Investigation of optical technologies with emphasis on advanced communication techniques for high-speed links and the interface with high-speed electronics.
Areas of research include: coherent detection and electronic signal processing, autonomous systems, multimode VCSEL based fiber links for data centers, system simulation tools, microwave photonics & radio over fiber
Investigation of wireless technologies with emphasis on ultrafast devices, antennas, circuits and integrated modules for high-speed communication links and conformal radar/sensing applications up to THz frequency range.
Areas of research include: Si/SiGe-based technologies, devices and circuits for mixed-signal applications, W band circuits, tunable materials and filters, millimeter-wave antennas and circuits for WPAN, WBAN and WSN’s, and inkjet-printed RF electronics & wireless sensing nodes
Conformal 25dbi+ antennas and antenna arrays up to 94 GHz
RF/Wireless 3D integration & packaging (org/cer)
Wireless power transfer
“Green” RF on paper
Nanoenabled RF structures
RF/mm-Wave/sub-THz circuit & system designs
Self-healing & reconfigurable circuits & systems
Broadband low-loss matching techniques
Broadband multi-mode energy-efficient PA designs
On-chip antenna designs
Silicon-based power generation & amplification techniques
Fundamental noise modeling in circuits & systems
High power RF amp design
PA linearization (digital & analog)
RFIC design (PAs, VCOs,)
Tunable materials (multiferroics)
Phased arrays/smart antennas
Radar & Sensor Systems
Investigation of novel radar and sensor integrated circuits with improved form factor, efficiency, output power, sensitivity, and functionality, from RF to sub-mm-wave frequencies.
Areas of research include: Si/SiGe-based radar T/R modules from RF to THz, digital control, data converters for direct to RF, true-time-delay approaches, optimization for efficiency, reconfigurability, novel phased array implementations, novel packaging approaches, satellite-based remote sensing systems, automotive radar.
Enabling agile radios through tunable and adaptive circuits, efficient processing algorithms and hardware, and smart RF chains.
Areas include: radio collocations, wireless security, MIMO wireless systems, reconfigurable/self healing wireless system, gigabit optical networks and gigabit backplane & linecards systems for next generation consumer products, data centers, radars, and coherent detection systems.
Efficient hardware for MIMO
equalization and detection
Asynchronous signal processing datapaths
for efficient communications and DSP systems
circuits and systems
Self-healing and reconfigurable
circuits and systems
Broadband multi-mode energy-efficient
PA designs in silicon
Wide-Bandgap GaN Technologies
Engaging advanced epitaxial material growth technologies to enable III-Nitride (III-N) semiconductors for next-generation optoelectronics and microelectronics applications.
Leveraging high-quality III-N epitaxial materials to exploit new devices and ICs for a wide variety of green technologies.
Areas include: visible and UV LEDs, visible and UV LDs, RF/mm-wave transistor technologies, power electronics for smart grids, high-performance HBTs, and avalanche photodiodes.