Browsing University of Waterloo by Supervisor "Ban, Dayan"
Now showing items 1-9 of 9
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Advanced Nanoelectromechanical Systems for Next Generation Energy Harvesting
(University of Waterloo, 2018-11-15)The ever-increasing desire to produce portable, mobile and self-powered wireless micro-/nano systems (MNSs) with extended lifetimes has lead to the significant advancement in the area of mechanical energy harvesting over ... -
Characterization and Theoretical Study of Mid-infrared Quantum Cascade Lasers
(University of Waterloo, 2019-05-07)The technology and performance of quantum cascade lasers has rapidly developed since it was firstly unveiled in 1994. This type of laser has a feasible design, micro meter size and potential for emission of long wavelength ... -
Development of Terahertz Quantum Well Photodetector at 3 THz
(University of Waterloo, 2019-04-05)This thesis reports a new terahertz (𝑓=3.22 THz) quantum well photodetector (THz QWP) as well as comprehensive numerical models simulating device active region and different grating couplers including traditional diffraction ... -
Efficiency Improvement for III-V Nitride Micro Light-Emitting Diodes
(University of Waterloo, 2019-09-10)As a solid-state lighting source with high luminance and long life-time, the gallium nitride/ indium gallium nitride (GaN/InGaN) light-emitting diode (LED) is considered as a promising technology for many applications, ... -
InAs/AlSb Based Mid-Infrared QCL Growth and XRD Simulation
(University of Waterloo, 2016-08-24)In the past two decades, mid-infrared (MIR) quantum cascade laser (QCL) research has been rapidly developed and has resulted in an enabling platform for the remote sensing and metrology. QCL is designed by spatial confinement ... -
Investigation on performance enhancement of micro-sized IR photodetectors
(University of Waterloo, 2021-09-16)As an Infrared detector with high responsivity, high transmission speed, and low dark current, InP/InGaAs p-i-n photodetectors (PD) have been used as a promising technology for many applications, including optical communication ... -
Semiconductor Nanowire Based Piezoelectric Energy Harvesters: Modeling, Fabrication, and Characterization
(University of Waterloo, 2015-12-22)Semiconductor nanowire (NW) arrays’ unique advantages over bulk forms, including enhanced surface area, high mechanical flexibility, high sensitivity to small forces, better charge collection, and enhanced light absorption ... -
Toward High Performance Broad-band Frequency Comb Operation of Terahertz Quantum Cascade Lasers
(University of Waterloo, 2017-05-16)Recent advances in Terahertz Quantum Cascade Laser (THz QCL) development are pushing this technology ever closer to practical application, particularly within the spectroscopic field. For this reason, optimizing the operation ... -
Transport and Decoherence Phenomena in Quantum Dots
(University of Waterloo, 2020-05-11)The problem of a few electronic level coupling to an environmental heat bath, such as in quantum dots (QDs), is well-known in modern quantum physics. These systems have been widely studied as they can dictate the dephasing ...