Abstract

High reliability, high transmission speed and low power consumption laser diodes are required for optical interconnect. We have developed 1060 nm Vertical Cavity Surface Emitting Lasers (VCSELs) with InGaAs/GaAs strained quantum wells, oxide-confined and double intra-cavity structures for the requirement. In this paper, an extremely long term aging test close to the actual operating temperature was performed in condition of 90 °C and 6 mA. No degradation of optical power and threshold current has been observed up to 26,500 hours (3 years). The aging duration is equivalent to 80 years at 40 °C and 10 years at 70 °C using Ea = 0.7 eV. It indicates that our 1060 nm VCSELs can operate for the long duration.

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