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Nitride blue lasers including an AlInN cladding lattice matched to GaN were fabricated. Lasing at 415 nm is observed at 300 K with a threshold current density of 7.5 kA/cm2 and a peak power of 140 mW at 1.2 A.
We report on the demonstration of low-loss, single-mode GaN-InAlN ridge waveguides (WGs) at fiber-optics telecommunication wavelengths. The structure grown by metal-organic vapor phase epitaxy contains AlInN cladding layers lattice-matched to GaN. For slab-like WGs propagation losses are below 3 dB/mm and independent of light polarization. For 2.6-mum-wide WGs the propagation losses in the 1.5- to...
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