70-Gb/s amplitude-shift-keyed system with 10-GHz clock recovery circuit using duty cycle division multiplexing
Mahdiraji, Ghafour Amouzad and Abdullah, Mohamad Khazani and Mokhtar, Makhfudzah and Mohammadi, Amin Malek and Abas, Ahmad Fauzi and Mohd Basir, Safuraa and Raja Abdullah, Raja Syamsul Azmir (2010) 70-Gb/s amplitude-shift-keyed system with 10-GHz clock recovery circuit using duty cycle division multiplexing. Photonic Network Communications, 19 (3). pp. 233-239. ISSN 1387-974X; ESSN: 1572-8188
Official URL: http://link.springer.com/article/10.1007/s11107-00...
The performance of ASK over DCDM for up to seven channels is reported. The aggregate bit rate of 70 Gb/s is achieved with only 160-GHz modulation bandwidth. The clock and data recovery are realized at 10-GHz clock rate, which is very economic and efficient. At 7 × 10 Gb/s, the worst receiver sensitivity of −10 dBm, OSNR of 41.5 dB and chromatic dispersion tolerance of ±7 ps/nm are achieved. Whereas, for the best channel, the receiver sensitivity, OSNR, and chromatic dispersion tolerance are −23.5 dBm, 29 dB, and ±36 ps/nm, respectively.
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