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Related Concept Videos

Standing Waves in a Cavity01:28

Standing Waves in a Cavity

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Sound Waves: Resonance01:14

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Resonance is produced depending on the boundary conditions imposed on a wave. Resonance can be produced in a string under tension with symmetrical boundary conditions (i.e., has a node at each end). A node is defined as a fixed point where the string does not move. The symmetrical boundary conditions result in some frequencies resonating and producing standing waves, while other frequencies interfere destructively. Sound waves can resonate in a hollow tube, and the frequencies of the sound...
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Related Experiment Video

Updated: Jun 19, 2026

Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
12:21

Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators

Published on: April 4, 2016

Autoresonant dynamics of optical guided waves.

Assaf Barak1, Yuval Lamhot, Lazar Friedland

  • 1Physics Department, Technion - Israel Institute of Technology, Haifa 32000, Israel.

Physical Review Letters
|October 2, 2009
PubMed
Summary

We observed autoresonance phenomena in optics for the first time. This involves a sharp transition to nonlinear phase locking and amplified optical waves in a specific light-wave system.

Area of Science:

  • Nonlinear optics
  • Wave dynamics
  • Optical physics

Background:

  • Nonlinear directional couplers are key components in integrated optics.
  • Understanding wave dynamics in such systems is crucial for optical signal processing.

Purpose of the Study:

  • To theoretically and experimentally investigate autoresonant dynamics of optical waves.
  • To demonstrate autoresonance phenomena in a spatially chirped nonlinear directional coupler.
  • To observe the transition to nonlinear phase locking and amplification.

Main Methods:

  • Theoretical analysis of autoresonant dynamics.
  • Experimental investigation using a spatially chirped nonlinear directional coupler.
  • Adiabatic passage through a linear resonance in a weakly coupled light-wave system.

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Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

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Related Experiment Videos

Last Updated: Jun 19, 2026

Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
12:21

Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators

Published on: April 4, 2016

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
12:18

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

Main Results:

  • Observed a sharp threshold transition to nonlinear phase locking.
  • Demonstrated amplification of optical waves to predetermined amplitudes.
  • Confirmed the first observation of autoresonance phenomena in optics.

Conclusions:

  • Autoresonance is a significant phenomenon in nonlinear optics.
  • The study provides a novel method for controlling and amplifying optical waves.
  • This research opens new avenues for applications in optical devices and systems.