Episode 110 – Vikas Gupta, Senior Director of Product Management for Silicon Photonics at GlobalFoundries

Manufacturing Matters

“From a fab perspective, you’re not only looking at submicron structures, but then some of these fiber interfaces may be centimeters. You have to be able to inspect and fabricate structures which vary in orders of magnitude.”
Photonic integrated circuits (PICs), which use light instead of electricity to transmit and process data, will enable faster, more efficient communication critical for applications like data centers, telecom, and advanced sensing. GlobalFoundries, a major semiconductor foundry based in Malta, N.Y., is at the forefront of the industry’s PIC work. In this episode of Manufacturing Matters, TECH B2B’s Dan McCarthy and Aaron Hand talk with Vikas Gupta, senior director of product management for silicon photonics, about the GF technology that combines photonics with a 45 nm RF CMOS technology — all on a single piece of silicon. Gupta details the challenges faced in manufacturing electronics and photonics on the same chip, the trickiness of optical interfaces, packaging complexity, thermal mismatch, and more.
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