IST Roadmap for Optical Communications

1
IST Roadmap for Optical Communications

• Generated by the OPTIMIST Thematic Network
• Status presented at IST for Broadband Europe
• 11 October 2002, Bucharest, Romania
• by Ann Ackaert

2
Outline

• Roadmap for Optical Communications
• Network evolution
• System evolution
• Component evolution
• Challenges and future issues
• IST OPTIMIST approach

3
Outline

• Roadmap for Optical Communication
• Network evolution
• System evolution
• Component evolution
• Challenges and future issues
• IST OPTIMIST approach

4
Photonics enabling Ambient Intelligence

• AmI puts PEOPLE in the CENTER

Advanced Photonic (Sub)Systems
Making technology invisible, imbedded in natural
surroundings, present whenever we need it and
making interaction with technology simple
effortless
Advanced Photonic Components
PEOPLE
Advanced Photonic Networks
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Intelligent Optical Network
UoP Universal Optical Plug
Intelligent Optical Network ION
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Intelligent Optical Network in general
Making information services available to all
people anywhere anytime in a natural and trustful
way requires

• high capacity optical network with intelligent
  network control and management
• fast and flexible provisioning of optical
  network resources
• efficient and very reliable management of
  multi-vendor multi-operator optical networks

7
Main Access Technologies
Twisted PairLegacy
NewTechnologies
POTS
ISDN
Broadband Interactivity Mobility AmI
xDSL
Fiber To X
GSM-UMTSWireless LAN
Hybrid Fiber Coax
Satellite
Cable
BroadcastLegacy
8
Access Network (City)
100 wavelengths 10 Gbit/s/l lt20 km
0.1 1 Gbit/s per customer TDM/TDMA
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MAN (Country / Region)
10
MAN (Country / Region)
IP packets
optical burst formation
Fast Wavelength Switches (FWS) / Optical
Burst/Packet Switches (OBS/OPS) Gateway to
access network Content servers (e.g. streaming
media)
11
Wide Area Network (WAN)
WAN Up to 200-500 wavelengths 40-160
Gbit/s/l wavebands (gt 10 l)
12
Global Area Network (GAN)
GAN Up to 200 wavelengths up to 80-100 Gbit/s/l
13
Medium Term Roadmap 5 to 10 Years
Access Networks Key Features and Figures

• Domestic, SOHO, small business and radio base
  stations (BS)
• Hybrid fiber copper TP/coax and PONs
• Large business and enterprises Fiber, P-P
  (point-to-point), rings
• Range ? 20km Channel bit rate (B) P-P links,
  rings ? 10 Gbit/s,
• PONs ? 10/2.5 Gbit/s (down/up) No. of
  wavelengths (N) ? 100
• Bit rate per fiber (B x N) rings ? 1Tbit/s
• PONs ? 1Tbit/s250 Gbit/s(down/up)

Network
Medium up to the building, Structure of the
optical feeder network and Key Performance Figures

• Protocol Layer 3 IP,
• Layer 1 and 2 ATM, SDH (rings, simplified),
  Ethernet, MPLS, Optical
• QoS differentiation for any private and business
  application (with SLAs)
• Optimized for low cost OAM and provisioning

Control OAM

• 2.5 Gbit/s burst mode receivers for PONs
• Low cost 10 Gbit/s (downstream) receivers and 2.5
  Gbit/s (upstream)
• burst mode transmitters for PONs
• Relatively low cost 10 Gbit/s Transceivers for
  P-P transmission
• Low cost optical amplifiers for PONs (bandwidth
  40 nm)
• Low cost (D)WDM mux/demux and space switches (up
  to 256x256,
• ? 10 ms)

Components Subsystems
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Long Term/Research Roadmap 10 to 20 Years
Access Networks Key Features and Figures

