Abstract

An energy efficient 1060 nm GaAs-based oxide-confined vertical-cavity surface-emitting laser designed for high-speed modulation and singlemode emission has been developed. A record data rate of 50 Gbit/ s at an energy dissipation of 100 fJ/ bit is demonstrated for a device with > 50 dB side-mode-suppression and 0.2 mA threshold current, making this laser a promising light source for long-reach optical interconnects.

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