Impact of planar microcavity effects on light extraction-Part I: basic concepts and analytical trends, IEEE Journal of Quantum Electronics, vol.34, issue.9, p.1612, 16321998. ,
DOI : 10.1109/3.709578
Waveguide study and refractive indices of GaN:Mg epitaxial film, Optics Letters, vol.21, issue.19, pp.1529-1996 ,
DOI : 10.1364/OL.21.001529