• Domestic, SOHO, small business and radio base
  stations (BS)
• All fiber networks typically up to the
  buildings, (PONs)
• Large business, enterprises All fiber networks,
  P-P links, meshed
• Range ? 40km Channel bit rate (B) P-P links,
  meshed ? 40Gbit/s,
• PONs ? 40/10Gbit/s (down/up) No. of wavelengths
  (N) ? 250
• Bit rate per fiber (B x N)meshed ? 10Tbit/s
  PONs ? 10/2.5Tbit/s (down/up)
• PON (ONT) drop/add capacity ? 40/10Gbit/s,
  wavelength agile

Network
Transmission Medium Structure and Key Performance
Figures

• Protocol Layer 3 protocol derived from today's
  IP/MPLS, MPlS
• Layer 1 and 2 Optical
• Absolute mobility (fix net and wireless including
  WLAN)

Control OAM

• Low cost 40Gbit/s Transceivers for P-P
  transmission and for
• meshed nodes (fast tunable, ? 10 ns)
• For PONs (Tunable) 10 Gbit/s burst mode
  receivers for OLTs and
• 10Gbit/s fast (? 10 ns) tunable burst mode
  transmitters for ONTs
• Low cost (D)WDM mux/demux and up to 256x256
  optical space switches
• Broadband optical amplifiers for PONs (100 nm
  bandwidth)

Components Subsystems
15
Medium Term Roadmap 5 to 10 Years
Regional/Metro Networks Key Features and Figures

• Mesh and ring topology (11 like SDH and N1
  protection, lt 50ms)
• (fast) Optical channel switching and burst
  switching / add/drop-multiplexing
• Transmission DWDM, ETDM, DWDM ETDM
• Range 20 to 200km Channel bit rate (B) from
  2.5 to 40Gbit/s
• No. of wavelengths (N) from 100 to 1000 Bit
  rate per fiber (B x N)
• up to 10Tbit/s Add/Drop capacity up to 1Tbit/s

• Up to OSI Layer 3 functionality
• Layer 3 IP
• Layer 1 and 2 SDH (simplified), ATM, MPLS,
  Optical

Control OAM

• Rel. low cost optical cross connect space
  switches (size 256x256,
• speed ? 10ms switching time for OCS, ? 1ms
  switching time for OBS)
• Low cost DWDM mux/demux
• Low cost 40Gbit/s transmitters and receivers
• Wide band optical amplifiers (bandwidth minimum
  100 nm)

16
Long Term/Research Roadmap 10 to 20 Years
Regional/Metro Networks Key Features and Figures

• Mesh topology, N1 protection (switching time ? 1
  ms)
• Optical channel and packet switching
• Merging of MAN/WAN
• Transmission DWDM, ETDM/OTDM, DWDM ETDM/OTDM
• Range 100 to 200km Channel bit rate (B) from
  10 to 640Gbit/s
• No.of wavelengths (N) from 10 to 1000
• Bit rate per fiber (B x N) up to
  40Tbit/sAdd/Drop capacity up to 10Tbit/s

Network
Network Structure, Node Architecture Transmission
and Key Performance Figures
Control OAM

• Up to OSI Layer 3 functionality
• Layer 3 protocol derived from today's IP/MPLS
  Layer 1 and 2 Optical
• QoS differentiation for any private and business
  application (with SLAs)
• Fast provisioning of any l-channel under user or
  NM control

• Tunable (tuning time ms and ns) optical
  transmitters and receivers, up to
• 640 Gbit/s with high spectral efficiency
• Optical wavelength converters
• Wide band optical amplifiers (bandwidth up to 200
  nm)
• DWDM mux/demux for high spectral efficiency
• Space switches to 1000 x 1000 (switching time ms
  and ns)
• Optical buffers
• Optical signal processors

Components Subsystems
17
Medium Term Roadmap 5 to 10 Years
18
Long Term/Research Roadmap 10 to 20 Years

• Distance 5000 km unregenerated
• Transmission WDM OTDM spectrally efficient
  techniques
• Channel bit rate (B) 40-160 Gbit/s (trade off
  speed and lambda number)
• No. of wavelengths (N) 200-500 Max bit rate
  per fiber (B x N) ? 20Tbit/s
• Optical channel packet switching (or possibly
  devolved to MAN)

