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Enhanced Light emission efficiency from InGaN quantum wells using plasmonic metasurfaces

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Abstract

The control of light emission from InGaN quantum wells (QWs) is crucial for improving the performance of LEDs in various applications. Resonant plasmonic nanostructures were demonstrated to affect the properties of coupled emitters significantly. Here, we fabricate Al nanodisks on top of a GaN/sapphire wafer to control the angular far-field emission and enhance the collected light. This far-field photoluminescence (PL) emission is characterized by Fourier-imaging microscopy. Furthermore, we study the relationship between the PL and the pumping laser power, which is required to obtain enhancement in the collected light. The collection enhancement is up to a factor 3.2.

Original languageEnglish
Title of host publicationPhotonic and Phononic Properties of Engineered Nanostructures XIII
EditorsAli Adibi, Shawn-Yu Lin, Axel Scherer
PublisherSPIE
Number of pages3
ISBN (Electronic)9781510659681
ISBN (Print)9781510659674
DOIs
Publication statusPublished - 15 Mar 2023
EventPhotonic and Phononic Properties of Engineered Nanostructures XIII 2023 - San Francisco, United States
Duration: 30 Jan 20232 Feb 2023

Publication series

NameProceedings of SPIE
Volume12431
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferencePhotonic and Phononic Properties of Engineered Nanostructures XIII 2023
Country/TerritoryUnited States
CitySan Francisco
Period30/01/232/02/23

Funding

This work has been financially supported by the Nederlandse Organisatie voor Wetenschappelijk (NWO), domain Applied and Engineering Sciences (TTW), through grant no 17100 (NanoLEDs).

FundersFunder number
Nederlandse Organisatie voor Wetenschappelijk Onderzoek17100

    Keywords

    • Collection light enhancement
    • Fourier-imaging microscopy
    • LEDs
    • Plasmonics

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