Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

MOSFET: Enhancement Mode

MOSFET: Enhancement Mode

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...

You might also read

Related Articles

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

Sort by

Same author

Differential Image Sensor With Decoupled Static and Dynamic Outputs.

Advanced materials (Deerfield Beach, Fla.)·2026

Same author

Preliminary Reliability and Validity of SynapTrack, a Smartphone-Based Digital Biomarker Platform for Remote Assessment of Cervical Spondylotic Myelopathy.

medRxiv : the preprint server for health sciences·2026

Same author

Oxytocin modulates glucose metabolism to protect against cardiac remodeling via the STAT3/eNOS Axis.

Cellular signalling·2026

Same author

Horn-Shaped Perforator Flaps for Plantar.

Journal of clinical medicine·2026

Same author

Polarization dependent emission characteristics of Rayleigh scattering in nanoparticle-doped optical fibers.

Optics express·2026

Same author

Preparation of sustainable high-performance grouting material developed with high volume solid waste.

Journal of environmental management·2026

Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026

Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026

Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026

Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026

Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026

Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026

See all related articles

Search research articles

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

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

Published on: November 22, 2019

Dispersion-tuned mode-locked optoelectronic oscillator.

Zhuoran Wang, Santiago Bernal, David V Plant

|May 1, 2026

Summary

This summary is machine-generated.

This study introduces the first dispersion-tuned mode-locked optoelectronic oscillator (OEO). This novel device achieves discrete frequency tuning from 4.08 GHz to 5.08 GHz using a chirped microwave photonic filter.

More Related Videos

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

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

Published on: February 28, 2016

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

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

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

Published on: November 22, 2019

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

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

Published on: February 28, 2016

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Area of Science:

Photonics
Optoelectronics
Microwave Engineering

Background:

Mode-locked optoelectronic oscillators (OEOs) are crucial for generating high-frequency signals.
Traditional OEOs face limitations in precise frequency control and tuning.
Developing tunable OEOs is essential for advanced communication and signal processing systems.

Purpose of the Study:

To demonstrate a novel dispersion-tuned mode-locked optoelectronic oscillator (OEO) for the first time.
To achieve discrete frequency tuning in OEOs through dispersion manipulation.
To explore a new method for frequency control in OEOs.

Main Methods:

Utilized a sliced amplified spontaneous emission (ASE) source and dispersion-compensating fiber (DCF) to create a flat, highly chirped microwave photonic filter.
Employed a recirculating loop to form a comb filter for single-mode oscillation and sidemode suppression.
Implemented harmonic mode-locking by sweeping the modulation frequency to achieve dispersion tuning.

Main Results:

Successfully demonstrated a dispersion-tuned mode-locked OEO.
Achieved discrete frequency tuning of the OEO output from 4.08 GHz to 5.08 GHz in four distinct steps.
Maintained a high sidemode suppression ratio under harmonic mode-locking.

Conclusions:

The developed dispersion-tuned OEO offers a new approach for precise frequency control.
The use of a chirped microwave photonic filter is key to enabling dispersion tuning.
This technology has potential applications in tunable microwave signal generation.