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Related Concept Videos

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.
Cascaded Op Amps01:16

Cascaded Op Amps

Operational amplifiers (op-amps) are versatile electronic components that can be interconnected in a cascade - one after another in a linear sequence. This cascading is possible due to their infinite input resistance and zero output resistance, allowing them to maintain their input-output relationships even when connected in series.
In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...

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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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Published on: May 30, 2014

Field patterns in periodically modulated optical parametric amplifiers and oscillators.

V A Brazhnyi1, V V Konotop, S Coulibaly

  • 1Centro de Física Teórica e Computacional, Universidade de Lisboa, Complexo Interdisciplinar, Avenida Professor Gama Pinto 2, Lisboa 1649-003, Portugal. brazhnyi@cii.fc.ul.pt

Chaos (Woodbury, N.Y.)
|October 2, 2007
PubMed
Summary
This summary is machine-generated.

Researchers studied localized and periodic field patterns in optical parametric devices. They developed methods to construct and analyze these patterns in amplifiers and oscillators.

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Area of Science:

  • Nonlinear Optics
  • Quantum Optics
  • Laser Physics

Background:

  • Optical parametric amplifiers (OPAs) and oscillators (OPOs) are key devices for generating light at new frequencies.
  • Understanding the spatial properties of light fields within these devices is crucial for their efficient operation and application.
  • Previous studies have explored various aspects of light propagation, but systematic construction of localized and periodic patterns remains an area of interest.

Purpose of the Study:

  • To investigate the formation and characteristics of spatially localized and periodic field patterns in periodically modulated optical parametric amplifiers and oscillators.
  • To develop systematic methods for constructing stationary localized modes in the degenerate case of optical parametric amplifiers.
  • To explore methods for generating periodic solutions in optical parametric oscillators by tailoring the external driving field.

Main Methods:

  • Theoretical analysis of nonlinear optical wave propagation in periodically modulated media.
  • Systematic construction of stationary localized modes in degenerate optical parametric amplifiers.
  • Numerical simulations to study the properties and stability of these modes.
  • Development of a method to engineer periodic solutions in optical parametric oscillators by adjusting the driving field.

Main Results:

  • A systematic method for constructing stationary localized modes in degenerate optical parametric amplifiers was elaborated.
  • Properties and stability of these localized modes were investigated.
  • A method for constructing periodic solutions in optical parametric oscillators was described, involving the adjustment of the external driven field to match specific signal or pump beam profiles.

Conclusions:

  • Spatially localized and periodic field patterns can be systematically constructed and controlled in periodically modulated optical parametric devices.
  • The developed methods offer pathways for designing and optimizing optical parametric amplifiers and oscillators with desired field distributions.
  • This work contributes to a deeper understanding of nonlinear light propagation and pattern formation in optical systems.