Photonics Design Engineer
Xanadu’s mission is to build quantum computers that are useful and available to people everywhere.
At Xanadu, we are learners, innovators, researchers, collaborators and problem solvers. We are creating something that has never been built before. Few people in their life will be able to be a part of something like this, where if we are successful, the technologies we develop will solve some of the world’s most challenging problems, and literally change the world. And that is something to be excited about!
Role and responsibilities:
The successful candidate will work within the photonic integration team to develop cutting-edge active components, with an initial focus on high responsivity photodetectors, used throughout Xanadu's FTQC architecture. The candidate will take advantage of internally developed cloud simulation pipelines to effectively determine novel design strategies. Particular emphasis will be based on the execution of design of experiments (DOEs), while applying design for manufacturing (DFMs) concepts, exploring performance tradeoffs with Xanadu's 200mm and 300mm fabrication partners. The candidate will collaborate closely with hardware team members developing the scalable modules used in our quantum computers.
Required qualification, and experience:
- Msc or PhD in Engineering, Science, or related field, preferably with 2+ years experience in an industrial setting
- Expert-level knowledge and experience in designing active integrated optical components such as a) photodetector or photodiode, b) avalanche photodiodes, c) modulators, d) laser diodes, and e) phase shifters. The integrated optics platform could be silicon photonics or III-V photonics.
- Experience in developing components and performing tapeouts with photonic foundries.
- Understand and design around key sources of performance loss in active devices, specifically understanding the trade-off between numerous integration strategies, and optical and diode designs. Experience in correlating the wafer-scale non-uniformity with fabrication tolerances.
- Understanding of the tradeoff between different simulation approaches including sources of error and computational resource use.
- Additional preference: Experience in designing photodetectors or photodiodes for integrated optics/photonics. These detectors can be with material platforms based on Group-IV Germanium (Ge), GermaniumTin (GeSn), Silicon (Si), and III-V materials such as InGaAs, InP, GaAs.
- Ideal preference: Experience in designing integrated Germanium (Ge) photodetectors or photodiodes or Ge avalanche photodetectors.
- Experience with receiver testing/experiments with system-level design constraints. Understand the system-level concepts and the role of these photodiode-based receivers.
- A bonus (but not necessarily required): experience in design and configuring test/setups for component and receiver tests.
- A bonus (but not necessarily required): experience in developing components in an industrial environment, capable of debugging possible issues in device and module performance by simulations and testing, proposing the fixing solutions, write simulation and testing reports.
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