-25 Rémi Avriller , B Murr , F. Pistolesi

We present a new approach to tuning fork-based atomic force microscopy for utilizing advanced "tip-on-chip" probes with high sensitivity and broad compatibility. Usually, such chip-like probes with a size reaching 2 mm x 2 mm drastically…

Instrumentation and Detectors · Physics 2022-05-19 H. Tunç Çiftçi , Michael Verhage , Tamar Cromwijk , Laurent Pham Van , Bert Koopmans , Kees Flipse , Oleg Kurnosikov

We study the agility of current-tunable oscillators based on a magnetic vortex orbiting around a point contact in spin-valves. Theory predicts frequency-tuning by currents occurs at constant orbital radius, so an exceptional agility is…

Mesoscale and Nanoscale Physics · Physics 2019-09-11 M. Manfrini , T. Devolder , Joo-Von Kim , P. Crozat , N. Zerounian , C. Chappert , W. Van Roy , L. Lagae , G. Hrkac , T. Schrefl

Delay line oscillators based on photonic components, such as the optoelectronic oscillator (OEO), offer the potential for realization of phase noise levels orders of magnitude lower than achievable by conventional microwave sources. Fibre…

Signal Processing · Electrical Eng. & Systems 2023-01-25 Mehedi Hasan , Charles Nicholls , Keegan Pitre , Trevor Hall

The quality factor of a mechanical resonator is an important figure of merit for various sensing applications and for observing quantum behavior. Here, we demonstrate a technique to push the quality factor of a micro-mechanical resonator…

Mesoscale and Nanoscale Physics · Physics 2012-05-29 K. -K. Ni , R. Norte , D. J. Wilson , J. D. Hood , D. E. Chang , O. Painter , H. J. Kimble

The development and characterisation of a piezoelectric actuated high-frequency MEMS scanning mirror with on-chip frequency tuning capability is reported. The resonant scanner operates at frequencies in excess of 140 kHz, generating scan…

Applied Physics · Physics 2022-06-15 Paul Janin , Deepak Uttamchandani , Ralf Bauer

We demonstrate an optimal quantum control strategy for the deterministic preparation of entangled harmonic oscillator states in trapped ions. The protocol employs dynamical phase modulation of laser-driven Jaynes-Cummings and…

Coupled nanomechanical resonators are interesting for both fundamental studies and practical applications as they offer rich and tunable oscillation dynamics. At present, the mechanical coupling in such systems is often mediated by a fixed…

Mesoscale and Nanoscale Physics · Physics 2020-11-10 G. J. Verbiest , M. Goldsche , J. Sonntag , T. Khodkov , N. von den Driesch , D. Buca , C. Stampfer

The Fano resonance of a single symmetry broken Ag nanodisk under a normal incidence was investigated by using finite-difference time-domain (FDTD) simulations. The asymmetry line shape of the Fano resonance was controlled by modifying the…

Mesoscale and Nanoscale Physics · Physics 2011-05-10 Zheyu Fang , Junyi Cai , Zhongbo Yan , Nathaniel K. Grady , Xing Zhu
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