Frontiers of Optoelectronics >
In-band clock distribution concept for ultra-high bit rates OTDM system
Received date: 06 Jul 2010
Accepted date: 29 Jul 2010
Published date: 05 Dec 2010
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A novel clock distribution concept based on in-band phase-modulated pilot insertion is demonstrated. This method avoids the need for an ultrafast phase comparator and a phase-locked loop in the receiver. Experimental results show that the clock can be successfully extracted from 160 Gbit/s optical time-division multiplexing (OTDM) data signal and employed for demultiplexing of 40 Gbit/s tributaries. The in-band clock distribution introduces 1.5 dB of power penalty with an error-free performance.
Shangjian ZHANG , Lei XU , Yong LIU , Yongzhi LIU . In-band clock distribution concept for ultra-high bit rates OTDM system[J]. Frontiers of Optoelectronics, 2010 , 3(4) : 343 -346 . DOI: 10.1007/s12200-010-0116-7
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