Integrated multichannel photonic receiver
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United States of America Patent
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Jan 23, 2018
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app pub date -
Aug 16, 2016
filing date -
Aug 18, 2015
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Abstract
An integrated multi-channel photonic radio-frequency (RF) receiver system includes a master oscillator including a laser source configured to generate laser light. A local oscillator (LO) path may include an LO generator, an LO modulator, an optical LO filter, and an optical amplifier optically coupled to one another to generate an LO signal. Multiple RF-modulation channels are coupled through an optical switch to a number of channel filters and configured to produce a number of filtered RF-modulated optical signals. An optical combiner may combine the LO signal with each filtered RF-modulated optical signal to generate down-converted optical signals. Each channel of the plurality of RF-modulation channels includes a channel laser coupled to a channel modulator, and the LO generator and channel lasers of the RF-modulation channels are fed by the laser light of the master oscillator.
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