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Title: Green edge emitting lasers with porous GaN cladding

Journal Article · · Optics Express
DOI: https://doi.org/10.1364/OE.460739 · OSTI ID:1876114
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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/cm 2 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.

Research Organization:
University of California, Santa Barbara, CA (United States)
Sponsoring Organization:
Defense Advanced Research Projects Agency (DARPA); National Science Foundation (NSF); USDOE; USDOE Advanced Research Projects Agency - Energy (ARPA-E); University of California Santa Barbara
Grant/Contract Number:
AR0000671
OSTI ID:
1876114
Journal Information:
Optics Express, Journal Name: Optics Express Journal Issue: 15 Vol. 30; ISSN 1094-4087; ISSN OPEXFF
Publisher:
Optical Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English

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