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Principal R&D Laser EPI Design Engineer

Lumentum · USA - CA - San Jose (Ridder) · On-site

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About Lumentum

Discover how Lumentum enables innovation through optical and photonic technologies for cloud networking, 3D sensing, lasers, and advanced manufacturing.

About the role

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! At Lumentum, we’re more than just a workplace—we’re a launchpad for creativity and innovation. We’re committed to celebrating your unique talents and helping you grow. Our guiding principles—Innovate, Engage, Deliver, Excel, and Win—aren’t just words; they’re the heart of what we do. Found on 1752vc Careers, the job board for startup and VC roles.

What they're looking for

  • PhD degree in optoelectronics or other relevant major with industry experience is minimum requirement
  • Hands-on experience with MBE or MOCVD growth of III/V semiconductor material, preferred experience with GaAs based VCSEL devices
  • Experience with semiconductor wafer analysis such as photoluminescence (PL), Reflectance spectrum, EPI defects and haze scans, X-Ray diffraction (XRD), SIMS, ECV profiling
  • Knowledge of semiconductor device physics, laser diode testing and wafer process technology
  • Experience with software data analysis tools (such as Excel, JMP, Minitab) and data processing (Python, Matlab)
  • Excellent ability to work in cross-functional teams as both a team leader and a contributor
More about this role

It's fun to work in a company where people truly BELIEVE in what they're doing!

We're committed to bringing passion and customer focus to the business.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

At Lumentum, we’re building the tech behind the world’s fastest networks and most advanced systems. Our optical and photonic solutions power everything from AI and cloud computing to data centers, telecom, and advanced manufacturing.

We’re a global team of innovators working where light meets technology, solving big challenges that keep the world connected and moving forward. If shaping the future of connectivity excites you, you’ll fit right in.

  • Coordinate with device designers to develop the epitaxial growth recipes needed for the devices to meet the wide range of performance requirements including output power, drive voltage, beam characteristics, wavelength, high-speed operation and reliability
  • EPI design includes, but is not limited to, modeling design inputs such as layer thicknesses and compositions, doping profiles, active regions, growth conditions to outputs such as mode profiles, beam divergence and...

Read the full posting on Lumentum's site ↗

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