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Physical and Wave Electronics

Research in this area covers various topics including electromagnetics, photonics and optoelectronics, plasma electronics, microelectromechanical systems, solid state, and nanotechnology.

Research in electromagnetics covers novel integrated three-dimensional microwave and millimeter wave circuits, components, and systems, printed antennas, wireless and personal communications, fiber optics, integrated optics and photonic bandgap wave guiding structures, left-handed transmission structures, antenna theory and design, satellite antennas, smart antennas and materials, antennas and biological tissue interactions, modern antenna near field measurement techniques, antenna diagnostics, radar cross section, multiple scattering, genetic algorithms, ultra wideband radar, radar signal processing, time domain electromagnetics, advanced EM numerical techniques, and parallel computational techniques.

Research in microelectromechanical systems and nanotechnology emphasizes the design, fabrication, and physics of sensors, actuators, and systems on a nanometer to millimeter scale. Research project areas include micro/nano devices for sensing and actuation applications, biology and medicine (BioMEMS/NEMS), neuroengineering, reconfigurable electromagnetic systems (RF MEMS/NEMS, millimeter wave devices, antennas), fluid dynamics, distributed sensor and actuator networks, and MEMS/NEMS integrated with state-of-the-art integrated circuits.

resonator.JPGResearch in photonics and optoelectronics covers devices, circuits, and systems. Target applications include but are not limited to telecommunication, data communication, phased array antenna systems, radar, CATV and HFC networks, and biomedicine. Among technologies being developed are nonlinear optical devices, ultrafast photodetectors and modulators, infrared detectors, mode-locked lasers, photonic bandgap devices, DWDM, CDMA, true time delay beam steering, temporal manipulation techniques and data conversion, digital and analog transceivers, optical MEMS, and biomedical sensors. Laboratory facilities host the latest technology in lasers, optical measurements, Gbit/s bit error rate testing, and millimeter wave optoelectronic characterization.

Research in plasma Electronics is concerned with a basic understanding of both inertially confined and magnetically confined fusion plasmas, as well as with the applications of plasma physics in areas such as laser plasma accelerators, ion beam sources, plasma-materials processing, and free-electron lasers. Extensive laboratory facilities are available, including highpower lasers and microwave and millimeter wave sources and detectors, a state-of-the-art laser and beam physics laboratory for advanced accelerator studies, and large quiescent low-density plasmas for nonlinear wave studies. In addition, experiments are conducted at a variety of national laboratories.

Research in solid state electronics involves studies of new and advanced devices with picosecond switching times and high-frequency capabilities up to submillimeter wave ranges. Topics being investigated are hot electron transistors, quantum devices, heterojunction bipolar transistors, HEMTs, MESFETs, ultra-scaled MOSFETs, SOI devices, bipolar devices, and photovoltaic devices. The studies of basic materials, submicron structures, and device principles range from Si, Si-Ge, Si-Silicides, and III-V molecular beam epitaxy to the modeling of electron transport in high fields and short temporal and spatial scales. Research also includes fabrication, testing, and reliability of new types of VLSI devices and circuits.

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