Green edge emitting lasers with porous GaN cladding-Reference-Cited by-同舟云学术

Green edge emitting lasers with porous GaN cladding

Published:2022-07-14 Issue:15 Volume:30 Page:27674
ISSN:1094-4087
Container-title:Optics Express
language:en
Short-container-title:Opt. Express

Author:

Anderson Ryan¹,Zhang Haojun¹^ORCID,Trageser Emily¹,Palmquist Nathan¹,Wong Matt¹,Nakamura Shuji¹,DenBaars Steven¹

Affiliation:

1. University of California

Abstract

GaN lasers with green emission wavelength at λ = 510 nm have been fabricated using novel nano-porous GaN cladding under pulsed electrical injection. The low slope efficiency of 0.13 W/A and high threshold current density of 14 kA/cm2 are related to a combination of poor injection efficiency and high loss, analyzed by the independent characterization methods of variable stripe length and segmented contacts. Continuous wave operation showed narrowed spectra and augmented spontaneous emission.

Funder

Defense Advanced Research Projects Agency

U.S. Department of Energy

Solid State Lighting and Energy Electronics Center, University of California Santa Barbara

National Science Foundation

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics

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