Abstract
We propose and demonstrate a seamless upgrades from a TDM-PON with a video
overlay to next-generation (NG) access networks. User-by-user evolution from
a TDM-PON with a video overlay to a WDM-PON is demonstrated without service
disruptions. Then, the video overlay wavelength band including guard bands
is reused in the WDM-PON. All of these upgrades can be controlled by
instantaneous optical powering at the CO, which remove technical operations
at the RN and keep the RN in a passive state.
© 2009 IEEE
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