20 Gb/s 85 $^{\circ}$ C Error-Free Operation of VCSELs Based on Submonolayer Deposition of Quantum Dots
2006
980 nm vertical-cavity surface-emitting lasers based on submonolayer growth of quantum dots show clearly open eyes and operate error free with bit error rates better than 10 at 25 and 85degC for 20 Gb/s without current adjustment. The peak differential efficiency only reduces from 0.71 to 0.61 W/A between 25 and 85degC; the maximum output power at 25degC is above 10 mW.
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