This Edge-illuminated InGaAs/InP monitor PIN photodiode chip with large active area, which is planar structure with anode and double cathode on top. Edge detectable area size is 100μmX80μm, and higher responsivity in the wavelength region from 980nm to 1620nm.Applied to monitoring the optical power output from the back facet of various LD, FTTH digital optical communications and optical interconnection.
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