24 October 2005 160Gb/s OTDM clock recovery
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In this work, we demonstrate clock recovery from a patterned 160Gb/s optical-time-division-multiplexed (OTDM) return-to-zero (RZ) data stream. A cascaded LiNbO3 Mach-Zehnder modulator is employed as an efficient optical-electrical mixer. A phase-locked-loop (PLL) is used to lock the cross-correlation component between the optical signal and a local oscillating signal. As a result, clock signal at 10GHz is extracted from the 160Gb/s optical TDM signal. The measured root-mean-square (RMS) timing jitter of the 10GHz clock signal is ~ 130fs.
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H. Dong, H. Dong, Q. Wang, Q. Wang, H. Sun, H. Sun, G. Zhu, G. Zhu, N. K. Dutta, N. K. Dutta, } "160Gb/s OTDM clock recovery", Proc. SPIE 6014, Active and Passive Optical Components for WDM Communications V, 60140U (24 October 2005); doi: 10.1117/12.629021; https://doi.org/10.1117/12.629021

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