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The authors report the successful monolithic integration of a GaInAsP/InP single-mode Delta kappa directional coupler switch with a 4-section tunable multiple-quantum-well distributed Bragg reflector laser. They obtain several mW of output power through the switch, with approximately 10 dB crosstalk either from the internal laser source or with external light injected through the parallel input port...
A monolithically-integrated wavelength converter on an InP platform with a semiconductor optical amplifier in each arm of a differential Mach-Zehnder interferometer is presented. The data input has a tunable coupler that adjusts the splitting ratio of the optical power sent to each arm. Wavelength conversion at 40 Gbit/s is demonstrated and a conversion penalty of 2 dB is found when less optical power...
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