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A compact and fast Photonic True-Time-Delay Beamformer with integrated Spot-Size Converters

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Abstract

First results are reported on a very compact InP-based True-Time-Delay beamformer with integrated Spot-size converters, based on a vertical taper. The chip has been designed for controlling the beam of a 4-element microwave patch antenna operating at 40 GHz. The fiber-chip coupling of the SSCs is 3.5 dB.

© 2006 Optical Society of America

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