A*STAR

Senior Scientist / Principal Scientist - High-Speed Silicon Photonics & Modulator Systems, IME

A*STAR
ResearchSingaporeOnsitePosted 1 month ago

About the role

We are seeking a highly experienced senior scientist to lead high-speed silicon photonics and heterogeneous integration technologies for data center and optical interconnect applications, focusing on device innovation, system-level definition, and commercialization.

ResearchOnsiteInstitute of Microelectronics

Key Responsibilities

  • Role Overview
  • This position is well-suited for a candidate with deep expertise in high-speed optical modulators, heterogeneous integration (e.g., LN-on-Si), and hands-on experience bridging device, system, and application-level requirements.
  • Device and Technology Development
  • Lead the design and development of high-speed thin-film lithium niobate (TFLN) modulators for data center applications.
  • Drive innovation in silicon microring modulators for optical I/O (OIO) and short-reach interconnects.
  • Contribute to heterogeneous integration strategies, including LN-on-Si and LN-on-SiN platforms , in close collaboration with fabrication and process teams.
  • Testing and Characterization Standardization
  • Establish and standardize high-speed RF and optical testing methodologies for modulators and photodetectors.
  • Lead the development and enhancement of ultra-high-speed test infrastructure (≥100 GHz bandwidth, targeting 400 G/lane and beyond).
  • Define best practices for data transmission testing, signal integrity analysis, and performance benchmarking.

Requirements

  • PhD in Electrical Engineering, Applied Physics, Photonics, or a closely related field.
  • Strong academic training in photonic device physics, modulation techniques, and optoelectronic systems.
  • Technical Expertise
  • Demonstrated expertise in high-speed optical modulator design , such as: Silicon modulators, Lithium niobate (LN/TFLN) modulators, Hybrid and heterogeneous integration (e.g., LN-on-Si).
  • Hands-on experience with high-speed optical and RF testing , including modulators and photodetectors.
  • Strong understanding of optical communication systems , especially for data center and short-reach interconnects.
  • PDKs used in real products or customer designs.
  • Industry and Research Experience
  • Proven experience leading or contributing to end-to-end R&D , from concept and prototyping to system validation.
  • Familiarity with transitioning research prototypes toward production or commercialization .
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  • Preferred Qualifications
  • Prior experience in data center optical interconnects, optical transceivers, or OIO architectures.
  • Track record of impactful publications, patents, or deployed technologies.