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September 10, 2025PhotonicsOpen Access

Low Phase Noise Millimeter-Wave Generation Based on Optoelectronic Feed-Forward

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The proposed scheme achieves a phase noise as low as −120 dBc/Hz at a 10 kHz offset, enhancing output quality.
Using an optoelectronic feed-forward mechanism, phase noise suppression can reach up to 36 dB at the same offset frequency.
Millimeter-wave generation at frequencies of 40 GHz and 50 GHz was achieved through an advanced system design and MZI structure.
The methodology avoids the typical phase noise deterioration seen in other high-frequency optoelectronic devices, improving overall performance.

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This approach demonstrates reduced phase noise in high-frequency signals, indicating improved generator performance.

Yang et al. (2025) studied this question.

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