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

You might also read

Related Articles

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

Sort by

Same author

Unidirectional emission of GaN-on-Si microring laser and its on-chip integration.

Nanophotonics (Berlin, Germany)·2024

Same author

NLRP3-inflammasome inhibition by MCC950 attenuates cardiac and pulmonary artery remodelling in heart failure with preserved ejection fraction.

Life sciences·2023

Same author

Performance improvement of GaN-based microdisk lasers by using a PEALD-SiO<sub>2</sub> passivation layer.

Optics express·2023

Same author

The Efficacy and Safety of Cryoballoon Versus Radiofrequency Ablation for the Treatment of Atrial Fibrillation: A Meta-Analysis of 15 International Randomized Trials.

Cardiology in review·2023

Same author

Therapeutic effects and safety of early use of sacubitril/valsartan after acute myocardial infarction: a systematic review and meta-analysis.

Annals of palliative medicine·2022

Same author

Atorvastatin rescues pulmonary artery hypertension by inhibiting the AKT/ERK-dependent PDGF-BB/HIF-1α axis.

Panminerva medica·2021

Search research articles

Related Experiment Video

Updated: Sep 25, 2025

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

Electrically injected GaN-on-Si blue microdisk laser diodes.

Yongjun Tang, Meixin Feng, Hanru Zhao

|April 27, 2022

Summary

Researchers developed the first electrically injected blue microdisk laser diodes on silicon substrates. These lasers offer high-speed performance for augmented reality, virtual reality, and visible light communication applications.

More Related Videos

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Local Field Fluorescence Microscopy: Imaging Cellular Signals in Intact Hearts

Local Field Fluorescence Microscopy: Imaging Cellular Signals in Intact Hearts

Published on: March 8, 2017

Related Experiment Videos

Last Updated: Sep 25, 2025

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Local Field Fluorescence Microscopy: Imaging Cellular Signals in Intact Hearts

Local Field Fluorescence Microscopy: Imaging Cellular Signals in Intact Hearts

Published on: March 8, 2017

Area of Science:

Semiconductor physics and optoelectronics.
Materials science for novel device fabrication.

Background:

III-nitride blue microdisk lasers are crucial for augmented reality, virtual reality, and visible light communication.
Previous designs suffered from weak optical confinement and high absorption loss, hindering development.
Electrically pumped blue microdisk lasers have faced significant challenges for decades.

Purpose of the Study:

To engineer waveguide and cladding layers for improved optical confinement.
To reduce internal absorption loss in III-nitride blue microdisk laser diodes.
To achieve the first electrically injected blue microdisk laser diodes on silicon substrates.

Main Methods:

Careful engineering of waveguide layers.
Strategic design of cladding layers.
Fabrication of microdisk laser diodes on silicon substrates.

Main Results:

Successfully fabricated the first electrically injected blue microdisk laser diodes on Si substrates.
Achieved enhanced optical confinement and reduced internal absorption loss.
Demonstrated a resistor-capacitance-limited bandwidth of 24.1 GHz.

Conclusions:

The engineered III-nitride blue microdisk laser diodes show significant promise for high-speed applications.
This breakthrough overcomes previous limitations in optical confinement and absorption loss.
The developed lasers are suitable for high-speed and large-modulation-bandwidth visible light communication.