980nm intracavity-contacted oxide-aperture vertical-cavity surface-emitting lasers (VCSELs) with high modulation bandwidth up to 11GHz have been demonstrated. Asymmetric oxidation was used for reduction of parasitic capacitance and for relaxation of current crowding at oxide aperture rim. The modulation current efficiency factor (MCEF) of 5.6GHz/mA1/2 was also achieved.
Intracavity-contacted VCSELs using asymmetric oxidation for high-speed optical interconnects
2008-12-01
320847 byte
Conference paper
Electronic Resource
English
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