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High-Frequency Performance of a High-Power Traveling Wave Photodetector with Parallel Optical Feed

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6 Author(s)
Beling, A. ; Univ. of Virginia, Charlottesville ; Bach, H.-G. ; Mekonnen, G.G. ; Kunkel, R.
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Phase- and impedance-matched traveling wave photodetector based on high-speed waveguide integrated photodiodes is demonstrated. InGaAs/InGaAsP heterostructure photodetector comprises of a mode field converter for effective fiber-chip coupling and a 1x4 multi-mode interference (MMI) power splitter of which output waveguides feed four p-i-n PDs. A coplanar waveguide (CPW) transmission line connects the PDs in parallel and collects the electrical output signal.

Published in:

Device Research Conference, 2007 65th Annual

Date of Conference:

18-20 June 2007