MPLS
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Medium Term Roadmap 5 to 10 Years
Specialised Supervisory channel and control
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Long Term/Research Roadmap 10 to 20 Years
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Outline

• Roadmap for Optical Communications
• Network evolution
• System evolution
• Component evolution
• Future and Emerging Technologies
• Challenges and future issues
• IST OPTIMIST approach

22
Transmission Network Evolution
link capacity
switch granularity x multiplexing factor link
capacity

• SDH Synchronous Digital Hierarchy
• switch granularity 2, 8, 34, 150, 620,
  Mbit/s
• link capacity 0.15, 0.62, 2.5, 10 Gbit/s

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Flexibility / Granularity of the OTN
OXC optical cross connects OADM optical add
drop mux OPR optical packet router OPADM opt
ical packet add drop mux
FLEXIBILITY
G R A N U L A R I T y
Static X
Dynamic X X X
Packet
Burst
Circuit
packet-switched
t i m e
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Circuit-switched static
Network Mgmt System
Telecommunication Mgmt Network
Network Element Mgmt Agent
OXC switch fabric
Lightpath (circuit)
Customer Premise Equipment
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Circuit-switched dynamic
User-Network Interface
Network Node Interface
OXC controller
Control Channel
Lightpath (circuit)
OXC switch fabric
Customer Premise Equipment
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Packet/ burst-switched
User-Network Interface
Network Node Interface
OXC controller
Control Channel
OXC switch fabric
Customer Premise Equipment
Optical Packets in data channel
27
Network Evolution IST projects
Wide Area
Metro
Access
METEOR
LION
HARMONICS
ATRIUM
STOLAS
DAVID
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IST WINMAN

• WDM IP Network Management
• offer an integrated network management solution
  which is capable of providing end-to-end IP
  connectivity services derived from Service Level
  Agreements (SLAs)

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IST LION

• Layers Interworking in Optical Networks
• To design, implement and test an Automatic
  Switched Optical Network (ASON)

30
IST HARMONICS

• Hybrid Access Reconfigurable Multi-Wavelength
  Optical Networks for
• IP-based Communication Services
• convergence of access networks, supporting IP
  with differentiated QoS.

HARMONICS Optical Feeder Network
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IST DAVID

• Data and Voice Integration over DWDM
• an approach towards MPLS-based optical packet
  switching with QoS support

• MAN network architecture
• Interconnected DWDM rings
• Node devices OPADMs
• Slotted operation
• MAC algorithm controls resources
• Inter ring traffic controlled by a hub

• WAN network architecture
• Meshed topology
• Node devices Optical Packet routers
• Fixed length packets
• Gateway between Man and WAN performs traffic
  aggregation

32
IST ATRIUM

• A testbed of terabit IP routers running MPLS
  over DWDM
• Research network at 2.5 Gbit/s based on the
  Alcatel 7770 RCP terabit router.

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IST GEANT
Creating the pan-European network infrastructure
to explore developments in telecommunications
technology

• Pan-European coverage (32 Countries/NRENs)
• Gigabit connectivity at 10 Gb/s
• Linking more than 3000 Universities
• Platform for testing - GRIDs, IPv6, ...
• Extend to Mediterranean, Asia Pacific Rim, Latin
  America...

34
Outline

• Roadmap for Optical Communications
• Network evolution
• System evolution
• Component evolution
• Challenges and future issues
• IST OPTIMIST approach

35
Optical point-to-point systems

• Again
• cross-talk
• non-linear effects
• analog filter design
• ...

36
OTDM and WDM Transmission
Scheme of a WDM Transmission System
Scheme of an OTDM Transmission System
Partly adopted from Kawanishi, IECE Trans.
Comm., Vol.E84-B, (2001), pp. 1135-1141
37
Fibre capacity achievements
38
Evolution of Transmission Bitrate
Source LEOS Newsletter 10/99, OFC2000 -
OFC2002, ECOC2000 - ECOC2001
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Spectral efficiency achievements
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IST ATLAS

• All-optical Terabit per second LAmbda Shifted
  transmission
• Nx40 and Nx80 Gbit/s transmission in networks
  encompassing all-optical wavelength converters.

