1. © Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. Simulation and Design Challenges of Integrated Silicon Photonics for High-Speed Optical Data Communication M. Ashkan Seyedi, Janet Chen, Marco Fiorentino, Ray Beausoleil HP Labs 6/8/15

2. © Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 2 HP’s “The Machine” Electrons Photons Ions Compute Communicate Store http://www.hpl.hp.com/research/systems-research/themachine/

3. © Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 3 Current Work and Proposed Approach Current Work at HP Labs: To Develop a PDK that has: PCells for various optical components Simulated opto-electrical characteristics Verilog model from experimental data Compact model for optical components Proposed Approach: GDS-driven simulation of devices, supplemented by experimental data to deliver a validated, Verilog model of devices 3

4. © Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 4 Proposed Approach Workflow 4 This approach allows an ‘automated PCell’ approach that would automatically modify the GDS depending on choice of foundry, design parameters, etc.

5. © Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 5 Workflow cont. UHU Project5 STMicroelectronics F. Boeuf, OFC, 2015 Mentor Graphics/Lumerical http://www.mentor.com/company/news/mento r-lumerical-optical-design IPKISS/Luceda www.ipkiss.org Existing Capabilities Remaining steps are open areas for innovation and development, as proposed in this approach

6. © Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 6 Thank you! Ashkan.seyedi@hp.co m

7. © Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 7 Optical interconnects $$$ ¢ 10 0 10 3 10 4 10 5 10 6 10 -1 10 -2 10 -3 Distance (m) Cost pressure State of the art Advantages More bits per “wire” Less power per bit Better signal integrity 10 2 New architectures