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O. Guziy; S. Grzanka; M. Leszczyński; P. Perlin; M. Schemmann; H. W. M. Salemink (2012)
Publisher: AIP Publishing LLC
Journal: AIP Advances
Languages: English
Types: Article
Subjects: Physics, QC1-999

Classified by OpenAIRE into

arxiv: Physics::Optics, Astrophysics::Cosmology and Extragalactic Astrophysics
Identifiers:doi:10.1063/1.4742971
We demonstrate an integrated tunable coupled-cavity InGaN/GaN laser with the emission wavelength centered on 409 nm. The electronic tuning range was 1.6 nm and threshold currents were 650 mA per cavity for 8.7-?m-wide laser ridges. Multimode laser emission with an average full width at half maximum of 0.3 nm was observed. We estimate the refractive index change due to free-carrier injection and optical gain to explain the experimental tuning range.

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