Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Standing Waves in a Cavity01:28

Standing Waves in a Cavity

1.1K
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:
1.1K
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

536
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
536

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Neutral delay differential equation model of an optically injected Kerr cavity.

Physical review. E·2024
Same author

Decoherence and Turbulence Sources in a Long Laser.

Physical review letters·2023
Same author

Short- and long-range temporal cavity soliton interaction in delay models of mode-locked lasers.

Physical review. E·2022
Same author

Turbulent coherent structures in a long cavity semiconductor laser near the lasing threshold: publisher's note.

Optics letters·2020
Same author

Turbulent coherent structures in a long cavity semiconductor laser near the lasing threshold.

Optics letters·2020
Same author

Convective Nozaki-Bekki holes in a long cavity OCT laser.

Optics express·2019
Same journal

Erratum: Low-dimensional model for adaptive networks of spiking neurons [Phys. Rev. E 111, 014422 (2025)].

Physical review. E·2026
Same journal

Disentangling the effects of many-body forces on depletion interactions.

Physical review. E·2026
Same journal

Charge transport and mode transition in dual-energy electron beam diodes.

Physical review. E·2026
Same journal

Optimization of multisite reactions in complex compartmentalized media.

Physical review. E·2026
Same journal

Origin of geometric cohesion in nonconvex granular materials: Interplay between interdigitation and rotational constraints enhancing frictional stability.

Physical review. E·2026
Same journal

Interaction of walkers with a standing Faraday wave.

Physical review. E·2026
See all related articles

Related Experiment Video

Updated: Oct 23, 2025

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
14:18

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

11.6K

Generalized Haus master equation model for mode-locked class-B lasers.

Michel Nizette1, Andrei G Vladimirov2

  • 1Département de Physique, Faculté des Sciences, Université Libre de Bruxelles, CP 231, Campus Plaine, B-1050 Bruxelles, Belgium.

Physical Review. E
|August 20, 2021
PubMed
Summary
This summary is machine-generated.

This study introduces a generalized mode-locking model that captures complex laser dynamics. The new model explains instabilities leading to harmonic mode-locking, unlike older models.

More Related Videos

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

7.7K
The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
12:14

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

22.0K

Related Experiment Videos

Last Updated: Oct 23, 2025

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
14:18

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

11.6K
Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

7.7K
The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
12:14

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

22.0K

Area of Science:

  • Nonlinear optics
  • Laser physics
  • Theoretical physics

Background:

  • The conventional class-B Haus model describes mode-locking but has limitations in explaining certain instabilities.
  • Understanding laser dynamics is crucial for developing advanced laser technologies.

Purpose of the Study:

  • To develop a generalized class-B Haus model that incorporates both slow and fast gain dynamics.
  • To analyze instabilities in mode-locked lasers, including Q-switched and leading-edge instabilities.
  • To explain the emergence of harmonic mode-locking regimes.

Main Methods:

  • Development of a generalized partial differential equation model using an asymptotic technique.
  • Analysis of gain response to both averaged field intensity and fast dynamics.
  • Comparison of the new model's predictions with the conventional class-B Haus model.

Main Results:

  • The generalized model successfully accounts for slow gain response and fast gain dynamics.
  • The model predicts Q-switched instability of the fundamental mode-locking regime.
  • The model explains leading-edge instability, leading to harmonic mode-locking with increased pump power.

Conclusions:

  • The developed generalized model offers a more comprehensive description of mode-locking dynamics.
  • This enhanced model provides new insights into laser instability mechanisms.
  • The findings are significant for the design and control of mode-locked lasers.