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Related Concept Videos

Electromagnetic Waves in Matter01:30

Electromagnetic Waves in Matter

Electromagnetic waves can travel in the vacuum as well as in matter. For example light, which is an electromagnetic wave, can travel through air, water, or glass.
Consider the electromagnetic wave passing through a dielectric medium. In such a case, Maxwell's equations get modified. In Ampere's law, ε0 , the dielectric permittivity of free space is replaced with ε, the permittivity of dielectric. Also, the vacuum permeability μ0 is replaced by the permeability of the medium, μ.
Furthermore, the...
Oscillations In An LC Circuit01:30

Oscillations In An LC Circuit

An idealized LC circuit of zero resistance can oscillate without any source of emf by shifting the energy stored in the circuit between the electric and magnetic fields. In such an LC circuit, if the capacitor contains a charge q before the switch is closed, then all the energy of the circuit is initially stored in the electric field of the capacitor. This energy is given by
The de Broglie Wavelength02:32

The de Broglie Wavelength

In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...
Standing Waves in a Cavity01:28

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
Oscillations about an Equilibrium Position01:04

Oscillations about an Equilibrium Position

Stability is an important concept in oscillation. If an equilibrium point is stable, a slight disturbance of an object that is initially at the stable equilibrium point will cause the object to oscillate around that point. For an unstable equilibrium point, if the object is disturbed slightly, it will not return to the equilibrium point. There are three conditions for equilibrium points—stable, unstable, and half-stable. A half-stable equilibrium point is also unstable, but is named so because...
Forced Oscillations01:06

Forced Oscillations

When an oscillator is forced with a periodic driving force, the motion may seem chaotic. The motions of such oscillators are known as transients. After the transients die out, the oscillator reaches a steady state, where the motion is periodic, and the displacement is determined.

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Updated: Jun 22, 2026

Fabrication and Testing of Microfluidic Optomechanical Oscillators
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Fabrication and Testing of Microfluidic Optomechanical Oscillators

Published on: May 29, 2014

Collective oscillations in optical matter.

F J García De Abajo

    Optics Express
    |June 24, 2009
    PubMed
    Summary
    This summary is machine-generated.

    Collective oscillations in optical lattices enable stable atom and nanoparticle arrays. This research explores their dynamics, offering potential for quantum technology and signal processing applications.

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    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
    09:23

    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

    Published on: May 30, 2014

    Area of Science:

    • Physics, specifically optical physics and condensed matter physics.
    • Nanotechnology and materials science, focusing on nanoparticle manipulation.
    • Quantum science and technology, exploring potential applications.

    Background:

    • Atom and nanoparticle arrays are confined using optical lattices, creating 'optical matter'.
    • Collective oscillations in these arrays are influenced by external light fields.
    • Understanding the mechanical stability and dynamics of these arrays is crucial.

    Purpose of the Study:

    • To investigate collective oscillations in atom and nanoparticle arrays within optical lattices.
    • To determine the relationship between oscillation frequency, light field strength, and array stability.
    • To explore potential applications in quantum information technology and signal processing.

    Main Methods:

    • Theoretical study of collective oscillations in various array configurations (dimers, strings, 2D arrays).
    • Analysis of dynamical response for laterally confined particles in optical channels.
    • Examination of oscillation spectra to infer mechanical stability.

    Main Results:

    • Collective oscillations sustain atom and nanoparticle arrays with frequencies proportional to light field strength.
    • Oscillation spectra directly correlate with the mechanical stability of the arrays.
    • Demonstrated collective motion in partially confined systems (particles in optical channels).

    Conclusions:

    • The study introduces fundamental concepts of dynamical response in optical matter.
    • The findings provide a basis for developing new quantum information technologies.
    • Proposed experimental realizations pave the way for practical applications in signal processing.