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Silicon photonics is a well established platform for the development of fully integrated optical devices for optical communication systems. In particular, the strong modal confinement typical of silicon waveguides enables the exploitation of nonlinear effects with much lower optical power levels. Different structures for all-optical signal processing have been reported in the last years, such as all...
A monolithic semiconductor ring laser is operated as an all-optical set-reset flip-flop triggered by external optical pulses. Bit-error-rate measurements of set-reset switchings under the injection of a pseudo-random-bit-sequence have been performed, showing reliable operation up to 10 Gb/s.
In this work, the authors report on the demonstration of a monolithic semiconductor ring laser (SRL) as an all-optical set-reset flip-flop (SRFF). The SRL has a racetrack cavity, with 150 mum radius connecting two straight sections of 200 mum. Two straight output waveguides provide 4 input/output ports that can be used to inject/extract optical signals. The devices operate continuous wave at room...
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