B. Thibeault, K. Bertilsson, E. Hegblom, P. Floyd, L. Coldren
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引用次数: 2
Abstract
Summary form only given. In this paper, we characterize the modulation characteristics of oxide-apertured vertical-cavity InGaAs-GaAs DBR QW lasers. A bandwidth of 15.3 GHz at only 2.1 mA of current with a state-of-the-art modulation current efficiency of 14 GHz/mA/sup 1/2 / is demonstrated for a 3.1 /spl mu/m diameter device. We show that the intrinsic speed is limited to /spl sim/46 GHz by gain compression and that a 10 GHz parasitic limits current device performance.
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