(Senior) Scientist I, Co-Packaged Optics, Adv Pckg, IME

Job Description

Develop package level optical interconnects for advanced Co Packaged Optics CPO platforms using fan out silicon interposer polymer glass or 3D stacking technologies interfacing with various optical coupling schemes

Simulate the impact of hybrid bonding interfaces package stacks and other packaging elements on optical signal transmission

Design silicon and alternative material lenses for optical IOs in wafer scale integration

Estimate optical losses between grating couplers edge couplers and fiber interfaces through lens structures

Design package level and wafer level optical interconnects between GPU to GPU and GPU to memory for multi chiplet heterogeneous integration packages

Develop passive fiber alignment structures and techniques for high density optical coupling

Evaluate fiber array assemblies with CPO test vehicles

Generate package design and test plans to prototype and validate process flows

Characterize fabricated structures using optical testing and metrology tools

Propose innovative ideas to advance the state of the art in optical interconnects and testing

Job Requirements

• Strong background in optical interconnect modeling
• Understanding of passive alignment techniques for fiber to chip coupling such as V grooves alignment pins and trench structures
• Understanding of optical loss mechanisms alignment tolerances and packaging induced misalignments
• Knowledge of wafer level processes such as lithography DRIE plasma etching wafer bonding and dicing
• Familiarity with photonic packaging platforms such as SiPh InP and TFLN and coupling interfaces such as edge couplers and grating couplers
• Proficiency in microscope based alignment metrology and optical loss measurements
• Strong communication teamwork and technical reporting skills
• MS or PhD in Engineering Physics or a related field

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.