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The temperature dependent performance of VCSELs based on sub-monolayer (SML) InGaAs quantum dots (QDs) with fully doped AlGaAs/GaAs DBRs is presented. The SML QD VCSEL shows extreme temperature insensitivity under high speed operated in 2.125 Gb/s from -40degC~100degC. The continue-wave (CW) light-current (LI) output characteristics of the laser is also studied.
A high-power, wide operation-range single-fundamental-mode InGaAs submonolayer (SML) quantum dot (QD) photonic crystal vertical-cavity surface-emitting laser (VCSEL) for fiber-optic applications was demonstrated. Single-fundamental-mode with a threshold current (Ith) of 0.9 mA and maximum continue-wave (CW) output power of 3.8 mW at 28 mA has been achieved in the 990 nm range. A side-mode suppression...
We have made MOCVD-grown InGaAs photonic crystal vertical-cavity surface-emitting lasers (PhC-VCSELs) for fiber-optic applications. Multi-mode InGaAs VCSELs have achieved a maximum power of over 1 mW. Single-mode characteristics of 0.18 mW of the PhC-VCSELs have been made by using the combined AlOx oxide layer with proton-implantion for better current confinement.
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