光通信市场和技术趋势——JDSU.ppt

1、,Fiber Optical Communication Market and Technical Trend,Bo Cai,JDS Uniphase,JDSU Snapshot,Communications Markets,Fiber Optical Components,Capacity per strand (Gb/s),As the demand for bandwidth grows, each network,Impact of WDM Technology,As the demand for bandwidth grows, each network pipe needs to

2、expand to carry more data,with aaminimum investment of $/managed bit,Performance / Price,9 Months,18 Months,Optical,Impact of WDM Technology Time to Double,12 Months Storage Moores Law:,Silicon IC,5,1,2,3,4,Year 0,RESOURCE EFFICIENCY,Progress Time Scales Accelerating TECHNOLOGY PROGRESS 100% 10% 1%

3、0%,1700,1750,1800,1850,1900,1950,2000,2050,1) Jesse H. Ausubel, Where is Energy Going?, The Industrial Physicist, Vol. 6 (1), p. 17 (Feb. 2000).,pja 3/2/00,What if photonic engineersad worked their magic on aviation?,Boeing 747,“TeraPlane”,Passenger Capacity Coast-to-Coast Time Ticket Price,400 5 ho

4、urs $400,8000 20 minutes $5,Rapid Change in the Telecom Economy,Service Provider Annual Capital Spending $120,000 $100,000 $80,000 $60,000 $40,000 $20,000 $0 1996 2002 2008 Source: CIBC World Markets,Unsustainable Spending by Service Providers,40% 35%,CapEx and CashFlow as a % of Sales 45%,Cash Flow

5、 CapEx,30% 25% 20% 15% 10% 5% 0% 1996 2002 2008 Source: CIBC World Markets,Relative size (1999 = 10),The Traffic Dilemma,Traffic,Costs Revenues,10000,Traffic is growing at explosive rates,1000,100,. . . And network costs are growing faster than revenues,10 1999 2000 2001 2002 2003 2004 2005,New comp

6、onent and network technologies help solve this dilemma - on a large scale,After RHK,Wild Swings in Component Revenue,CIBC Optical Component Revenue Estimates ($B),$9 $8 $7 $6 $5 $4 $3 $2 $1 $0,$10,1997 1998 1999 2000 2001 2002 2003 2004,Source: CIBC World Markets,Market View: Stock Price Performance

7、,A Trillion$ Industry!,Service providers System Vendors,Component makers material Suppliers,$20Bn/yr 50%/yr,Smartpipe, Yips, Level 3, Worldcom Nortel, Lucent Alcatel, Ciena,JDSU, Avnx BKHM, Agere,$700Bn/yr 10%/yr $150Bn/yr 15%/yr,Optical is a major industry!,SDLI - GM,Ciena - Mcdonalds,Corning - Boe

8、ing,JDSU - Sony,(=User2 x Bandwidth x Online Time),Capacity,1995,1996,1997,1998,1999,2000,2001,2002,We are here!,Where we are? Near Future There is rapid increasing demand 400% per year It is commercially profitable to fulfill 3% for 1% price reduction It is environmentally sustainable Non nature re

9、source hungry,2003,2004,2005,An Optical Solution, Optical Communication is the only viable,way because:, Optical fiber is the only wideband, cost,effective, low loss media., A large bandwidth of signal can be processed,much easily in optical domain., DWDM is a preferred approach for high,capacity op

10、tical network., Cost effective, scalability, flexibility Double capacity every 6 months!,Components and Modules in DWDM Networks,Transmission Source lasers Modulators Wavelockers Receivers Detectors Tx/Rx modules,DWDM Thin film filters Fiber gratings Waveguides Circulators Interleavers Mux/Demux mod

11、ules,Amplifiers Isolators Tap couplers Pump lasers Gain equalizers Attenuators Integrated amplifiers SOAs,Switching Optical Switches Circulators Couplers Add/drop modules,980 nm Pump Module,EDFA,Raman Module,LiNbO 3 Products,Tx/Rx Electronics,Network Monitor,AWG Multiplexer,REV.7/24/00 - 16,1,R,MOD,

