Senior Scientist, Optical Interconnect Integration, IME
5900 - 11800 SGDA*STAR
Job Description
Job Responsibilities:
- Support optical interconnect integration using 2.5D and 3D advanced packaging approaches.
- Understand and generate package design layouts, process-flow concepts, test vehicle plans, and validation strategies.
- Coordinate fabrication, assembly, and integration of optical interconnect test vehicles with internal teams and external partners.
- Develop advanced package-level and wafer-level optical interconnect solutions for Co-Packaged Optics (CPO) and heterogeneous integration platforms.
- Perform optical simulation and analysis to assess coupling loss, alignment tolerance, package-stack effects, and interface-related optical performance.
- Design and evaluate optical coupling structures, including grating-coupler, edge-coupler, lens-assisted, and fiber-array-based interfaces.
- Develop passive fiber alignment concepts and detachable low-loss optical connector schemes for high-density optical I/O integration.
- Contribute to optical interconnect architectures for GPU–GPU, GPU–memory, and multi-chiplet system-level packaging applications.
- Perform optical and electro-optical characterization of fabricated structures, including optical loss, coupling efficiency, high-speed modulation response, eye-diagram, and link-level performance evaluation.
- Support package-level electro-optical testing of optical interconnect test vehicles using relevant optical, RF, and high-speed measurement setups.
- Propose new concepts to improve optical coupling efficiency, alignment tolerance, manufacturability, and testability of next-generation CPO platforms.
Requirements
- Strong understanding of optical interconnect integration and advanced packaging concepts for Co-Packaged Optics (CPO) and heterogeneous integration platforms.
- Knowledge of optical coupling mechanisms, optical loss sources, alignment tolerances, and package-induced optical performance variations.
- Familiarity with photonic integration platforms such as Silicon Photonics (SiPh), Indium Phosphide (InP), and Thin-Film Lithium Niobate (TFLN), including edge-coupler and grating-coupler interfaces.
- Understanding of passive and active optical alignment approaches for fiber-array and chip-level optical coupling structures.
- Knowledge of wafer-level and package-level fabrication processes, including lithography, plasma etching, wafer thinning, bonding, molding, and dicing processes.
- Familiarity with optical simulation and analysis tools for evaluating coupling efficiency, alignment sensitivity, and optical interface performance.
- Understanding of optical and electro-optical characterization techniques, including optical loss measurement, high-speed modulation testing, eye-diagram evaluation, and package-level optical testing.
- Familiarity with microscope-based inspection, metrology, and laboratory characterization.
- Ability to support process integration activities, and collaboration with internal teams and external partners.
- Strong analytical, problem-solving, communication, teamwork, and technical documentation skills.
The above eligibility criteria are not exhaustive. A*STAR may include additional selection criteria based on its prevailing recruitment policies. These policies may be amended from time to time without notice. We regret that only shortlisted candidates will be notified.
4750 - 9500 SGD
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