Abstract
This paper demonstrates a monolithic 1.3-\mum/1.5-\mum wavelength demultiplexing photodetector fabricated using Ar ion laser-assisted metal organic molecular beam epitaxy (MOMBE) growth. Reduction of crosstalk to {-}24 dB is accomplished in both 1.3-\mum and 1.5-\mum wavelength regions. The dependence of the crosstalk on the coupling efficiency between the fiber and device and the polarization dependence of the responsivity is also discussed.
[IEEE ]
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