R&D VCSEL Designer

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! About Lumentum 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. What You'll Be Doing Design of new GaAs-based VCSEL devices and VCSEL technology platforms Apply knowledge and experience with epitaxial growth and wafer fabrication techniques develop the design (mask layout, EPI structure) and fabrication flow (etching, metallization, dielectric passivation, implantation, oxidation, wafer fusion, etc.) Device characterization including laser diode testing at wafer probe and chip-on-carrier for light-voltage-current (LIV), spectra, polarization stability, near-field and far-field beam parameters under CW, ms pulsed and ns pulsed operation. Data analysis and understanding of device physics to correlate the device characterization to design inputs (epi, fab, emitter design and die layout) and use this information along with modeling tools to improve device performance Coordinate with groups within Lumentum and at contract manufacturers to bring the new designs, wafer fabrication flows and device characterization methods into manufacturing and product release Generating key intellectual property (IP) from new ideas in design and manufacturing What We’re Looking For Education: PhD degree in optoelectronics or other relevant major or Master's degree with 3 years of experience is minimum requirement. PhD with industry experience is preferred. Experience: Core Requirements: PhD degree in optoelectronics or other relevant major or Master's degree with 3 years of experience is minimum requirement. PhD with industry experience is preferred. Experience with VCSEL design and wafer fabrication Knowledge of semiconductor device physics, process technology and equipment Experience with software data analysis tools (such as Excel, JMP, Minitab) photomask layout, and data processing (Python, Matlab) Excellent ability to work in cross-functional teams as both a team leader and a contributor Strong verbal and written communication skills Preferred Qualifications Optoelectronic device modeling including electrical, optical, thermal. Perks You’ll Love Flexible time off Health and wellness benefits (physical and mental) Tuition reimbursement and career growth support A workplace built for you: free gym, games room, prayer room Subsidized meals, free coffee/tea Employee stock options and incentive plans Join a Team That’s Shaping the Future 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. Let's Build a Brighter Future Together! We're committed to building an inclusive workplace where everyone feels valued and empowered. We welcome applicants from all backgrounds and provide accommodations for individuals with disabilities throughout the hiring process. Your uniqueness makes us stronger, sparks creativity, and drives our success. Pay Range Pay Range: P60-USA-1 :$112,050.00 - $192,500.00 Disclaimer: Final base salary for the successful candidate will depend on multiple factors, including but not limited to, job location, where work will be performed, qualifications, work History and relevant experience. With our continual goal of making Lumentum a best place to work for our employees, we strive to offer employees competitive total compensation packages, which may include annual bonus, commission for certain sales roles, equity, and health and welfare benefits. Lumentum is illuminating the networks of tomorrow with advanced photonic technologies that enable AI, data centers, telecom, industrial, and sensing applications. As AI accelerates the global demand for bandwidth and energy efficiency, we deliver the building blocks that keep data moving reliably, efficiently, and at massive scale. Our optical products support AI and compute infrastructure, cloud and DCI environments, metro and long-haul networks, while our lasers drive breakthroughs in precision manufacturing and sensing. For nearly five decades, Lumentum has been at the intersection of light and innovation. What began as a vision with JDS Uniphase to harness the power of photonics has evolved into a global force driving the communication infrastructure of tomorrow. At Lumentum, we’re building more than a business—we’re building a team of passionate innovators whose drive to collaborate, create, and connect the world fuels everything we do. We are part of the AI technology revolution and we are illuminating the path forward. Headquartered in San Jose, California, we operate worldwide through a network of R&D, manufacturing, and sales locations. #J-18808-Ljbffr