Synchronous subnanosecond clock and data recovery for optically switched data centres using clock phase caching
Synchronous subnanosecond clock and data recovery for optically switched data centres using clock phase caching
复制标题
使用时钟相位缓存的光交换数据中心的同步亚纳秒时钟和数据恢复
DOI:
10.1038/s41928-020-0423-y
复制
发表时间:
2020
影响因子:
34.3
通讯作者:
Clark K
中科院分区:
文献类型:
--
作者:
Clark K
The rapid growth in the amount of data being transferred within data centres, combined with the slowdown in Moore’s Law, creates challenges for the future scalability of electronically switched data-centre networks. Optical switches could offer a future-proof alternative, and photonic integration platforms have been demonstrated with nanosecond-scale optical switching times. End-to-end switching time is, however, currently limited by the clock and data recovery time, which typically takes microseconds, removing the benefits of nanosecond optical switching. Here we show that a clock phase caching technique can provide clock and data recovery times of under 625 ps (16 symbols at 25.6 Gb s−1). Our approach uses the measurement and storage of clock phase values in a synchronized network to simplify clock and data recovery versus conventional asynchronous approaches. We demonstrate the capabilities of our technique using a real-time prototype with commercial transceivers and validate its resilience against temperature variation and clock jitter.
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DOI:
10.1109/ecoc.2018.8535333
发表时间:
2018
期刊:
--
影响因子:
--
作者:
Clark K
通讯作者:
Clark K
影响因子:
1.1
作者:
A. Lord;L. C. Blank;J. M. Boggis;E. Bryant;W. A. Stallard
通讯作者:
W. A. Stallard
DOI:
10.1109/isscc.2018.8310286
发表时间:
2018
期刊:
2018 IEEE International Solid - State Circuits Conference - (ISSCC)
影响因子:
--
作者:
Ilter Özkaya;A. Cevrero;P. Francese;C. Menolfi;M. Braendli;T. Morf;D. Kuchta;L. Kull;M. Kossel;D. Luu;M. Meghelli;Y. Leblebici;T. Toifl
通讯作者:
T. Toifl
影响因子:
0.5
作者:
B. Bostica;M. Burzio;P. Gambini;L. Zucchelli
通讯作者:
L. Zucchelli
DOI:
--
发表时间:
2018
期刊:
Optical Fiber Communications Conference and Exhibition
影响因子:
--
作者:
Hitesh Ballani;Paolo Costa;István Haller;Krzysztof Jozwik;Kai Shi;B. Thomsen;Hugh Williams
通讯作者:
Hugh Williams