High-Power, High-Brightness Al-free Active Region Tapered Lasers at 975 nm with Planar, Fully Gain Guided Geometry

24 September 2006

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planar, fully gain guided tapered lasers deliver 1.5 W CW, with M2 = 1.6, T0 = 143 K and a slow axis divergence of only 1.3° FWHM and 2.4° at 1/e2.