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Coherent UDWDM–PON Guard Band for Legacy Video and 10G–NRZ Systems

Shahpari, A. ; Reis, J.D. ; Ferreira, RMF ; Vujicic , Z. ; Lima, M. J. N. ; Teixeira, A.

Coherent UDWDM–PON Guard Band for Legacy Video and 10G–NRZ Systems, Proc Optoelectronics and Communications Conf. - OECC, Kyoto, Japan, Vol. CD, pp. WP1-4 - --, July, 2013.

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Abstract
We experimentally analyze the required guard band of
coherent optical UDWDM networks transporting 16x1.25
Gb/s – QPSK at 3.125 GHz frequency grid to coexist with
Video and 10G – NRZ transmissions. Using simple DSP
based ONU, guard bands of only 0.8-1.6 nm are achieved.