Silicon Photonics for Opto-Electronic Design - WETI
Silicon Photonics for Opto-Electronic Design - WETI
Silicon Photonics for Opto-Electronic Design - WETI
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Si <strong>Photonics</strong> Technology Plat<strong>for</strong>m: System ICSerialInterface1:N Optical SplitterDigitalControlTo Other ChannelsSingle-Mode WaveguideSFP InTXControlHSPMCal.ADCPINDistributed MZI Driver andCalibration CircuitMonitorPDTapSPGCOpticalOutputsSPGCLaserDriverSFP OutSFP DriverReceiverPDPSGCOpticalInputsLaserNSF <strong>WETI</strong> Workshop 2012 - Luxtera Proprietary2/2/2012Page 3
<strong>Silicon</strong> <strong>Photonics</strong> – An Integrated PDK• The difference between optical components, andoptical circuits− Like electronics, optics can be reduced into a base library offundamental componentso Couplers, Waveguides, Phase Shifters, Photodiodes− Like electronics, those components can be organized intocircuitso Mach Zender Interferometer (Phase Shifters, Splitters/Combiners, etc.)• <strong>Opto</strong>-electronic circuits− The integration of optical and electrical components into asingle circuito Enables a high level of system optimizationo Distributed MZINSF <strong>WETI</strong> Workshop 2012 - Luxtera Proprietary2/2/2012Page 4
Si <strong>Photonics</strong> Technology Plat<strong>for</strong>m: PDK• <strong>Electronic</strong> and Photonic Device Library:– Parameterized cells– Behavioral models built and verified– Represent actual process corners– Allow accurate O-E simulation• Automated layout tools:Matlab-Cadence interface: Geometrygeneration directly from Matlab intoCadence• <strong>Design</strong> Rule Check (DRC):Process/Device checks + interaction withelectronics, Front-end CMP simulation andtiling design rules with CMP simulationDeviceModels&CornersComponent Library(Optics, <strong>Electronic</strong>s)SimulationPlat<strong>for</strong>mPDKProcessParametersParasiticsPhysicalVerification Tools(DRC, LVS, etc…)• Layout vs. Schematic (LVS) Check:E-to-E, E-to-O, and O-to-O connectivity anddevice extraction<strong>Design</strong>Rules• End-to-end simulation capabilityNSF <strong>WETI</strong> Workshop 2012 - Luxtera Proprietary2/2/2012Page 5
An <strong>Opto</strong>-<strong>Electronic</strong> Circuit: DMZI• Provides rail-to-rail voltage swing across optical phase modulatorsDifferential Transmission LineOptical Phase ModulatorData InESDESDMZI PhaseCalibrationModulated LightCW Laser InputUnit DriverElectrical ComponentsDistributed MZI DriverOptical ComponentsNSF <strong>WETI</strong> Workshop 2012 - Luxtera Proprietary2/2/2012Page 7
Summary• Without an integrated PDK including <strong>Opto</strong>-<strong>Electronic</strong>simulation capabilities, silicon photonics incomplete.NSF <strong>WETI</strong> Workshop 2012 - Luxtera Proprietary2/2/2012Page 9
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