Lian Zhao, Richard WardDirector of Marketing, Optical Interconnect, Inphi
More Than Moore…Scaling Optical Interconnect to 400G and Beyond
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Agenda
DATA GROWTHCoherentSolutions
PAM4 Solution
Long haulMetro
>80km DCI
Inside Data Center<80km DCI
Component requirements to meet both solutions
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OpticalData Movement Around the Globe
Data CenterData Movement Between Data Centers
NetworkingData Movement Inside Data Centers
OpticalAmplifier
OpticalDriver CDR/SerDes PAM
Leader in Data Movement Interconnect
DWDMOptical Module
Reference DesignSilicon
Photonics Gearbox
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Moore’s Law vs. Data Growth
Source: Google Image
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Data and Traffic Growing Exponentially
Data and Traffic
Explosion
Notes1. Wireless subscriptions and social media users are as of 20152. CAGR calculated from 2014 – 2019, for sources refer the references section
▲44%Cisco Global Cloud Index
Video
Social▲23%
IDC
Wireless
Cisco IoTWhite Paper
▲107%
IDC
▲10%
Cloud Services IoT
Cisco Visual Networking Index
▲33%Ovum
7.3BnSubscriptions
Big Data
IDC
2.0Bn Userse-Commerce
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Long Haul, Metro and DCI Coherent System
>2000km
1000km
500km
32
Mod
ulat
ion
Form
at
Baud Rate (Gbaud)
100G
QPSK2X
43 64
8QAM3X
16QAM4X
32QAM5X
64QAM6X 80km
600km
2000km
100km
300km
200G
100G
400G
500G 600G
Drivers at32G/45G/64G Baud
TiAs at 32G/45G/64G Baud
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Transition from Limiting to Linear
10G 40G 100G 200G 400G 1T
TIA
Driver
Linear
Linear
Limiting
Limiting
0%
20%
40%
60%
80%
100%
2012 2013 2014 2015 2016 2017 2018
Estimated market share of Linear Drivers for 100G – 1T
Limiting
Prior Estimate July 2015
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Coherent Technology Pluggable Roadmap
CFP-DCO100G
24W/32W
CFP2-ACO200G+<12W
CFP8-ACO400G<20W
QSFP-ACOOSFP-ACO + DCO
CFP4-ACO
CFP2-DCO100/200G18W/24W
CFP8-DCO400G<20W
2015 2016 2018 <2020
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Focused on Improving Bandwidth, Power, Density & Cost
32G Baud45G Baud
64G Baud
Power per bit
100G 400G200G 600G
Linear Driver and TIA needed in the coherent system
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Data Center
Source: Oclaro Kohichi Tamura
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40G
50G
100G
200G
400G
28GBaud PAM x Laser
PAM4 Support for Data Center Requirements
>10km10km2km500m100m
Dat
a R
ate
MMF
(Multi-Mode Fiber)
SMF
(Single Mode Fiber)
Distance
Gbit/Sec
28GBaud NRZ(CWDM) 4 Laser
PSM4 NRZ 4 Laser / 1 Laser
56 GBaudPAM
1 Laser
10/28GBaudNRZ,
Multimode Fiber (MMF)
28GBaud NRZLR4
28GBaud NRZER4
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NRZ to PAM4 Transition
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
2015 2016 2017 2018 2019 2020 2021 2022 2023
NRZ PAM4
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Client Side Pluggable Form Factors
CFP100G LR4
24W
CFP2100G LR4
8W
CFP4100G LR4
6W
QSFP28100G LR4
4.5W
CFP8400G LR8
15W
QSFP-DD200G/400G
LR8/CWDM8/CWDM4 10W
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PAM4 Solutions
• Same Specs with 30% to 50% power consumption reduction
28nm
16nm
TOSA
ROSA
PD
laser
PAM4
28GBaudToday
56GBaudComing soon
40G/50G 1λ
100G 2λ 100G 1λ
200G 4λ
400G 8λ 400G 4λ
7nm
Linear Driver and TIA needed in the PAM system
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Summary
n Baud rate alone does not scale with future data growth requirements.
n To meet current bandwidth demands we need advanced modulation schemes for both coherent and PAM4.
n For coherent systems, DSP, linear MZ drivers and TIAs enable software configurable data rates for long haul, metro and DCI markets.
n Inphi’s PAM4 platform solutions doubles the data rate compared to NRZ for network scaling.