Wholly optically controlled phased array radar transmitter

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United States of America Patent

PATENT NO 9689968
SERIAL NO

14595149

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Abstract

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A wholly optically controlled phased array transmitter with integrated tunable optoelectronic oscillators, which are based on multi-wavelength optical sources and optical true time delay units, and optical time delay networks, having a multi-wavelength optical source, a first wavelength division multiplexer, a first optical splitter, a first electro-optic modulator, a second optical splitter, a first optical amplifier, a first optical time delay network, a photodetector, an electric amplifier, a DC-block, a second electro-optic modulator, a second optical amplifier, a second optical time delay network, an optical combiner, a second wavelength division multiplexer, an optical fibers, a photodetector array, a T/R component array, a microwave antenna array, a 1×2 optical switch, a 2×2 optical switch, a circulator, a third wavelength division multiplexer, a bundle of optical fibers with precise lengths, and a Faraday rotation mirror.

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Patent Owner(s)

Patent OwnerAddress
SHANGHAI JIAO TONG UNIVERSITY200240 NO 800 DONGCHUAN ROAD SHANGHAI MINHANG DISTRICT MUNICIPAL DISTRICT SHANGHAI CITY 200240

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Jianping Shanghai, CN 78 291
Liu, Chenjun Shanghai, CN 3 12
Yu, Anliang Shanghai, CN 12 11
Zou, Weiwen Shanghai, CN 15 39

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