School of Microelectronic Engineering (Theses)
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Design and characterization of self-switching diode and planar barrier diode as high-frequency rectifiers
The development of high-speed rectifying devices has become one of major research areas which can be utilized in many applications, including radio-frequency (RF) and detection systems. Examples of these devices are ... -
Multi-wavelength brillouin fiber laser by utilizing fiber bragg grating
A ring cavity multi-wavelength Brillouin fiber laser by utilizing fiber Bragg grating is evolved to increase the transmission or data rate in the optical fiber communication especially in dense wavelength division multiplexing ... -
Algorithm and architecture of low computation FSHEXBS motion estimation for wireless video sensor networks
This project reviews the energy efficiency of several popular block-matching motion estimation algorithms that can be used in wireless video sensor network applications. Full search motion estimation provides the best image ... -
Development of SOA-MZI based logic gates and all-photonics flip flop
Photonics logic gates are actually logic gates that performs various logical functions such as AND, OR and NOT but instead of using electrons, they operate on using light as the main mechanism. XOR logic gates are commonly ... -
Optimization of line pattern transfer of integrated optical mach-zender interferometer for optical sensor
Conventional photolithography usually used in in-house fabrication process to transfer the design of line pattern. This research lays the foundation for the optimization of photo lithography process for line pattern transfer ... -
A study of multilayer solar cells performances using gallium arsenide (gaAs) and silicon (Si)
The present low efficiency of solar cells is due to the incomplete use of the solar spectrum. Since different semiconductor materials have different band gaps, it responds separately to different parts of the solar spectrum ... -
Numerical simulations of innovative ground plane and double-gate configurations in thin-body and -buried oxide of SOI MOSFETS
The downscaling of transistors enables an increased in transistor density, faster switching speeds and greater complexity with no increase in power consumption. However, the scaling of the conventional planar MOS transistors ... -
Design and analysis of 90 nm two-stage operational amplifier using floating-gate MOSFET
Low voltage, low power dissipation, high gain and matching are some of the concern when designing an analog circuit. A very low voltage can increase battery lifetime and integration density as market demands. Floating-gate ... -
Thermal-mechanical analysis of bonding pad in insulated gate bipolar transistor
In development of the die stacking interconnection technology, the thermal analysis on stacked dies are commonly engaged in semiconductor products. However, thermal issues are not the main criteria for stack die configuration ... -
Investigation of four wave mixing & cross gain modulation in photonic transmission system
This thesis focuses on investigation of two nonlinear effects, four wave mixing (FWM) and cross gain modulation (XGM) in photonic transmission system. The work begins with analyzing the performance for both nonlinear effects ... -
Development of RF to DC conversion circuit for energy harvesting
The demand of wireless application devices shows significant growth in this era. This leads to the needs of a long life battery unit to supply power for wireless devices. Thus, the idea of fulfilling this demand is by ... -
Synthesis and characterization of high dielectric constant material based on Er-doped BaTiO3 for capacitor applications
High dielectric constant material becomes an important parameter to be used as capacitor for storage in most electronic devices due to miniaturization trend of smart devices and electronic gadgets. BaTiO3 was used in ... -
Design of DC high voltage low current power supply using DC-DC converter and cockcroft-walton (C-W) voltage multiplier
A high dc voltage with low power consumption is used in cryogenic cooling for the purpose of cooling system. In order to accomplish the high dc voltage, numerous efforts are carried out to determine a new method of ... -
Intensity extraction and normalization algorithm development for DNA microarray image processing
Microarray has several thousands of spots that represent various parts of human genes on a slide. Each of the spot consists of two samples (normal as a reference and cancer as a target). The samples are labeled into green ... -
A novel approach using optical fringe analysis for breast carcinoma detection
Breast carcinoma is one of the primary cancers diagnosed among woman with 25.1 % accounted of all cancers in women. Recognized methods for breast carcinoma detection and diagnosis include breast self examination (BSE), ... -
Arterial fluid flow investigation on double stenoses contact morphology for medical application
Fluid flow investigation has been constantly worked upon since the dawn of Microelectromechanical Systems (MEMS) devices. Human vascular system provides the means for MEMS transportation thus enabling study and analysis ... -
SOA-NOLM based and, XOR, parity generator and checker
All-optical systems are attractive in signal processing for digital logics due to its higher bandwidth than the conventional electronic based circuits. Researches have shown that photonic integrated circuits might replace ... -
Intelligent design of microneedle structure for drug delivery system
Transdermal drug delivery (TDD) is an attractive system to transport drugs or biological compounds into human body, for its apparent benefit of eliminating pain and inconvenient intravenous injections. Microneedle is one ... -
Stability and degradation factors of natural dyes as photosensitizer in solar cell
Solar cell is the most potential power sources as a clean and inexhaustible source that utilize solar radiation. However, the solar cell technology is facing several issues regarding the long term stability which need to ... -
Integrated optical Mach-Zehnder interferometer for biosensor application
Dengue is an emerging global health problem affecting over half the world’s population. With the rapid pace of population growth and climate change, the population at risk of dengue has reached the figure of 2.5-3.0 billions, ...