Laser Test Engineer

<p><strong>Location:</strong> Hybrid - SF</p><p><strong>Employment:</strong> Full-time</p><p>Develop and qualify Volantis’s testing procedures for custom lasers and scale for mass production.</p><p>You will own development and implementation of testing and reliability procedures for our first- and second-generation custom laser designs, and their integration with the wafer-scale interposer.</p><h3>Responsibilities</h3><ul><li>Partnering with the laser design team to define test plans, specifications and pass/fail criteria for new individually addressable VCSEL array designs.</li><li>Characterizing prototype devices (LIV, spectral, far-field/beam profile, polarization, thermal and high-speed modulation) and delivering timely analysis that feeds back into design iterations.</li><li>Managing test data, including databases, wafer maps, yield analysis and SPC, to track device performance and process variation in conjunction with the designers.</li><li>Designing, building and maintaining wafer- and die-level prober systems, test fixtures and automated test software.</li><li>Owning qualification and ramp-up of VCSEL array product testing systems, scaling from R&D characterization to high-volume production test.</li><li>Working with the laser design, packaging and wafer-scale interposer teams to prove out reliability of the VCSEL itself and the overall system.</li></ul><h3>Requirements</h3><ul><li>Deep hands-on experience with semiconductor laser (preferably VCSEL) testing, characterization, validation, reliability and qualification.</li><li>Experience designing prober systems, test fixtures and related software automation</li><li>Proficiency with optical and electrical test equipment such as SMUs, optical spectrum analyzers, power meters, VNAs, and beam profilers</li><li>Ability to work independently as well as in cross-functional teams including quality and packaging</li></ul><h3>Nice to have</h3><ul><li>Experience qualifying and using contract manufacturers for large volume production test of VCSELs</li><li>Experience testing high-density VCSEL arrays, both top and bottom side emitting.</li><li>High speed direct modulation laser diode test experience</li><li>Understanding of sources of process variation and statistical process control for yield improvement</li><li>Laser reliability qualification (e.g., Telcordia GR-468) and/or laser packaging experience</li></ul>