Title :
OSNR monitoring by using single sampling channel generated 2-D phase portrait
Author :
Yi Yu ; Changyuan Yu
Author_Institution :
Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore, Singapore
Abstract :
We propose to monitor OSNR by using 2-dimension phase portrait that is depicted by single low-speed sampler with software synchronization technique. This method reduces monitoring setup cost, and increases tolerance to the aliased clock frequency estimation offset.
Keywords :
amplitude shift keying; differential phase shift keying; frequency estimation; optical fibre networks; optical modulation; sampling methods; synchronisation; 2D phase portrait; NRZ-DPSK; NRZ-OOK; OSNR monitoring; aliased clock frequency estimation offset; differential phase shift keying; on-off keying; optical signal-to-noise ratio; single sampling channel; software synchronization; Frequency estimation; Monitoring; Optical fibers; Optical noise; Signal to noise ratio; Software; Synchronization;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.Th2A.49
