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Progress on advanced active and passive photonic components that are required for high-speed optical communications over hollow-core photonic bandgap fiber at wavelengths around 2 μm is described in this paper. Single-frequency lasers capable of operating at 10 Gb/s and covering a wide spectral range are realized. A comparison is made between waveguide and surface normal photodiodes with the latter...
In this paper we present a transmission line design to achieve phase matched lines for high-speed optical modulators. The layout presented is for transmission lines that start off equally spaced. The mathematical relation to achieve phase matching between the lines is derived by making the path length difference zero. Example transmission line layouts using co-planar waveguide are generated based...
We present an efficient modelling method based on quasi-static TEM analysis to design travelling wave InP Mach-Zehnder modulators. The analysis uses a conformal mapping technique to determine the equivalent circuit elements directly from the physical structure of the modulator waveguide layer stack. These elements are then used to investigate the propagation properties of the phase shifting section...
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