Successful demonstration of 4 x 40 Gbit/s
transmission over 500 km G.655 Residual
dispersion slope effect
Eye diagrams after 500 km (DM with
prechirp
map,
ch
2 optimized)
1552.52 nm
1550.92 nm
1554.13 nm
1555.73 nm
Eye diagrams after per channel dedicated
postcompensation

41
IST METEOR

• Metropolitan Terabit Optical Ring
• design, develop and demonstrate a terabit
  optical metropolitan area network.

• High speed (40Gbit/s per channel)
• WDM (up to 40 channels)
• Networking (nodes with add-drop functionality)

Mask layout active OADM
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IST TOPRATE

• Terabit/s Optical Transmission Systems based on
  Ultra-high Channel Bitrate
• transmission of several Terabit/s capacity over
  one optical fiber.

• DWDM compatible TX and RX subsystems realized

43
IST FASHION
UltraFast Switching in High-Speed OTDM Networks

• Transmission of 160 Gb/s OTDM data (16 x 10 Gb/s
  and 4 x 40 Gb/s) over 500 km of fiber to
  demonstrate the usability in ultra high speed
  core networks
• Adding to and dropping 10 Gb/s and 40 Gb/s data
  from a 160 Gb/s OTDM data stream to demonstrate
  the flexibility of OTDM technology for usage in
  flexible optical networks
• 160 Gb/s OTDM field trial over installed fibers
  to study the influence of environmental conditions

44
Outline

• Roadmap for Optical Communications
• Network evolution
• System evolution
• Component evolution
• Challenges and future issues
• IST OPTIMIST approach

45
Component IST projects
Polymer and POF
QD new material
GIFT

APPTECH

AGETHA
HOMEPLANET
ULTRABRIGHT
DOTCOM GSQ
High speed sources and receivers
NAIS
Cost Reduction Objectives
VCSEL
POWERPACK WILD
IO
TUNVIC
High power sources
GLAMOROUS
NEWTON
Poling in glass
Tunable sources
Amplifiers
LOBSTER SYNERGIA
ATLAS DOALL ROSA PIANO
TOPRATE FASHION METEOR STOLAS
PCIC PICCO PHOBOS
ANLM- OTDM
Optical Signal Processing for OTDM or WDM
Photonic Bandgap
46
Outline

• Roadmap for Optical Communications
• Network evolution
• System evolution
• Component evolution
• Challenges and future issues
• IST OPTIMIST approach

47
Challenges and future issues

• Ambient Intelligence
• Making services available to all people anywhere
  anytime in a natural and trustful way
• A mix of last mile technologies will be
  required broadband wireless mobile
• Get all communications into fibre as quickly as
  possible and keep them there as far as
  possible(David Kennedy EURESCOM IST 2001
  event)
• Photonics as enabling technology for Broadband
  Access to All
• very low cost components needed
• plug and play modules
• end-to-end provisioning of bandwidth / QoS

48
Challenges and future issues

• Photonics as enabling technology for the
  development of the IST European Research Area
• End-to-end intelligent optical networking
  (optical control plane)
• Provide higher bitrate smaller granularity
  higher flexibility in the optical network
• Get fibre closer to the customer in a
  cost-effective way
• Seamless convergence of optical networking
  technologies and access networking (broadband
  wireless mobile)
• Bridge between Research Networks/ NRENs and
  advanced photonic networking

49
Outline

• Roadmap for Optical Communications
• Network evolution
• System evolution
• Component evolution
• EU challenges and future issues
• IST OPTIMIST approach

50
IST OPTIMIST roadmap exercise

• Define Technology Trends in the technical areas
  under study
• Interaction / discussions at workshops meetings
  with key actors
• Dissemination at large of concepts /
  views(CD-rom, website, newsletter,
  presentations)
• Interaction with other organisations (OITDA,
  OIDA, PIF, EURESCOM, COST)
• Generate an IST roadmap view on optical
  communication (ongoing process)

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