[20261123] NUS: Research Fellow [Electrical Modelling of Advanced Packaging]

The National University of Singapore (NUS) is seeking a Research Fellow in the Department of Electrical and Computer Engineering, College of Design and Engineering. This postdoctoral research position focuses on developing analytical and equivalent-circuit models for next-generation advanced packaging and high-density interconnects, including 2.5D/3D integration, hybrid bonding, nano-through-silicon vias, backside power delivery networks, and co-packaged optics. Applicants should hold a Ph.D. in a relevant discipline and have expertise in electrical modeling, circuit simulation, and interconnect performance analysis.

Important Dates / Deadline

  • Job Posted: November 2, 2026
  • Application Deadline: November 23, 2026 (standardized deadline set 15 calendar days after the current date because the source does not specify an application deadline).

Organization

  • Institution: National University of Singapore (NUS)
  • College: College of Design and Engineering
  • Department: Electrical and Computer Engineering (ECE)
  • Position: Research Fellow
  • Employee Category: Research Staff
  • Principal Investigator: Prof. Yu Chen-Hua

Location / Study Destination

Singapore, Kent Ridge Campus, National University of Singapore (NUS).

Who Can Apply

Applicants should meet the following qualifications:

  • Hold a Ph.D. in Electrical and Electronics Engineering, Computer Engineering, Applied Physics, or a closely related discipline.
  • Have research experience in analytical modeling, equivalent-circuit development, or advanced interconnect technologies.
  • Demonstrate knowledge of circuit theory, electromagnetics, transmission lines, and electrical performance evaluation.
  • Have experience with compact models, parameterized model libraries, or electrical components of process design kits (PDKs).
  • Possess relevant research publications.
  • Demonstrate strong analytical, computational, communication, and collaborative research skills.
  • Be willing to work under a fixed-term contract.

Main Requirements

1. Analytical and Equivalent-Circuit Modeling

  • Develop physics-based analytical models and lumped or distributed equivalent circuits for advanced interconnects and power delivery structures.
  • Establish relationships between interconnect geometry, material properties, operating conditions, and electrical parameters.
  • Model resistance, inductance, capacitance, and conductance.

2. Electrical Performance Evaluation

  • Quantify and benchmark latency, usable bandwidth, and energy per bit.
  • Evaluate performance trade-offs across interconnect dimensions, integration architectures, and operating conditions.
  • Account for driver, channel, and receiver contributions where relevant.

3. Signal Integrity Analysis

  • Investigate insertion loss, return loss, impedance discontinuities, reflections, and crosstalk.
  • Analyze eye-diagram degradation and high-speed electrical link performance.
  • Develop design guidance for high-density electrical interconnects.

4. Power Integrity Analysis

  • Analyze DC IR drop, transient voltage droop, power delivery impedance, and resonances.
  • Evaluate power and ground interconnects, decoupling capacitance, and supply distribution architectures.
  • Investigate voltage stability and power delivery performance.

5. PDK and Model Library Development

  • Develop parameterized compact models and reusable interconnect libraries.
  • Prepare model documentation for packaging and interconnect PDKs.
  • Define model validity ranges and incorporate process, geometry, and temperature variations.

6. Model Extraction and Validation

  • Extract electrical model parameters from electromagnetic simulations, test structures, and measurements.
  • Validate analytical and equivalent-circuit models against simulation and experimental results.
  • Quantify model accuracy and identify the operating conditions under which simplified models remain reliable.

7. Research and Collaboration

  • Collaborate with fabrication, packaging, device, and circuit researchers.
  • Connect fabrication process capabilities with electrical performance requirements.
  • Publish research findings and contribute to technical reports and project milestones.

Technical Skills and Experience

Applicants should demonstrate expertise in relevant areas, including:

  • Circuit Theory and Electromagnetics: Strong understanding of transmission lines, circuit fundamentals, and interconnect physics.
  • Advanced Packaging Technologies: Knowledge of 3D integrated circuits, hybrid bonding, through-silicon vias (TSVs), redistribution layers, backside power delivery, or co-packaged optics.
  • Electrical Modeling: Experience developing analytical models, equivalent circuits, compact models, and parameterized model libraries.
  • Signal and Power Integrity: Understanding of high-speed interconnects, power delivery networks, latency, bandwidth, and energy consumption.
  • Electromagnetic Parameter Extraction: Familiarity with frequency-dependent interconnect modeling and electromagnetic simulations.
  • Electrical Measurements: Experience with S-parameter measurements, time-domain reflectometry, electrical test structures, or measurement de-embedding.
  • Electro-Thermal Modeling: Understanding of temperature effects, device junction temperatures, and process variations affecting electrical performance.
  • Programming and Simulation: Proficiency in Python or MATLAB for numerical analysis, model fitting, parameter extraction, sensitivity analysis, and automated design exploration.
  • Circuit Simulation: Experience with SPICE-compatible simulators or equivalent computational tools.
  • Research Communication: Ability to prepare research publications, present technical findings, and communicate complex concepts to multidisciplinary audiences.

Important Notes

  • The position is a postdoctoral Research Fellow appointment within the NUS Department of Electrical and Computer Engineering.
  • The successful candidate will report to Prof. Yu Chen-Hua.
  • The research focuses on electrical modeling and performance evaluation of advanced packaging and high-density interconnect technologies.
  • The role combines analytical modeling, circuit simulation, experimental validation, and reusable model development for PDKs.
  • Expertise in a specific commercial electronic design automation (EDA) platform is not essential.
  • Applicants must be open to a fixed-term contract.