voyant-photonics - Senior Silicon Photonics Design Engineer (Remote)
Requirements
• Ph.D. in Electrical Engineering, Applied Physics, Photonics, or a related field, or an M.S. with significant relevant industry experience. • Strong background in silicon photonic component design, including electromagnetic simulation and device optimization. • Demonstrated experience designing integrated photonic devices and bringing designs through silicon photonics foundry tapeouts. • Solid understanding of waveguide optics, photonic device physics, and semiconductor fabrication processes. • Proficiency with photonic simulation tools such as Ansys Lumerical, Tidy3D, COMSOL, or equivalent. • Ability to analyze experimental characterization data and translate results into design improvements. • Strong problem-solving skills, technical independence, and ability to collaborate in a multidisciplinary team. • Experience designing silicon photonic switches, phase shifters, or advanced passive components such as MMIs, mode converters, and polarization-handling devices. • Experience with silicon nitride waveguides, multilayer photonic integration, or heterogeneous photonic platforms. • Experience with photonic component design across different wavelength bands, particularly O-band and C-band. • Proficiency in Python or MATLAB for simulation automation, design optimization, and data analysis. • Experience with wafer-level characterization, fabrication variation analysis, or statistical device performance modeling. • We build frontier hardware & systems from our lab and office in Midtown Manhattan, where optical tables, lab benches and electronics sit alongside traditional office space. Our work is hands-on and primarily in person, but we don’t run on a rigid 9-to-5. We partner with customers across time zones, so some calls start early or run late, and we adjust schedules around them. We run a high-trust, high-accountability environment: you’ll own meaningful work, move quickly and often wear more than one hat. Voyant provides catered lunch every day at HQ, and we’re a diverse group of food lovers from around the world who enjoy sharing food, culture and technical ideas around the lunch table.
Responsibilities
• Design, simulate, and optimize passive and active silicon photonic components, including optical switches, waveguides, couplers, splitters, mode converters, and photodetectors. • Develop innovative component designs to improve optical performance, including insertion loss, crosstalk, bandwidth, power consumption, and fabrication tolerance. • Perform electromagnetic and multiphysics simulations to optimize device geometries and operating conditions. • Develop component layouts and test structures, collaborating with layout engineers to implement and verify designs. • Drive component development through foundry tapeouts, including design reviews, verification, and coordination with manufacturing partners. • Analyze optical characterization data and wafer-level measurements to validate designs and guide improvements. • Collaborate with system-level PIC designers to translate system requirements into component specifications. • Work with foundry partners to understand process capabilities and develop robust, manufacturable designs.
Benefits
• At Voyant, you'll help develop some of the most sophisticated silicon photonic chips, spanning two applications: optical circuit switching for AI data centers and chip-scale LiDAR sensing. • You'll tackle engineering challenges at the intersection of photonic device physics, large-scale circuit integration, and semiconductor manufacturing, developing high-performance photonic components that enable PICs with hundreds to thousands of integrated optical devices.
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