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GHz modulation bandwidth from single-longitudinal mode violet-blue VCSEL using nonpolar InGaN/GaN QWs

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Abstract

We achieved a -3dB modulation bandwidth of 1GHz with an ultra-low capacitance of < 1pF in a 419nm vertical-cavity surface-emitting lasers (VCSEL). The VCSEL is based on nonpolar InGaN/GaN quantum-wells and a tunnel-junction intracavity contact.

© 2016 Optical Society of America

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