Abstract

Two active Mach–Zehnder interferometers are integrated in a monolithic InPInGaAsP photonic integrated circuit. Together they form a crucial component for optical signal processing: an optical memory element or set–reset flip-flop. The switching time for this initial device is approximately 200 ps. The photonic integrated circuit contains active and passive optical components, including electro-optic phase shifters.

© 2005 Optical Society of America

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