Next-Generation FTTH: Architectures and Enabling Components

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Next-Generation FTTH Architectures and Enabling
Components

• Rajeev Ram
• MIT Center for Integrated Photonic Systems
• In collaboration with Communications Futures
  Program

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Optical Broadband Working Group
Industrial Group Members JDSU Motorola
Nokia BT Telecom Italia Alphion Neophoto
nics
Additional Contributors Corning Luminent Vites
se Novera Intune Verizon Cisco Broadcom KA
IST ATT Ovum Infinera UC
Berkeley Lightwave Research
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FTTx Drivers

• Ever increasing demand for bandwidth, including
  IPTV
• Need to significantly lower network costs (rising
  faster than revenue)
• Rapidly advancing technology and declining
  equipment costs
• Public policy
• Standards

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The Need for Speed
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FTTX Deployment Status

• Worldwide deployment accelerating
• 11M subscribers in 2005
• Asia leading in users, but other regions rapidly
  rolling out systems
• In the U.S., gt1000 communities have FTTx service
  today
• 8M homes passed
• 1.3M subscribers, forecasted at gt10M by 2011
• In Europe, forecast for 49 CAGR from 2005-10
• 25M Optical network terminals
• PON equipment sales of 965M in 2006, forecasted
  to be 2.4B in 2010

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Todays Advanced PONGPON Overview
2.4 Gbps shared by up to 128 users
Small Businesses
10-100 Mbps service rates
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3
Splitter
2.4 Gbps out 1.2 Gbps in
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3
2
1
1
4
20 km reach
New Buried Development
Time Division Multiplexing
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Todays Advanced PONGPON Overview
POTS
ONT
ONT
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Todays Advanced PONGPON Overview
POTS
ONT
ONT
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Todays Advanced PONGPON Overview
POTS
ONT
ONT
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Todays Advanced PONGPON Overview
POTS
ONT
ONT
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Fast Clockspeed Networks

• Convergence of telecom and access networks a
  high volume market for high performance
  components
• single frequency lasers sensitive detectors
• new leaders
• 10x scaling of manufacturing and assembly
• More than 200k triplexers per month
• Driving new technologies for rapid deployment
• Burst mode electronics (shared bandwidth
  components)
• Broadband amplifier systems (reach extension to
  rural communities)

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Next-Gen Broadband Architecture Options
Metro Core
Metro Edge
WDM-PON
LR-PON
Optical Access Network
GPON

• WDM PON Dedicated wavelengths (high capacity)
  per user
• Long Reach PON Consolidation of metro (telecom)
  and access networks

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Inventory Management for WDM PON
Metro Core
WDM-PON

• No bandwidth sharing on the transport layer
• Flexible and simple Bandwidth/Subscriber
  allocation
• Virtual POINT TO POINT (Secure Networks)
• Physical POINT TO MULTIPOINT (Shared Fiber
  Infrastructure)

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Inventory Management for WDM PON
Metro Core
WDM-PON
Remote node in manhole
Largest market for athermal integrated
wavelength filters
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Inventory Management for WDM PON
Metro Core
WDM-PON
Remote node in manhole
?
Largest market for athermal integrated
wavelength filters
How do you sell the same hardware to every user
in a wavelength selective network ?
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Inventory Management for WDM PON
Metro Core
WDM-PON
How do you sell the same hardware to every user
in a wavelength selective network ?
Modulate and reflect light to CO
Injection Locking (KT Field Trial)
w/o filtered white light
w/ filtered white light
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Long-Reach PON Architecture
Metro Core
Metro Edge
Optical Amplifier
LR-PON
Optical Access Network
GPON
100 km reach 10001 splitters
Trade CapEx for OpEx Fund edge components by
closing down COs
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MIT Modeling Activity Overview
Network CapEx
Network Design
Network Constraints
Network OpEx
Network Cost Models
Network Model Inputs
Network Design Model
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Network Design Model Validation
Model Inputs
Model Outputs
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OpEx Involves Multiple Parameters
Model Input Parameters
Network Components
Industry Data (Bottom-up)
Field Data (Top-Down)
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OpEx By Network Component
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Access Networks Designed for Change

• Convergence of telecom and access networks
• At the component level
• At the architecture and network level
• Drives working group discussions across the value
  chain
• Driving new technologies for rapid deployment
• Drives MIT research
• WDM Optical Network Unit development
• Burst Mode Electronics (1000x enhancement
  demonstrated in 2006)
• High performance, low cost optical components
  (record performance amps)
• Network OpEx models for driving architecture
  designs