Time-interleaved sampling analog-to-digital conversion utilizing photonic radio frequency memory

Xuan Wang; Zhuo-hang Zhang; Mei-li Shen; Lei Huang; Qi-hui Zhou; Jiang-hua Zhang; Xin Zheng

doi:10.1117/12.2654942

15 December 2022 Time-interleaved sampling analog-to-digital conversion utilizing photonic radio frequency memory

Xuan Wang, Zhuo-hang Zhang, Mei-li Shen, Lei Huang, Qi-hui Zhou, Jiang-hua Zhang, Xin Zheng

Proceedings Volume 12478, Thirteenth International Conference on Information Optics and Photonics (CIOP 2022); 124784C (2022) https://doi.org/10.1117/12.2654942
Event: Thirteenth International Conference on Information Optics and Photonics (CIOP 2022), 2022, Xi'an, China

Abstract

A novel photonic-assisted time-interleaved sampling analog-to-digital converter (ADC) utilizing photonic radio frequency memory (PRFM) is proposed. The analog modulated optical signal can be duplicated by PRFM and digitized by a slower electronic ADC, thus increasing of equivalent sampling rate to hundreds of times. A microwave photonic link simulation model investigating the performance of sampling an RF signal with a 55ns duration and 500MHz bandwidth was conducted with 4.9 effective number of bits (ENOB). The equivalent sampling rate reached more than 3.6 GSample/s, an increase of over 360 times of the original 10 MSample/s rate.

Citation Download Citation

Xuan Wang, Zhuo-hang Zhang, Mei-li Shen, Lei Huang, Qi-hui Zhou, Jiang-hua Zhang, and Xin Zheng "Time-interleaved sampling analog-to-digital conversion utilizing photonic radio frequency memory", Proc. SPIE 12478, Thirteenth International Conference on Information Optics and Photonics (CIOP 2022), 124784C (15 December 2022); https://doi.org/10.1117/12.2654942

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