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We explore the viability of using optical refrigeration as a low-vibration cooling method for a phase-sensitive optomechanical amplifier proposed to improve the sensitivity of future gravitational wave detectors. We find that with moderate…

Optics · Physics 2022-12-06 Samuel Schulz , Yehonathan Drori , Christopher Wipf , Rana X Adhikari

We harness the momentum of light resonating inside a micro-droplet cavity, to experimentally generate micro-flows within the envelope of the drop. We 3D map these optically induced flows by using fluorescent nanoparticles; which reveals…

Optics · Physics 2016-09-16 Daniel Bar-David , Shai Maayani , Leoplodo L. Martin , Tal Carmon

The resonant buildup of light within optical microcavities elevates the radiation pressure which mediates coupling of optical modes to the mechanical modes of a microcavity. Above a certain threshold pump power, regenerative mechanical…

Optics · Physics 2007-05-23 T. J. Kippenberg , H. Rokhsari , K. J. Vahala

Cavity-enhanced radiation pressure coupling between optical and mechanical degrees of freedom allows quantum-limited position measurements and gives rise to dynamical backaction enabling amplification and cooling of mechanical motion. Here…

The development of microfluidic devices is still hindered by the lack of robust fundamental building blocks that constitute any fluidic system. An attractive approach is optical actuation because light field interaction is contactless and…

We propose a method to spatially confine or corral the movements of a micropendulum via the optical forces produced by two simultaneously excited optical modes of a photonic molecule comprising two microspherical cavities. We discuss how…

Optics · Physics 2015-05-13 J. M. Ward , Y. Wu , V. G. Minogin , S. Nic Chormaic

Optical circulators are important components of modern day communication technology. With their ability to route photons directionally, these nonreciprocal elements provide useful functionality in photonic circuits and offer prospects for…

Methods for controlling the motion of single particles, optically levitated in vacuum, have developed rapidly in recent years. The technique of cold damping makes use of feedback-controlled, electrostatic forces to increase dissipation…

Mechanical resonators based on low-dimensional materials are promising for force and mass sensing experiments. The force sensitivity in these ultra-light resonators is often limited by the imprecision in the measurement of the vibrations,…

Mesoscale and Nanoscale Physics · Physics 2016-09-22 Peter Weber , Johannes Güttinger , Adrien Noury , Jorge Vergara-Cruz , Adrian Bachtold

One of the most fundamental problems in optomechanical cooling is how small the thermal phonon number of a mechanical oscillator can be achieved under the radiation pressure of a proper cavity field. Different from previous theoretical…

Quantum Physics · Physics 2017-06-12 Bing He , Liu Yang , Qing Lin , Min Xiao

We create squeezed light by exploiting the quantum nature of the mechanical interaction between laser light and a membrane mechanical resonator embedded in an optical cavity. The radiation pressure shot noise (fluctuating optical force from…

Quantum Physics · Physics 2013-10-23 T. P. Purdy , P. -L. Yu , R. W. Peterson , N. S. Kampel , C. A. Regal

Strong optical forces with minimal spontaneous emission are desired for molecular deceleration and atom interferometry applications. We report experimental benchmarking of such a stimulated optical force driven by ultrafast laser pulses. We…

Atomic Physics · Physics 2019-07-23 Xueping Long , Scarlett S. Yu , Andrew M. Jayich , Wesley C. Campbell

We derive expressions for the photophoretic force on opaque spherical particles in a dilute gas in the optically thick regime where the radiation field is in local thermal equilibrium. Under those conditions, the radiation field has a…

Earth and Planetary Astrophysics · Physics 2015-10-14 Colin P. McNally , Alexander Hubbard

Recent experimental developments showed that the use of the radiation pressure, induced by a continuous laser wave, to control fluid-fluid interface deformations at the microscale, represents a very promising alternative to electric or…

Soft Condensed Matter · Physics 2010-07-26 Hamza Chraibi , Didier Lasseux , Régis Wunenburger , Eric Arquis , Jean-Pierre Delville

Optically trapped nanospheres in high-vaccum experience little friction and hence are promising for ultra-sensitive force detection. Here we demonstrate measurement times exceeding $10^5$ seconds and zeptonewton force sensitivity with…

Optics · Physics 2016-05-11 Gambhir Ranjit , Mark Cunningham , Kirsten Casey , Andrew A. Geraci

A new scheme of three-dimensional (3D) all-optical (nonmagnetic) cooling and trapping of resonant atoms, based on using of so-called rectified radiation forces in non-monochromatic light fields is presented. It can be applied to the atoms…

Optics · Physics 2010-09-17 I. V. Krasnov

A photonic force microscope comprises of an optically trapped micro-probe and a position detection system to track the motion of the probe. Signal collection for motion detection is often carried out using the backscattered light off the…

Instrumentation and Detectors · Physics 2015-05-28 Sambit Bikas Pal , Arijit Haldar , Basudev Roy , Ayan Banerjee

The radiation pressure of light can act to damp and cool the vibrational motion of a mechanical resonator. In understanding the quantum limits of this cooling, one must consider the effect of shot noise fluctuations on the final thermal…

Quantum Physics · Physics 2016-02-17 R. W. Peterson , T. P. Purdy , N. S. Kampel , R. W. Andrews , P. -L. Yu , K. W. Lehnert , C. A. Regal

We propose the experimental scheme and present detailed theory of the optical chopper which functionality is based on the balance between the Casimir and light pressures. The proposed device consists of two atomically thin metallic mirrors…

Optics · Physics 2018-07-18 G. L. Klimchitskaya , V. M. Mostepanenko , V. M. Petrov , T. Tschudi

Harmonic oscillators belong to the most fundamental concepts in physics and are central to many current research fields such as circuit QED, cavity optomechanics and photon-pressure systems. Here, we engineer a microwave mode in a…

Quantum Physics · Physics 2024-05-24 Ines C. Rodrigues , Gary A. Steele , Daniel Bothner
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