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SUMMARY:Scaling Short-Wavelength Silicon Photonics for Neurotech\, Microdisplays and Quantum Systems
DESCRIPTION:Title: Scaling Short-Wavelength Silicon Photonics for Neurotech\, Microdisplays and Quantum Systems \nSpeaker: Dr. Wesley Sacher\, Principal Investigator\, Dept. of Nanophotonics\, Integration\, and Neurotechnology\, Max Planck Institute (MPI). \nDate and time: Thursday\, Feb 26\, 2026\, 5:00 – 6:00 PM \nLocation: GB220 \nAbstract: \nSubmicrometer-wavelength silicon photonics spanning the visible through near-infrared (VIS–NIR) is emerging as a path to miniaturized\, scalable optical microsystems for biophotonics\, sensing\, quantum technologies\, microdisplays\, and potentially new data-communication approaches. Accelerating progress across these domains calls for a versatile\, foundry-fabricated platform spanning this >1-octave range with high-performance components—reducing customization\, supporting innovation that transfers across applications\, and enabling wafer-scale manufacturing. In this talk\, I will present our foundry-fabricated silicon photonics platform operating from 400–980 nm. It provides advanced passive functionality across three silicon nitride waveguide layers and integrates silicon photodetectors\, thermo-optic switches\,hybrid-integrated lasers\, MEMS beam scanners\, in-situ thermal trimming for post-fabrication variation compensation\, and integrated temperature and strain sensors for closed-loop circuit stabilization and control. \nBio: \nWesley Sacher leads the Nanophotonics\, Integration\, and Neural Technology (NINT) Department at the Max Planck Institute of Microstructure Physics. Dr. Sacher obtained the Ph.D. in Electrical and Computer Engineering from the University of Toronto in 2015\, and from 2015 to 2018\, he was a postdoctoral scholar at the California Institute of Technology. For the past decade\, Dr. Sacher’s research has focused on the development of silicon (Si) integrated photonics for submicrometer wavelengths (beginning with visible light and now extending into the near-infrared). He and his team are developing a fully-active\, foundry-fabricated Si photonics platform for short wavelengths in addition to packaged microsystems leveraging these advances for neurotechnology\, sensing\, microdisplays\, and quantum systems.
URL:https://photonics.utoronto.ca/event/scaling-short-wavelength-silicon-photonics-for-neurotech-microdisplays-and-quantum-systems/
LOCATION:GB220\, 35 St. George Street\, Toronto\, ON\, M5S1A4\, Canada
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