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Lithographic and Oxide-Free Vertical Cavity Surface Emitting Laser

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Abstract

All-epitaxial oxide-free vertical-cavity surface-emitting lasers (VCSELs) are demonstrated. 4-µm-diameter VCSEL is shown with threshold current of 350 µA, slope efficiency of 0.77 W/A, wall-plug efficiency of 21% and output power of 6.3 mW.

© 2010 Optical Society of America

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