High-performance Al0.48In0.52As/Ga0.47In0.53As MSM-HEMT receiver OEIC grown by MOCVD on patterned InP substrates

Abstract
We report the first demonstration of a new long-wavelength receiver OEIC comprising an AlInAs/GaInAs MSM detector and an AlInAs/GalnAs HEMT preamplifier. The layer structure was grown by LP-MOCVD on patterned InP substrates, which allowed independent optimisation of the MSM detector and HEMT preamplifier. The MSM detector showed the lowest leakage current yet reported and the HEMT exhibited a transconductance of 260mS/mm. An excellent receiver response to l.7Gbit/s NRZ signals has been obtained.

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