Improving radio-over-fiber systems using modulation instability phenomenon for satellite communication application
(2025) 025 edition of ICEAA and IEEE-APWC — Location: Palermo, Italy (8.September.2025)
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- Abstract
- This paper proposes a low-cost, high-gain, low-noise microwave photonic structure using the modulation instability (MI) phenomenon for radio-over-fiber (RoF) systems. Conventionally, in modern satellite communication, the RoF structures always suffer from limitations of modulators that work at the high half-wave voltage (Vπ) in high frequency and high noise, especially in case of weak signal reception. We demonstrate how the MI phenomenon improves the modulator’s bias voltage. Therefore it is also possible to obtain acceptable gain and reduce optical shot noise without any complications by employing the proposed structure. Our suggested RoF structure can operate in the desired frequency band using a fiber switching control system. Therefore, this system can reach a high gain by increasing the fiber length without needing external pumps. As a result, the SNR and the Vπ improve noticeably.
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Citations
Zakeri, H., Azizpour, R., Moradi, G., Alibakhshikenari, M., Huynen, I., Livreri, P., & Saber, T. (2025). Improving radio-over-fiber systems using modulation instability phenomenon for satellite communication application. Proceedings of the 2025 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC), 5 p. https://doi.org/10.1109/APWC65665.2025.11190417 (Original work published 2025)