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Photonic Integrated Circuits (PICs) Scaling Next Generation Optical Networks
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Why integrate ?
Vacuum Tubes
Integration has led the way in electronics
Solid State Integrated Circuit
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A look at how IC’s changed the electronic landscape
More Functions Capabilities Reliability
Less Space Power Unit Cost
Moore’s law + IC’s changed the landscape forever
Source: Wikipedia
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So again … why converge Photonics onto IC’s? The question is – can you afford not to ?
Electronics…
Photonic Integrated Circuits are the next logical step in the world of optics!
Optics…
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Demands on optical bandwidth are greater than ever
Drivers
Network Traffic
Video
Cloud
Mobility
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6 © 2011 Infinera Corporation.
Market forces driving demands on DWDM systems
MORE BANDWIDTH
Capacity per Wave
Capacity per System
100G to Terabit pipes Rapid Plug & Play deployment
The optimal solution: Photonic Integration
Higher density Lower power
Carrier class reliability
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Photonic Integration
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8 © 2011 Infinera Corporation.
Optical Physical Layer Start with the basics
Intensity Modulation + Direct Detection (NRZ)
Tx Rx
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100 Gb/s Transmit
100 Gb/s Receive
PICs Enable Economical Access to Digital Bandwidth
“WDM system on a chip”
Density allows for further integration of network functionality
Photonic Integration
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1001
0101
0101
1010
1101
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PICs Enable Integrated Switching
Enables “digital” functionality
Integrated switching at every node
High functionality Digital ROADM
Dramatic network simplification
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110101000010101110010101 001010111011010110010101
Inte
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ics
Inte
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ics
Optical (O) Electrical (E) Optical (O)
Trib
Integrated Switching + WDM
Photonic Integration
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PICs Enable On-Demand Network Bandwidth
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ics
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Pervasive Digital Switching
Integrated Switching + WDM
Photonic Integration
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Software-enabled “Ease-of-Use”
Digital switching at every node: OTN evolving to packet/OTN
Unconstrained bandwidth everywhere
Lowest cost per switched Gb/s
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Digital Optical Networks
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0
10
20
30
40
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ear
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) PIC’s have been proven to be ultra reliable
Over 550M field hours without failures Entire PIC reliability better than single
discrete laser (FIT = 1.6)
High component reliability drives excellent Line Module reliability.
Line Modules MTBF of ~60 years
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Next Generation DWDM 500Gb/s WDM “System on a Chip”
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Move from OOK Modulation to Phase Modulation Creates an Optical Component “Explosion”
Tx
Rx
OOK
CMOS
PM-QPSK (DP-QPSK)
Photonic Integration is Required to Scale Space, Power and Reliability
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500G, Large Scale, Monolithic PIC Implementation
500G Tx PIC
500G Rx PIC
Number of channels 5 x 100G
Monolithic InP Chips 2
Optical elements > 600
“Gold Box” Replacements > 100
Fiber Replacements > 400
COST
SIZE
POWER CAPACITY
RELIABILITY
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PIC’s lower costs & enable
greater functionality
Enable more functionality • Integrated switching
• Higher density design
• Greater convergence
Room for more • Packet convergence
• Scalable coherent networks
• Multi-Terabit Superchannels
Switching MPLS LSR
PIC’s enabling a generational change to meet market demands
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PIC’s enables OPEX savings
Not just terabit scale…
Less Power
Less Space
Lower TCO 69% less
# Modules/Cards 9,770
3,024
67% less
# Chassis 568
189
33% less
Rack Space
150%
100%
50% less
Power
200%
100%
4D Junction; 1T/degree; 25% Add/Drop
Capacity
100%
~250% ~2-3X more
56% lower
Total Costs 225%
100%
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Thank You