12、OADM,POL Rx Elec.,MOD Tx,2,VOA,VOA,VOA,DRV,DRV MOD,DRV MOD,NM,NM,NM,NM,NM,NM,Raman,Raman,Pol,Pol,Pol,Rx Elec.,Rx Elec.,Rx Elec.,980nm Pump EDFA,980nm Pump EDFA,980nm Pump EDFA,980nm Pump EDFA,DRV,OXC,M U X,D E M U X,Networks By Structure,Scaleability,Re-,configurability,Configurability,Connectivity,

13、Capacity,Technical Functionality,add-drop,Flexible wavelength translation, wavelength routed networks. Reliable end-to-end wavelength service,OXC,OXC,OADM,OADM,OADM,WDM rings, programmable OADM,Flexible bandwidth provision, Reliable optical protection,Point-to-point WDM with fixed add-drop OADM Poin

14、t-to-point WDM Capacity increase, fiber relief,Optical Networking Evolution Optical cross-connects, interconnected optical rings and meshes OXC,OXC,OXC,Time,2000,1996,2008,2004,1024,512 256 128 64 32 16 8,Optical,10 MHz,DS3,100 MHz,OC3,OC12,1 GHz,OC48,OC192,100 GHz,10 GHz,Electrical vs. Optical - Cr

15、oss Connects Electrical Limits, High power,comsumption: e.g. 1024x1024: 4 kW Jitter: very large Large switches Need OE/EO conversion Bipolar or GaAs Electrical,Data Rate,Number of Ports,Share of Transport Market,Relative Performance / $,OPTICAL NETWORK EVOLUTION,0%,100%,0%,100%,Networking Functional

16、ity in the Optical Layer,MESH OF DWDM PIPES NOW FUTURE PERFORMANCE / $ FIXED ADD / DROP,CONFIGURABLE ADD / DROP,OXC,Flexibility: - All-Optical routing - Dynamic Add/Drop - Network topology,Metro Core (IOF),Metro Access,WRE,Long-Haul Fiber WRE,WRE,WRE Metro Regional,OXC,WRE,Wavelength Routing Element

17、,OXC Optical Cross-Connect,Access Optical Add-Drop Nodes,Optical Monitoring,Trends in Metro DWDM Networks,Scalability: - Modular approach - Protocol-independent Manageability: - Optical layer protection - Automated optical performance monitoring - Software controlled optical tuning - Auto-discovery

18、of optical nodes,Wavelength Service Provisioning and Bandwidth Management,Switch,Mux Out,Drop,Demux In Add,Attenuator,Configurable Optical Add-Drop Multiplexer,WAVELENGTH,SWITCH,WAVELENGTH,SWITCH,WAVELENGTH,SWITCH,WAVELENGTH,SWITCH,WAVELENGTH,SWITCH,WAVELENGTH,SWITCH,WAVELENGTH,SWITCH,WAVELENGTH SWI

19、TCH,WAVELENGTH SWITCH,WAVELENGTH SWITCH,WAVELENGTH SWITCH,WAVELENGTH SWITCH,WAVELENGTH SWITCH,SCALABILITY,WAVELENGTH SWITCH Wavelength,Router/Wavelength Inter-exchange - Eliminate regenerators and OXC between rings - SCALABLE OXC !,Wavelength Switch System Applications: All Optical Ring Interconnect

20、 Wavelength Selectable,OADM,Multi-Port Wavelength Switch IN Multiple fibers Dispersive Element MEMS Array,Array Control,OUT Add/Drop any or all wavelengths: any order hitless reconfiguration Wide passband, very low dispersion,RX,RX,RX,RX,TX,TX,TX,TX,NODE,NODE,Wavelength Switch / Wavelength Blocker,W

