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Photonics Circuit Design Engineer at Lightmatter - ApplyBlast

Photonics Circuit Design Engineer

Lightmatter

7 days ago

4.0 on Glassdoor

Mountain View, California, United States

Hybrid

Full Time

Senior

0 applicants

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About this role

Lightmatter is seeking a Photonics Circuit Design Engineer to design and model photonic and analog sub-circuits for its Guide laser products and Passage optical links. The role involves building high-fidelity behavioral models that capture fabrication variability, dispersion, and thermal effects to support systems architects in end-to-end product simulations. The engineer will collaborate with device and circuit teams to refine sub-circuit topologies and validate models against empirical silicon measurements.

Responsibilities

Design and model photonic and analog sub-circuits for laser products and optical links
Build high-fidelity behavioral models capturing fabrication variability and thermal effects
Partner with device engineers to extract and calibrate parameter sets using optical solvers

Skills

Qualifications

Ph.D. in Electrical EngineeringPh.D. in Applied PhysicsPh.D. in PhotonicsM.S. in Electrical EngineeringM.S. in Applied Physics

About Lightmatter

lightmatter.co

Headquarters

Mountain View, California, United States

Company Size

51-200 employees

Founded

2017

View Profile

Lightmatter is a photonic (super)computer company that merges photonics and computing to rethink the limits of AI. The company designs photonic interconnect chips — including its Passage co-packaged optics platform and Guide VLSP light engine — to deliver high-bandwidth, energy-efficient networking for large-scale AI supercomputers and data centers. Its products enable massive GPU cluster scaling for frontier AI training and inference workloads by overcoming the bandwidth limitations of conventional electrical interconnects.