Institute of High Performance Computing

• Computing Science (CS)
• Electronics & Photonics (EP)
• Engineering Mechanics (EM)
• Fluid Dynamics (FD)
• Materials Science & Engineering (MSE)
• IHPC Independent Investigatorship (I³)
  

Electronics & Photonics (EP) Department

The Electronics & Photonics (EP) Department exploits the use of High Performance Computing (HPC) resources in the research of advanced computational electromagnetics and computational nanoelectronics.

The E&P Department’s mission is as follows:

• To advance the frontiers of photonics and plasmonics for active and passive element research
• To develop novel structures and computational methods for furthering integrated circuit packaging and electromagnetics.
• To exploit, collaborate, and further advance research breakthroughs with industry and academia in high-performance studies
• Antenna, RFID and RF devices
• EMC/EMI
• Signal/power integrity
• Electromagnetic design and analysis of IC and electronic packaging
• Design and analysis of 3D integrated circuits and integration
• Design and optimization of photovoltaic
• Silicon photonic devices
• Bio-photonic sensors
• Plasmonic devices

Radio Frequency Engineering

Research Directions / Challenges

• Developing tools for electromagnetic modeling and simulation
• Developing tools for complex and large Electromagnetic Compatibility (EMC) modelling technology
• Modeling and simulation for
• wireless communication devices
• nanoscale IC & 3-D electronics packaging
• electro-optical & thermal coupling analysis
• EMC/EMI
• Bioelectromagnetics
• RF Devices

Figure 1: Through-Silicon-Via (TSV) in Ground-Signal-Signal-Ground (GSSG) configuration and its equivalent circuits.

Figure 2: GUI for package solver.

Figure 3: Current and near field distribution for a dipole in a PEC room.

Figure 4: Virtual EMC Lab Environment.

Figure 5: Ray interaction in an aircraft cabin.

Lightwave Engineering

Research Directions / Challenges

• Numerical modeling & simulation of silicon-photonic devices for high-speed data communications
• Developing tools for complex photonic modeling and simulation
• Exploration of monolithic integration in silicon CMOS-compatible optical technology
• Green Photonics
• Solar Cells

• Low power high speed data transmission in storage centers, chip-chip interconnects
• Data multiplexing and de-multiplexing applications
• Highly sensitive sensing & diagnostics of a wide range of samples
• Anti-reflection coating

Figure 6: Electric field distribution of pyramidal antireflection coating.

Figure 7: Optical properties of composite materials

Figure 8: Subwavelength imaging with a Maxwell Garnett composite

Figure 9: Precise Mapping of Electrical Data into Optical Domain (pending Technology Disclosure)

Figure 10: High speed eye diagram simulation of an optical modulator (pending Technology Disclosure)

Plasmonics & Nanointegration

Research Directions / Challenges

• Fundamental study of localized surface plasmon resonance and propagating surface plasmon polaritons in metallic nanostructures
• Demonstrating localized surface plasmon resonance based sensor technology platforms implemented with nanostructures (e.g. nanoholes, nanoslits, nanoparticles and nanograting) to detect small and large molecules of biomedical, food and environmental interest
• Manipulating light in a subwavelength scale with state of the art plasmonic devices, including subwavelength waveguides, couplers, modulators, splitters, filters, multiplexers and detectors, for high-bandwidth requirements in data centers, multicore processors and on-chip optical interconnects
• Exploration nanoscale integrated plasmonics and silicon photonics platform for Tb/s communication bandwidth

• High-speed data transmission: data centers & multi-core processors, on-chip optical interconnects for nanoelectronic circuits
• Sensing: Plasmonic sensors for biomedical screening & diagnostics, agricultural product or food testing, and environmental monitoring
• Nanoscopy with focus light: bio-imaging and Nanolithography

Figure 11: (left) Nanoscale THz-speed plasmonic detector by using a nanoantenna and nanocavity; (right) Power flow showing that the optical power from the waveguide is highly concentrated in the active area of the plasmonic detector.

Figure 12: (left top) Schematic of a hybrid dielectric loaded plasmonic waveguide; (left bottom) Ring resonator formed with hybrid dielectric loaded plasmonic waveguides; (right) Electric-field distribution to show the on/off functions of the ring resonator formed with hybrid dielectric loaded plasmonic waveguides.

Figure 13: Schematic of a nanohole-array bio-sensor for detecting small molecules with plasmonics enhanced fluorescence.

Dr. Li Er Ping
Department Director