Now showing items 1-20 of 22

    • 0.42 THz Transmitter with Dielectric Resonator Array Antenna 

      Holisaz, Hamed (University of Waterloo, 2019-07-23)
      Off chip antennas do not occupy the expensive die area, as there is no limitation on their building material, and can be built in any size and shape to match the system requirements, which are all in contrast to on-chip ...
    • Disorder-based Electromagnetic Devices 

      Haghtalab, Mohammad (University of Waterloo, 2019-01-23)
      Engineered complex media with unusual and exotic electrical properties, realized through subwavelength building blocks, are leading to the development of new applications and improved functionalities in a variety of fields. ...
    • Graphene travelling wave amplifier for integrated millimeter-wave/terahertz systems 

      Ghafarian, Naimeh (University of Waterloo, 2018-10-09)
      Terahertz (THz) technology offers exciting possibilities for various applications, including high resolution biomedical imaging, long-wavelength spectroscopy, security monitoring, communications, quality control, and process ...
    • Graphene-Assisted Integrated Nonlinear Optics 

      Semnani, Behrooz (University of Waterloo, 2018-03-09)
      ‎The unique linear and massless band structure of graphene in a purely two-dimensional Dirac fermionic structure has ignited intense research since the first monolayer graphene was isolated in the laboratory‎. ‎Not only ...
    • Graphene-Based Nanophotonic Structures 

      Raeis Zadeh Bajestani, Seyyed Mohsen (University of Waterloo, 2016-08-31)
      Terahertz (THz) technology offers a rich playground for a vast number of research topics and applications. High resolution imaging for biomedical applications, long-wavelength spectroscopy for interstellar applications, ...
    • High-Efficiency Millimeter-Wave Front-Ends for Large Phased-Array Transmitters 

      Rasti Boroujeni, Soroush (University of Waterloo, 2020-10-26)
      The ever-increasing demand for wireless broadband connectivity requires infrastructure capable of supporting data transfer rates at multi-Gbps. To accommodate such heavy traffic, the channel capacity for the given spectrum ...
    • An Investigation on Passive Inter-Modulation generated by antenna contact 

      Hasnat, Forhad (University of Waterloo, 2017-09-06)
      In modern day handheld cellular devices, low-profile is a key design target. In addition, with the introduction of 4G protocols, the number of cellular bands has increased significantly and the simultaneous transmission ...
    • Lumped Elements Loaded Miniaturized Antenna for Bluetooth Enabled Hearing Aid Devices 

      Li, Zhichao (University of Waterloo, 2016-01-22)
      Hearing loss is one of the most common physical and sensory impairments among all ages, especially elders. Hearing loss may affect only one ear or both ears of a patient at a different degree of impairment. This asymmetrical ...
    • A Modular and Scalable Architecture for Millimeter-Wave Beam-forming Antenna Systems 

      AL-SAEDI, HUSSAM (University of Waterloo, 2018-10-24)
      As the demand for higher data rates increases, wireless technologies (e.g., satellite communications, fifth Generation (5G) wireless communications, and automotive radars) are migrating toward millimeter-wave (mm-W) ...
    • Multi-purpose Electromagnetic Energy Harvesting System 

      Ugwuogo, James (University of Waterloo, 2019-09-12)
      This thesis proposes a multi-purpose electromagnetic energy harvesting system that harnesses mechanical energy from diverse types of mechanical motion sources and converts it into low power electrical energy. The harvested ...
    • New Platforms for Terahertz Silicon Waveguides and Their Application in Absorption Spectroscopy 

      Amarloo, Hadi (University of Waterloo, 2018-02-15)
      Waveguides (components which convey electromagnetic waves between points) are essential building blocks within miniaturized systems for all ranges of frequency and applications, including those in the Terahertz (THz) ...
    • Noise Spikes of Relaxation Oscillator from Energy Theoretic Approach 

      Ng, Yon Chiet (University of Waterloo, 2017-08-31)
      An energy theoretic approach to augment the existing noise model is proposed by including the cryogenic (down to 77K) behaviour of the noise spikes due to the regeneration process (when loop gain close to 1) of a relaxation ...
    • Non-Invasive Blood Glucose Monitoring Using Electromagnetic Sensors 

      Omer, Ala Eldin (University of Waterloo, 2022-05-16)
      Monitoring glycemia levels in people with diabetes has developed rapidly over the last decade. A broad range of easy-to-use systems of reliable accuracies are now deployed in the market following the introduction of the ...
    • A Novel Retro-directive Phased Array Antenna Architecture 

      Fereidani Samani, Mohammad (University of Waterloo, 2018-12-21)
      Mobile wireless communication scenarios can range from a simple indoor WiFi link to a satellite internet connection to an airplane. Virtually in all scenarios, dynamic changes in the propagation environment or the movement ...
    • Optical Self-Phase Modulation in Graphene 

      Thakur, Siddharatha (University of Waterloo, 2018-12-20)
      Graphene is the first practically fabricated and stable two-dimensional material. It is an atomically thin layer of graphite with a unique gapless electronic band structure which leads to the observation of near-relativistic ...
    • Phase Shifter and LNA Design for Satellite Communication 

      Jeevananthan, Luxsumi (University of Waterloo, 2018-06-20)
      Phased arrays are being used in satellite communication systems in order to provide wireless data to mobile vehicles, ships and even aircrafts. This thesis focuses on the design of phase shifter, which is designed for the ...
    • Phased-Array Antenna-in-Package Technology for Emerging Millimeter Wave Applications 

      Raeesi, Amir (University of Waterloo, 2022-03-22)
      The ever-increasing data rates for wireless technologies (e.g., satellite communications, fifth generation (5G) wireless communications, and automotive radars) has directed the interests towards millimeter wave (mm-Wave) ...
    • Remote Material Characterization using mmWave FMCW Radar with Complex Baseband 

      Hegazy, Ahmed Metwally (University of Waterloo, 2021-01-13)
      Material characterization has been a topic of interest for many years due to numerous applications in industry and research. Free space material characterization has seen lots of interest lately due to the non-invasive and ...
    • Remote vital signs monitoring using a mm-wave FMCW radar 

      Alizadeh, Mostafa (University of Waterloo, 2019-01-23)
      A vision on the migration from contact standard health monitoring measurement devices to non-contact measurement technologies has gained a tremendous attention in literature and in industry. A promising method for realizing ...
    • Shared-Aperture 3D-Printed Dielectric Resonator Antenna Arrays for Millimeter-Wave Applications 

      El-Sawaf, Heba Imam Ahmed (University of Waterloo, 2022-05-11)
      With the increase in demand for higher data rates and higher bandwidth requirements, modern communication systems pursue innovative solutions that effectively utilize the high-frequency spectrum available at the Millimeter-wave ...


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