Optical Networks

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



Stephen Ralph Matthieu Bloch G. K. Chang
  • 100G and Terabit systems
  • Software defined autonomous networks
  • Digital coherent receivers
  • Electronic signal processing
  • System simulations and scaling
  • 100G wireless
  • Multimode VCSEL systems
  • Modulation and detection algorithms
  • Microwave photonics
  • Communication theory
  • Signal processing
  • FEC
  • Modulation and coding
  • Physical-layer security
  • Optical networks
  • Radio over fiber
  • Access networks
  • Coherent systems


Wireless Communications

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


John Cressler Manos Tentzeris Hua Wang Steve Kenney
  • Strained-engineered,silicon-based nanotransistors
  • SiGe heterostructuretechnology (SiGe HBT, strained Si CMOS)
  • Devices, circuits, systems for mixed-signal apps
  • Radar systems, widebandtransceivers, 100G ethernet
  • Extreme environments (wide T, radiation), self-healing circuits
  • Conformal 25dbi+ antennas and antenna arrays up to 94 GHz
  • RF/Wireless 3D integration & packaging (org/cer)
  • RFID’s
  • Inkjet-printed RF
  • Rugged/liquid WSN’s
  • Power scavenging
  • 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.


Hua Wang Alenka Zajic Steve Kenney John Cressler Brent Wagner
  • RF to THz circuits and systems
  • Self-healing and reconfigurable circuits and systems
  • On-chip antennas and antenna arrays
  • High-frequency circuits and antenna co-designs
  • On-chip and off-chip interconnects
  • Mobile-to-mobile wireless channel modeling and measurements
  • Underwater wireless channel modeling and measurements
  • Electromagnetic security and compatibility
  • Applied electromagnetics
  • High power RF amp design
  • PA linearization (digital & analog)
  • RFIC design (PAs, VCOs, etc.)
  • Tunable materials (multiferroics)
  • Phased arrays/smart antennas
  • Strained-engineered, silicon-based nano-transistors
  • SiGe heterostructure technology (SiGe HBT, strained Si CMOS)
  • Devices, circuits, sys. for mixed-signal apps
  • Extreme environments (wide T, radiation), self-healing circuits
  • T/R module technology
  • GaN amplifiers
  • High power packaging
  • Assembly
  • Thermal Management

Cognitive/Software Defined Radio

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.


Farrokh Ayazi David V. Anderson Hua Wang
  • High Q MEMS resonators
  • Integrated MEMS filter arrays
  • Reconfigurable filters
  • MEMS-based reference oscillators
  • Tunable oscillators with wide range
  • Integrated MEMS passives and mixers
  • Efficient hardware for MIMO
    equalization and detection
  • Asynchronous signal processing datapaths
    for efficient communications and DSP systems
  • Probablistic hardware
  • Broadband energy-efficient
    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.


Russell D. Dupuis S. C. Shen
  • LEDs (visible, UV)
  • Laser diodes (green to violet, UV)
  • III-N transistors (HEMTs, HBTs)
  • III-N UV avalanche photodiodes
  • High-voltage power switching devices
  • III-N HEMTs & HBTs (high-voltage, RF)
  • Power electronics for smart grid (device design/modeling,
    fabrication technology, IC integration, manufacturability)
  • III-N optoelectronic device fabrication
    techniques and characterizations

Biomedical Systems

Investigation of novel uses of electronics and photonics to enable new approaches in medicine and medical therapies.

Areas of research include: efficient signal processing approaches, implantable devices, biosensors, the brain-computer interface, ultra-low-power electronics, RF-THz sensors, neuroprosthetic devices



David Anderson Farrokh Ayazi Maysam Ghovanloo Jennifer Hasler Manos Tentzeris Hua Wang
  • Advanced bio-signal processing
  • Hearing aids
  • Efficient signal processing architectures
  • Biochemical Sensors
  • Interface ICs for biosensors
  • 6 DOF motion sensors
  • Magnetic sensors
  • Implantable biomedical electronics
  • Neuroprosthetic devices
  • High efficiency power and data transfer
  • Assistive technologies
  • Brain-computer interfacing
  • Energy harvesting
  • Novel medical devices
  • Bio-inspired circuits and systems
  • Ultra low power ASICs
  • Reconfigurable/tunable electronics
  • Analog signal processing
  • Floating gate transistor technology
  • Neuromorphic circuits and systems
  • Wearable and implantable antennas
  • Inkjet printed antenna technology
  • Autonomous self-recharging biomonitoring systems on paper
  • Integrated sensors and actuators
  • Integrated circuits and microfluidics co-design
  • Circuit and system for RF/mm-Wave/sub-THz imaging applications
  • Fundamental noise modeling for integrated sensor circuits and systems
  • Modeling electrochemical Properties of biosamples