Slide 1: Hybrid Integration Platform for Co-Packaged Photonics Using POET's CMOS Based Optical Interposer
OFC 2022 Hybrid Integration Platform for Co-Packaged Photonics Using POET’s CMOS Based Optical Interposer Dr. Suresh Venkatesan CEO, POET Technologies Booth # 5301
Slide 2: Topics
Topics Introduction Application Proof Points Conclusions
Slide 3: POET's Technology Solution
POET’s Technology Solution Electrical Typical electrical interposer with high-speed electrical connections among devices has been commonly used in devices like cell phones Interposer Electrical Electrical Die 1 Die 2 Electrical Electrical Die 2 Interconnections Electrical Die 1 Waveguides Electrical
Slide 4: POET's Optical Interposer
POET’s Optical Interposer POET’s Optical Interposer : A Co-Packaging Solution Implementation into a 100G-400G Optical Engine Low loss Self Aligned CMOS Compatible Micro Mirrors and Low Loss for out of Mechanically Waveguides plane coupling Interlocking - Compatible with a World’s smallest single chi
Slide 5: Comparison between POET's DML engine approach versus conventional CoB DML solutions
Comparison between POET’s DML engine approach versus conventional CoB DML solutions Conventional Chip on Board POET’s Optical Engine MPD Sub- assembly Thin film Filter Isolators Lens DML Laser on Flip Chip DML Laser Integrated Multiplexer Fiber coupling sub mount on Interposer Collimating Lens Subst
Slide 6: Application Platforms
Application Platforms Directly Modulated Laser Platform CW Laser Platform External Modulator 9mm Integrated CW Lasers Flip Chip on platform 6mm FR4 CW Laser • 100Gbps FR4 Mux • 200Gbps • 400Gbps • 800Gbps FR4 DeMux LR4 • 100Gbps High Speed PDs • Custom Configurations with multiple engines form 800Gb
Slide 7: POET's Optical Interposer Differentiators
POET’s Optical Interposer Differentiators System Architecture Wafer Level Packaging • Hybrid integration of different material platforms • Use automated pick-place equipment to enable • Optimal partitioning for best power/performance/cost high speed and low cost manufacturing • Extremely broad desig
Slide 8: Topics
Topics Introduction Application Proof Points Conclusions
Slide 9: 100G CWDM Optical Engine
100G CWDM Optical Engine TRANSMITTER RECEIVER Sensitivity Receiver Spectrum Reference Transmitter 0C 1270 CH1, ER= 4.14dB, EMM=45.4% CH2, ER= 4.1dB, EMM=50.4% CH3, ER= 4.18dB, EMM=52.5% CH4, ER= 4dB, EMM=44.1% 1270, ER=4.26dB, EMM=44.7 1290, ER=4.5dB, EMM=41.4% (SN: 27-14 0011) (SN:29-14 0002) 1290
Slide 10: 200G FR4 Optical Engine
200G FR4 Optical Engine Common Optical Engine meeting the requirements of 100/200G 200G Optical Engine on Evaluation Board Optical Performance CH1 OutER=3.87dB, TDECQ=1.98dB CH2 OutER=3.64dB, TDECQ=2.24dB Excellent 200G PAM4 signals through the Optical Interposer CH3 OutER=3.52dB, TDECQ=2.43dB CH4 O
Slide 11: 400G/800G FR4 Receiver Performance
400G/800G FR4 Receiver Performance 400G FR4 Receivers integrated into 400G FR4 engine 750um pitch output guides for TIA compatibility 3777um FR4 Demultiplexer Input SSC - 13nm bandwidth - >20dB cross talk Optimized vertical mirror 9960um PBE IL: -2.3dB 16um aperture 56Gbps PDs Light from mirror near
Slide 12: 100/200G LR4 Solutions
100/200G LR4 Solutions 100G LR4 Optical Engines created utilizing the same fundamental platform as 100G CWDM LR4 MULTIPLEXER 0 LR4 Tx Engine -5 -10 LIV -15 -20 -25 -30 -35 -40 -45 -50 1285 1290 1295 1300 1305 1310 1315 CH4 CH3 CH2 CH1 Good saturation current post bonding Laser Assembly Passive Devic
Slide 13: POET's Platform extension to Multi-Core Fibers
POET’s Platform extension to Multi-Core Fibers Multi Core Fiber (SM) POET’s Optical Interposer • 26 micron core to core pitch • 26 micron core to core pitch • SM cores at 1310nm • Spot Size Converters • 125um cladding diameter • Coupling efficiency to each SMF cores : 0.5dB Demonstrated excellent co
Slide 14: Next generation External Cavity Lasers
Next generation External Cavity Lasers Novel design leveraging POET’s low loss waveguides to create a “hybrid” external cavity laser Simulated Reflectivity Spectra for 400GHz spacing Novel and patented Grating design to form sub-nm high reflectivity stop bands for wavelength selection Front and Back
Slide 15: 8-Ch CW-CWDM Laser Array (400GHz spacing)
8-Ch CW-CWDM Laser Array (400GHz spacing) Preferred design without lens/isolator Optionally : A single lens/Isolator can be added to the platform between the MMI and the Mux Two options exist for a multi-wavelength per fiber solution: Multiplexer + Splitter NxN Star Coupler Design feasibility establ
Slide 16: Topics
Topics Introduction Application Proof Points Conclusions
Slide 17: Optical Interposer Summary
Optical Interposer Summary POET has developed a Wafer Scale Hybrid Integrated Photonics Packaging Platform compatible DML, CW and EML Lasers Low Loss Transmission and Coupling with passive placement Low Waveguide loss : 0.2dB/cm Athermal Waveguides : CWL shift of 12pm/ºC Median CW/EML Laser Coupling
Slide 18: Please stop by Booth 5301 for a view of the optical interposer in action
Please stop by Booth 5301 for a view of the optical interposer in action and for any additional questions you may have THANK YOU