Green edge emitting lasers with porous GaN cladding
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.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Jul 14, 2022
- Source ID
- 10.1364/oe.460739
Entities
People
- Emily Trageser
- Haojun Zhang
- Matt Wong
- Nathan Palmquist
- Ryan Anderson
- Shuji Nakamura
- Steven P. DenBaars
Organizations
- Defense Advanced Research Projects Agency
- National Science Foundation
- Solid State Lighting and Energy Electronics Center, University of California Santa Barbara
- United States Department of Energy
- University of California