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100G and beyond with digital coherent signal processing

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5 Author(s)
Roberts, K. ; Ciena Corp., Ottawa, ON, Canada ; Beckett, D. ; Boertjes, D. ; Berthold, J.
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The demand for increased bandwidth is ever present. Coherent technology coupled with advanced modulation formats and digital signal processing is a key enabler for optical communication systems at 100 Gb/s and beyond. This article reviews the attributes of coherent systems in light of the challenges faced by system designers to realize increased bit rates for next-generation optical systems.

Published in:

Communications Magazine, IEEE  (Volume:48 ,  Issue: 7 )