Integrated Multi-Beam Sub-Millimeter Wave System on chip/in-package for Emerging Wireless/Sensing Applications

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Sub-Millimeter wave spectrum(100GHz-1THz) offer unprecedented opportunities to develop extremely fast short-range communication as well as high resolution sensor/imager devices for security, and biomedical sensing applications. Sub-mm-wave offers a massive bandwidth and spectrum where short range communication with data rate of over 100Gbit/s can become possible. High resolution imaging for security and concealed weapon detection is another major application of sub-terahertz wave. Sub mm-wave wave is also very sensitive probe of water, which has a significant influence on the behavior of biomolecules. Current THz systems including sources/amplifiers and detectors lack the characteristics such as beamforming, compact size and low power consumption needed for the emerging applications and are quite bulky and expensive. To investigate and develop affordable technologies with required characteristics the main steps of the proposed research are: 1. Exploring the best Sub-mm-wave characteristics for the emerging applications in short-range communication and sensing 2. Developing a new generation of low-cost but sensitive THz sources, detectors, and multi-beam transceivers based on recent advances in nano-metric semi-conductor processes. 3. Integration aspects of sources/detectors and transceivers into low-cost package. 4. Comprehensive test, characterization, and calibration of the devices under investigation. To achieve the objectives of the proposed research, many research challenges in circuits, systems, architectures, antennas, integration of transceivers and antennas need to be investigated and overcome. The heart of the new imager is a multi-channel multi-beam beam-former integrated circuit that needs to operate very efficient and very low power.