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

MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

1.1K
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...
1.1K
Modes of Operations of BJT01:21

Modes of Operations of BJT

2.1K
A Bipolar Junction Transistor (BJT) is a versatile component in electronics, functioning in four distinct modes based on the biasing of its junctions: active, saturation, cut-off, and inverted modes.
Active Mode: The most common mode for amplification, the active mode features a forward-biased emitter-base junction and a reverse-biased base-collector junction. This setup enables electrons to be injected from the emitter to the base while blocking the majority carriers at the collector. The...
2.1K

You might also read

Related Articles

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

Sort by
Same author

Enhancement of Interlayer Exciton Emission in a TMDC Heterostructure via a Multi-Resonant Chirped Microresonator Upto Room Temperature.

Advanced materials (Deerfield Beach, Fla.)·2024
Same author

Floating-gate memristor based on a MoS<sub>2</sub>/h-BN/AuNPs mixed-dimensional heterostructure.

Nanotechnology·2024
Same author

Near-IR Light-Tunable Omnidirectional Broadband Terahertz Wave Antireflection Based on a PEDOT:PSS/Graphene Hybrid Coating.

ACS applied materials & interfaces·2022
Same author

Radiative pattern of intralayer and interlayer excitons in two-dimensional WS<sub>2</sub>/WSe<sub>2</sub> heterostructure.

Scientific reports·2022
Same author

Microcavity-enhanced Kerr nonlinearity in a vertical-external-cavity surface-emitting laser: erratum.

Optics express·2021
Same author

Lead-Free Antimony Halide Perovskite with Heterovalent Mn<sup>2+</sup> Doping.

Inorganic chemistry·2020

Related Experiment Video

Updated: May 3, 2026

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

7.0K

Evolution of multi-mode operation in vertical-external-cavity surface-emitting lasers.

Matthias Wichmann, Mohammad Khaled Shakfa, Fan Zhang

    Optics Express
    |February 12, 2014
    PubMed
    Summary

    This study explores longitudinal multi-mode emission in vertical-external-cavity surface-emitting lasers. Stable two-color operation requires numerous oscillating longitudinal modes within each color.

    More Related Videos

    Characterization of Anisotropic Leaky Mode Modulators for Holovideo
    09:36

    Characterization of Anisotropic Leaky Mode Modulators for Holovideo

    Published on: March 19, 2016

    7.6K
    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

    11.0K

    Related Experiment Videos

    Last Updated: May 3, 2026

    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

    7.0K
    Characterization of Anisotropic Leaky Mode Modulators for Holovideo
    09:36

    Characterization of Anisotropic Leaky Mode Modulators for Holovideo

    Published on: March 19, 2016

    7.6K
    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

    11.0K

    Area of Science:

    • Laser Physics
    • Optoelectronics
    • Photonics

    Background:

    • Vertical-external-cavity surface-emitting lasers (VECSELs) exhibit complex emission dynamics.
    • Understanding longitudinal mode behavior is crucial for VECSEL applications.

    Purpose of the Study:

    • Investigate longitudinal multi-mode emission in VECSELs.
    • Analyze single- and two-color emission regimes.
    • Determine factors influencing emission bandwidth and mode operation.

    Main Methods:

    • Employed single-shot streak camera measurements.
    • Utilized interferometric measurement techniques.
    • Operated VECSELs in etalon (two-color) and free-running (single-color) configurations.

    Main Results:

    • Observed a sharp increase in emission bandwidth near the laser threshold.
    • Monitored the transition between single- and multi-mode longitudinal operation.
    • Found stable two-color operation correlates with a high number of longitudinal modes per color.

    Conclusions:

    • Longitudinal mode behavior in VECSELs is sensitive to pump power and resonator losses.
    • The number of oscillating longitudinal modes is a key factor for stable multi-color emission in VECSELs.