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OSA/SPIE, SPRC and Ginzton Lab present "Workshop on Inverse Design using SPINS"

Topic: 
Workshop on Inverse Design using SPINS
Thursday, June 4, 2020 - 1:30pm
Venue: 
Zoom ID: 945 5728 7546 (password required)
Speaker: 
Jinhie Skarda & Geun Ho Ahn (Stanford)
Abstract / Description: 

The goal of this workshop is to provide attendees with a practitioner's perspective of the basic ingredients and tools of inverse design using SPINS [1], a photonic optimization framework developed at Jelena Vuckovic's Nanoscale and Quantum Photonics Lab over the past decade.
SPINS is a flexible inverse-design platform that is compatible with a variety of device parametrizations, electromagnetic solvers, and objective functions. This has enabled SPINS to be used to design and experimentally demonstrate functional devices in a wide variety of different application areas including grating couplers [2-4], optical routing for LiDAR [5], and electron accelerators [6].
In this workshop, we will work through examples of using SPINS to design simple devices, including grating couplers and silicon photonics devices. We will emphasize how attendees can adapt these examples for their own applications and discuss some practical considerations for using inverse-design to produce functional devices. All example code will be available online after the workshop.

[1] Su, L. et al. Nanophotonic inverse design with SPINS: software architecture and practical considerations. Appl. Phys. Rev. https://doi.org/10.1063/1.5131263 (2020).
[2] Su, L. et al. Fully-automated optimization of grating couplers. Optics Express, 26(4): 4023–4034, 2018.
[3] Sapra, N. V. et al. Inverse design and demonstration of broadband grating couplers. IEEE J. Sel. Top. Quantum Electron. 25, 1–7 (2019).
[4] Dory, etl al. Inverse-designed diamond photonics. Nature Communications, 10(1):3309, 2019.
[5] Yang, K. Skarda, J. et al., Inverse-designed non-reciprocal pulse router for chip-based LiDAR, Nature Photonics DOI: 10.1038/s41566-020-0606-0 (2020)
[6] Sapra, N. V. et al., On-chip integrated laser-driven particle accelerator. Science 367, 79-83 (2020).

Bios:

Jinhie Skarda is a PhD candidate in the Electrical Engineering department at Stanford University working in Professor Jelena Vuckovic's group. She obtained her B.S. in 2017 from Stanford in Engineering Physics. Her research interests include developing computational design methods and designing novel structures for use in imaging and optical communication.

Geun Ho Ahn is an EE PhD candidate at Stanford University working at Professor Jelena Vuckovic's Nanoscale Quantum Photonics Laboratory. He obtained B.S. in Electrical Engineering and Computer Sciences (EECS) from University of California, Berkeley in 2018. His research interests include computational optimizations of photonic devices and quantum technologies made from nanoscale fabrications.