MHz to GHz Bandwidth Tunable Integrated Brillouin Microwave Photonic Filter

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Parihar, Reena
Lai, Choon Kong
Zhang, Ziqian
Choi, Duk Yong
Madden, Stephen J.
Eggleton, Benjamin J.
Merklein, Moritz
Choudhary, Amol

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We demonstrate the first chip-based, GHz-class Brillouin microwave photonic filter, achieving reconfigurable RF bandwidth over 5 octaves, from 30MHz to 1.2GHz and frequency agility from 10-40GHz, with a switchable filter response between bandpass and bandstop.

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