Abstract
We report a silicon nitride chip-based radio-frequency photonic notch filter with an unprecedented performance including an RF gain of 8dB, a record-low noise figure of 15.6dB, and a spurious-free dynamic range of 116 dB·Hz2/3, with a stop band rejection of 50dB. 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.
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