The 10G TWDM-PON standardized in 2014 as G.989 has largely underperformed in the marketplace. There are various reasons why this came to pass, such as that the market didn't need the upgrade at that moment, and that single channel 50G systems became technically practical. Currently, there are investigations into the 50G version of TWDM-PON based on conventional coherent technology. This may see more success because the coherent link is inherently tunable, and its high sensitivity permits more deployment flexibility. On the other hand, if the reduction of the penalty due to chromatic dispersion and the provision of wavelength tunability and selectivity can be realized in a cost-effective manner, the application of IMDD technology can be a good candidate. This can facilitate the deployment of this system as a special services overlay (and not a mass-market upgrade). At this stage, many technical features of this system are being developed, and this panel will consider the current status and future outlook.
The key discussions to address in this panel are:
- Technical solutions under consideration for use in a 50 Gb/s TWDM-PON, such as coherent and advanced IM-DD
- New service applications and network architectures that are enabled by TWDM-PON
- Progress in standardization of such systems to promote widespread adoption
- Commercial prospects for such a system, including market size and techno-economic factors
Organizers
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Frank Effenberger
Futurewei Technologies Inc., United States
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Ryo Koma
NTT, Japan
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Paola Parolari
Politecnico di Milano, Italy
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Md Saifuddin Faruk
Bangor University, United Kingdom
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Haipeng Zhang
CableLabs, United States
Panelists
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Noriko Iiyama
NTT, Japan
Talk: IOWN Project Work on Multi-Wavelength Coherent Access Systems
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Denis Khotimsky
Verizon, United States
Talk: TWDM-PON at Verizon, and TC-Layer Standardization
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Curtis Knittle
CableLabs, United States
Talk: Recent Work at CableLabs on a Coherent TWDM PON
As Vice President of Wired Technologies at CableLabs, Curtis Knittle and his team are responsible for specifying scalable deployment solutions in both HFC and all-fiber access networks for CableLabs member companies. DOCSIS® technologies, Distributed Access Architectures, Coherent PON, and FTTP are a few current high priority activities underway in the Wired Technologies team. Curtis was also the Chair of the IEEE 802.3ca 50G-EPON Task Force, helping to usher in the first 50Gb/s PON solution.
Curtis holds a Ph.D. in Electrical Engineering from the University of New Mexico, and an M.S. and B.S. in Electrical Engineering from Colorado State University.
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Jaimie Lenderman
Omdia, United States
Talk: Optical Access Market Situation and Multi-Wavelength System Potentials
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Antonio Teixeira
PICadvanced SA, Portugal
Talk: Development of Integrated Optical Devices that Enable the TWDM System