engleski

Room-temperature performance of double-fused 1.54 um vertical-cavity lasers

The progress in understanding wafer-fused vertical-cavity lasers and improvements in fabrication techniques have led to the realization of the first room-temperature continuous-wave operating 1.54-um vertical- cavity lasers. By demonstrating continuous-wave operation at room temperature using vertical- cavity lasers fabricated by two wafer fusion steps, we have shown that wafer fusion is a viable technique. The lasers comprise strain compensated InGaAsP quantum-well active layers sandwiched between two AlGaAs/GaAs quarter-wave mirrors. Characteristics discussed include cavity losses, the gain-current density relationship, and voltage-current characteristics.

Vertical cavity surface emitting lasers, Mirrors, Optical pulse generation, Absorption, Pulse measurements, Quantum well lasers, Doping, Temperature, Propagation losses, Size measurement

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