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Chow, C.W.; Ellis, Andrew D.; Parmigiani, F.
Publisher: OPTICAL SOC AMER
Journal: OPTICS EXPRESS
Languages: English
Types: Article
Subjects:
Recently, there is a great interest in pushing communication technologies to 100 Gb/s. However, there are still many challenges to perform high speed (> 40 Gb/s) clock and data recovery, and data time-division-multiplexing (TDM). Here, we propose and numerically analyze an asynchronous optical packet retimer using parabolic or sinusoidal phase modulation and linear dispersion. This scheme is named pulse position locking (PPL). Numerical simulation shows that this scheme can effectively resynchronize input signals with arbitrary delays to the local clock, and reduce input jitter. The scheme can also be applied to TDM 10 Gb/s and 40 Gb/s signals to over 100 Gb/s.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

    • Worst delay Best delay 9 9.5 10 10.5 11 Input jitter rms (ps)
    • Fig. 5. Jitter improvement versus input rms timing jitter. Inset: 40Gbit/s eye diagrams of (a) input, output at (b) best and (c) worst delay when input jitter 10.25ps rms.
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