21、AVELENGTH SWITCH,Express,Tunable Filters,Tunable Transmitters,NODE AA,NODE BB,Lower cost Network installation and node upgrades,Enables remotely configured installation procedures Lower labor cost to manage and maintain network,Simplified Network Planning:,Shorter time from capital expenditure to re

22、venue,Colourless Optical Network:,Lower inventory costs, low sparing costs, fewer part numbers,Dynamic Bandwidth Allocation:,Improved network efficiency through re-distribution of bandwidth,.,.,.,.,.,.,Multiwavelength Opaque Optical Networks,1.3 m intra-office Optical transport system (1.55 m WDM),T

23、ransponders,Terminating equipment | SONET, ATM, IP.,Why Ultra Long Haul System?, Reduced cost:,from point-to point to all optical network, Equipment Operation, Administration, Increase revenue:,from Voice to Data Network, Faster provision, Provided new service,Future ULH All Optical Network,Enabling

24、 Technologies for ULH System, Raman amplifier x 2.5, Forward Error Correction (FEC) x 2 Modulation Format x1.5 x 2 Dynamics Gain Equalizer (DGE) Dispersion management, 5 10 (1 / mW / km),Raman Scattering Interaction between optical phonon and photon Strongly depend on fiber type Non-linearity in WDM

25、,gR Aeff,Raman Gain 18.86,4, p = 0.25(dB / km) With Pp = 100mW Raman Gain = 3.75dB,gR Pp Aeff p,Signal Power,Raman Amplifier For 13 dB gain (400mW pump), about 2.5x distance Avoided high power region: non- linearity, Avoided high noise,Source: Lightwave August, 2000,1 0 1 + 0,Q ,region Pure EDFA Hyb

26、rid Amplifier High Power Region High Noise region Source: M. Nissov et al, ECOC 97, PD, pp.9-12,Dynamic Gain Equalizer, Electronic Equalizer, DeMux / Attenuation / Mux, AWG: Lucent, Diffraction grating:, Lucent: MEMS JDSU: LCD Coring: LCD, Fouier Filter, MZI, Waveguide: IBM, Birefringence crystal: C

27、horum, All fiber Acoustic,Dynamic Gain Equalizer,r z,D ( z),Dispersion Management for ULH System (I),;,A( z) =,k,R 1 D( z) 1 rz 1,x, For ULH system, seasonal temperature change will required tunable dispersion compensation VIPA FBG All-pass filter MEMS all-pass filter Ring all-pass filter Gires-Tour

28、nois all-pass filter o,Dispersion Management for ULH System (II), VIPA Gires-Tournois all-pass filter,Interleaver: Enables Scaleable Terabit Network,80-ch C-band,+,80-ch L-band,1.6 Tb/s,Interleaver,10-ch mux/demux,Loss (dB),-3 0 -4 0 -5 0 -6 0,1 578,15 79,158 0,1 581,15 82,158 3,15 84,158 5,1 58 6,1

29、5 87,Dr op 1 Dr op 2 Dr op 3 Dr op 4,Wavelength (nm),Test Results: Bandwidth and Crosstalk Low Loss, Flat Passband, High Isolation Full Spectrum 0 -1 0 -2 0,Reliability,Telecom Datacom,As more traffic is carried on optical infrastructure, the reliability of the optical network will be required to ap

30、proach that of voice networks of today.,Datacom and Telecom Convergence will require robust network protection, restoration, monitoring, and the optical layer,Metro IOF,Metro Access 5-10 km 50-60 km,Metro IOF 20 km 200 km,Long Haul 80 km 300 km,Span Reach,Network By Distance Optical layer Management Long Haul Central,Office Central Office,Business & Metro Access,Network Monitoring,Power Equilization, Fault Sectionalization,Long Term Monitoring, Network Commissioning Inter-Network Monitoring,10 Years ago: Distance 4 Channel P2P WDM Link,WDM,Rx Rx Rx Rx Atten uator OA Comp,90km x