All-optimized integrated RF photonic notch filter

Y. Liu, J. Hotten, A. Choudhary, B.J. Eggleton, D. Marpaung*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

68 Citations (Scopus)


We report a silicon nitride chip-based radio-frequency photonic notch filter with an unprecedented performance including an RF gain of 8 dB, a record-low noise figure of 15.6 dB, and a spurious-free dynamic range of 116  dB·Hz2/3116  dB·Hz2/3, with a stop band rejection of 50 dB. This level of performance is achieved by using on-chip resonators’ unique phase responses, and thorough optimizations of the photonic link. These record results will potentially stimulate future implementations of integrated microwave photonic subsystems for real-world applications.
Original languageEnglish
Pages (from-to)4631-4634
JournalOptics letters
Issue number22
Publication statusPublished - 2017
Externally publishedYes


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