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

You might also read

Related Articles

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

Sort by
Same author

A Water-Soluble Diarylethene Base for Light-Controlled pH Modulation in Biological Systems.

Journal of the American Chemical Society·2026
Same author

Wide-waveband and wide-angle blazing meta-fringe grating with global structural and angular dispersion engineering.

Optics express·2026
Same author

Multi-exposure detail block fusion algorithm for polarization-preserving denoising of low-light polarization spectral images.

Applied optics·2026
Same author

Electric Double Layer Phenomena Near Surfaces Irreversibly Trigger Assembly of Tau Protein.

Journal of the American Chemical Society·2026
Same author

Enhancing Sorbate-Sorbent Interactions via Anchoring Multiple Nitrogen Sites into Multilayered Porous Carbons Enables Superior Toluene Capture.

Environmental science & technology·2026
Same author

Enhanced emission efficiency and directionality in InGaN/GaN microLEDs laterally enclosed by distributed Bragg reflectors.

Optics express·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: Feb 25, 2026

Surface Enhanced Raman Spectroscopy Detection of Biomolecules Using EBL Fabricated Nanostructured Substrates
11:44

Surface Enhanced Raman Spectroscopy Detection of Biomolecules Using EBL Fabricated Nanostructured Substrates

Published on: March 20, 2015

21.4K

Enhanced light extraction from free-standing InGaN/GaN light emitters using bio-inspired backside surface

Christopher D Pynn, Lesley Chan, Federico Lora Gonzalez

    Optics Express
    |August 10, 2017
    PubMed
    Summary
    This summary is machine-generated.

    Researchers enhanced light extraction from Indium Gallium Nitride/Gallium Nitride (InGaN/GaN) light emitters. A novel colloidal lithography method created nano- and micro-scale features, boosting light output significantly.

    More Related Videos

    Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures
    07:23

    Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures

    Published on: November 14, 2025

    437
    Bioluminescent Optogenetics 2.0: Harnessing Bioluminescence to Activate Photosensory Proteins In Vitro and In Vivo
    07:19

    Bioluminescent Optogenetics 2.0: Harnessing Bioluminescence to Activate Photosensory Proteins In Vitro and In Vivo

    Published on: August 4, 2021

    5.3K

    Related Experiment Videos

    Last Updated: Feb 25, 2026

    Surface Enhanced Raman Spectroscopy Detection of Biomolecules Using EBL Fabricated Nanostructured Substrates
    11:44

    Surface Enhanced Raman Spectroscopy Detection of Biomolecules Using EBL Fabricated Nanostructured Substrates

    Published on: March 20, 2015

    21.4K
    Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures
    07:23

    Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures

    Published on: November 14, 2025

    437
    Bioluminescent Optogenetics 2.0: Harnessing Bioluminescence to Activate Photosensory Proteins In Vitro and In Vivo
    07:19

    Bioluminescent Optogenetics 2.0: Harnessing Bioluminescence to Activate Photosensory Proteins In Vitro and In Vivo

    Published on: August 4, 2021

    5.3K

    Area of Science:

    • Materials Science
    • Optoelectronics
    • Nanotechnology

    Background:

    • Efficient light extraction is crucial for InGaN/GaN based light-emitting devices.
    • Current methods for enhancing light extraction often have limitations in scalability or applicability to different crystal orientations.

    Purpose of the Study:

    • To develop a simple, scalable, and reproducible method for enhancing light extraction in InGaN/GaN light emitters.
    • To investigate the effectiveness of nano- and micro-scale features created by colloidal lithography on light extraction efficiency.

    Main Methods:

    • Utilized colloidal lithography with Langmuir-Blodgett dip-coating and silica masks (170-2530 nm) to create hexagonally close-packed conical features.
    • Employed Cl2/N2-based plasma etching to achieve features with a 3:1 aspect ratio on semipolar GaN substrates.
    • Optically pumped InGaN/GaN multiple-quantum-well (MQW) structures and quantified light extraction using angle-resolved photoluminescence.

    Main Results:

    • Achieved a 4.8-fold overall enhancement in light extraction, with a 9-fold enhancement at normal incidence, using a 2530 nm feature pitch.
    • The performance is comparable to existing photoelectrochemical (PEC) roughening methods.
    • Demonstrated applicability to semipolar and nonpolar GaN devices, overcoming limitations of PEC methods.

    Conclusions:

    • Colloidal lithography offers a viable and versatile alternative for backside structuring of GaN-based light emitters.
    • The developed technique provides significant light extraction enhancement and is independent of GaN crystal orientation.
    • This method presents a promising approach for improving the efficiency of various GaN optoelectronic devices.