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

478
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...
478
MOSFET: Depletion Mode01:20

MOSFET: Depletion Mode

470
Depletion-mode MOSFETs represent a unique subset of MOSFET technology, functioning fundamentally differently from their enhancement-mode counterparts. Unlike enhancement MOSFETs, which require a positive gate-source voltage (Vgs) to turn on, depletion-mode MOSFETs are inherently conductive and "normally on" devices.
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity...
470

You might also read

Related Articles

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

Sort by
Same author

Plant-derived extracellular vesicles as bioactive nanoplatforms: Biogenesis, therapeutic evidence, and translational challenges.

Biochemistry and biophysics reports·2026
Same author

The metabolic change trajectory of skeletal muscle during the life cycle: arteriovenous metabolomics.

Life medicine·2026
Same author

Deep learning-based quantitative histopathology of endoscopic biopsies in Crohn's disease: a retrospective cross-sectional validation study.

Frontiers in immunology·2026
Same author

Direct resist-free patterning of an organic semiconductor via thermal scanning probe lithography.

Discover nano·2026
Same author

Life-span-dependent transcriptional dynamics of the human heart.

Science advances·2026
Same author

An asynchronous production line of meiotic prophase I in the mouse fetal ovary.

Experimental cell research·2026
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
See all related articles

Related Experiment Video

Updated: Sep 11, 2025

Characterization of Anisotropic Leaky Mode Modulators for Holovideo
09:36

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

8.0K

Compact mode-insensitive variable optical attenuation enabled by inverse-designed mode manipulation devices.

Shanglin Yang, Xin Fu, Shiqi Zhang

    Optics Express
    |August 13, 2025
    PubMed
    Summary
    This summary is machine-generated.

    Researchers developed compact, mode-insensitive variable optical attenuators (VOAs) for optical communication. These devices overcome size limitations of current multimode technology, enabling enhanced integration of on-chip optical systems.

    More Related Videos

    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

    21.9K
    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

    11.5K

    Related Experiment Videos

    Last Updated: Sep 11, 2025

    Characterization of Anisotropic Leaky Mode Modulators for Holovideo
    09:36

    Characterization of Anisotropic Leaky Mode Modulators for Holovideo

    Published on: March 19, 2016

    8.0K
    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

    21.9K
    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

    11.5K

    Area of Science:

    • Photonics and Optical Engineering
    • Integrated Optics
    • Optical Communication Systems

    Background:

    • Growing demand for data capacity drives interest in mode-division multiplexing (MDM) for optical communication.
    • Mode-insensitive variable optical attenuation is crucial for consistent performance in advanced multimode optical systems.
    • Existing multimode variable attenuators are bulky and complex, hindering integration.

    Purpose of the Study:

    • To explore and validate mode-insensitive phase tuning schemes for compact variable optical attenuators (VOAs).
    • To overcome the size limitations of current multimode optical devices.
    • To enable enhanced integration of on-chip optical systems using multimode components.

    Main Methods:

    • Investigated two mode-insensitive phase tuning schemes: waveguide widening and mode transformation.
    • Developed compact, mode-insensitive VOAs on a silicon-on-insulator (SOI) platform.
    • Utilized inverse-designed mode manipulation devices to achieve miniaturization.

    Main Results:

    • Achieved VOAs with footprints comparable to single-mode devices, addressing the size barrier.
    • Demonstrated robust mode-insensitive attenuation with dynamic ranges of 38.4 dB and 19.6 dB for the two schemes.
    • Validated the effectiveness of the proposed mode manipulation devices and VOA designs.

    Conclusions:

    • The developed mode manipulation devices and VOAs represent a significant advancement in compact multimode optical components.
    • These innovations support the trend towards greater integration of on-chip optical systems.
    • The proposed schemes offer efficient and scalable solutions for future optical communication technologies.