论文信息 - 30-GHz small-signal modulation bandwidth with directly current-modulated 980-nm oxide-aperture VCSELs

30-GHz small-signal modulation bandwidth with directly current-modulated 980-nm oxide-aperture VCSELs

Directly current-modulated 980-nm vertical-cavity surface-emitting lasers (VCSELs) with oxide-aperture-diameters of 1.5-μm exhibit small-signal −3-dB modulation bandwidths of 31 and 25-GHz and maximum single-mode light-output-powers of 3 and 2-mW at 25 and 85°C, respectively. The side-mode-suppression-ratio exceeds 40-dB at bias currents above threshold.

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