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

Vertically integrated gate-all-around nano-LED with enhanced radiative efficiency.

Optics express·2026

Same author

Epitaxy and Characterization of Ultrathin (10 nm) GaSb/AlSb Heterostructures Directly on Si(001).

ACS applied materials & interfaces·2026

Same author

Ambient ammonia synthesis from air via tandem water microdroplets-driven oxidation and pulsed photoelectrochemical reduction.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same author

High efficiency, high color purity red micro-light-emitting diodes.

Light, science & applications·2026

Same author

Dual-state stepwise methane-to-methanol conversion by water droplets with excellent yield and selectivity.

Proceedings of the National Academy of Sciences of the United States of America·2025

Same author

Photocatalytic Overall Water Splitting at the Integrated Rh-MoRhO<sub>x</sub> Cluster Heterostructure on InGaN/GaN Nanowires.

Angewandte Chemie (International ed. in English)·2025

Same journal

Spider-Silk-Like Single-Fiber Actuators with Two Actuation Modes Driven by Water.

Nano letters·2026

Same journal

Clicking 1,4-Dithiin Conjugated Dimaleimides for Chiroptical Evolution and Nanofabrication.

Nano letters·2026

Same journal

Dynamic Quantum Gate Based on Controllable Chiral Liquid Crystal Nanostructure.

Nano letters·2026

Same journal

Activating Phase-Transition Toughening in van der Waals Semiconductor GaTe.

Nano letters·2026

Same journal

Dual-Mode Nucleation and Dynamic Alloying of Silicon on Ag(111).

Nano letters·2026

Same journal

Surface-Neutralized HgCdSe Quantum Dots for High-Detectivity Infrared Photodetectors.

Nano letters·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Apr 6, 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

Optically Pumped Two-Dimensional MoS2 Lasers Operating at Room-Temperature.

Omid Salehzadeh¹, Mehrdad Djavid¹, Nhung Hong Tran¹

¹Department of Electrical and Computer Engineering, McGill University, 3480 University Street, Montreal, Quebec H3A 0E9, Canada.

|July 28, 2015

Summary

This summary is machine-generated.

Researchers achieved room-temperature lasing from two-dimensional (2D) transition metal dichalcogenides (TMDCs) using 2D MoS2. This breakthrough enables new possibilities for flexible optoelectronic devices and semiconductor lasers.

Keywords:

MoS2 gain lasing photoluminescence whispering gallery mode

More Related Videos

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

Related Experiment Videos

Last Updated: Apr 6, 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

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

Area of Science:

Materials Science
Optoelectronics
Nanotechnology

Background:

Two-dimensional (2D) transition metal dichalcogenides (TMDCs) are direct bandgap semiconductors crucial for next-generation flexible optoelectronic devices.
Realizing a semiconductor laser based on 2D TMDCs is a key objective for advancing optoelectronic technology.

Purpose of the Study:

To demonstrate room-temperature lasing from 2D TMDCs for the first time.
To investigate the performance characteristics of a novel 2D TMDC-based laser device.

Main Methods:

Embedding two-dimensional molybdenum disulfide (2D MoS2) at the interface of a free-standing microdisk and microsphere.
Utilizing a unique optical cavity design for strong light-matter coupling.
Performing continuous wave (CW) optical pumping experiments at room temperature.

Main Results:

Achieved room-temperature lasing from 2D TMDCs, a first in the field.
Observed multiple lasing peaks spanning approximately 600 to 800 nm.
Measured a low threshold power of ~5 μW with no output power saturation up to 2 orders of magnitude above the threshold.

Conclusions:

The demonstrated 2D TMDC laser exhibits superior performance due to the high gain of TMDCs and effective optical mode coupling.
This work paves the way for practical applications of 2D TMDCs in flexible optoelectronics and laser technologies.