Lightmatter
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About
Lightmatter is a pioneer in silicon photonics, developing groundbreaking photonic interconnect and packaging technology platforms, named Passage. Their Passage M1000 Reference System, built around the Passage M1000 3D Photonic Superchip, and Passage L200 3D Co-Packaged Optics are designed to power the next generation of AI infrastructure. These platforms enable massive scale-up bandwidth and radix, crucial for connecting GPUs, TPUs, and data center switches in the largest AI model training clusters. Lightmatter's innovations, including a world-first 16-wavelength bidirectional optical DWDM link, are aimed at shattering physical limitations of transistors and accelerating AI model training by up to 10x, paving the way for advanced AI data centers and the pursuit of AGI. They also actively collaborate with industry standards organizations like OIF, UALink, UEC, JEDEC, GSA, OCP, and Optica to drive photonics standardization and adoption.
Platform
Features
• silicon-area-per-package scaling
• accelerated ai model training
• increased radix for ai clusters
• massive scale-up bandwidth
• 16-wavelength bidirectional optical links
• 3d co-packaged optics (passage l200)
• 3d photonic superchips (passage m1000)
• photonic interconnect technology
Job Opportunities
Analog IC Design Engineer, AMS
Lightmatter is revolutionizing AI infrastructure with photonic chips, enabling faster training of frontier AI models and massive scale-up bandwidth for data centers.
Benefits:
Comprehensive Health Care Plan (Medical, Dental & Vision)
Retirement Savings Matching Program
Life Insurance (Basic, Voluntary & AD&D)
Generous Time Off (Vacation, Sick & Public Holidays)
Paid Family Leave
Education Requirements:
MS with 8+ years of relevant experience
Ph.D. with 5+ years of industry experience
Experience Requirements:
MS with 8+ years of relevant experience, OR Ph.D. with 5+ years of industry experience designing analog and mixed-signal circuits
Solid understanding of CMOS device characteristics, noise, mismatch, linearity, and design trade-offs
Experience with Cadence Design Environment
Experience in testing analog circuits in a lab environment
Ability to work collaboratively with people across multiple functional areas
Other Requirements:
Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws.
Responsibilities:
Design analog/mixed-signal (AMS) circuits used in control loops, such as data converters, amplifiers, drivers, comparators, bandgap, and more
Support micro-architecture development with chip architects by conducting feasibility studies
Collaborate with members of our design engineering teams (system, digital, analog, photonics/laser) to define electrical requirements
Document design simulations and verifications towards formal design reviews
Drive block-level floorplan, mask design views, and their reviews
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