School of Electrical and Computer Engineering Theses and Dissertations
Original work in partial fulfillment of a graduate degree in the School of Electrical and Computer Engineering.
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Recent Submissions
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Dynamics of semiconductor laser diodes with delayed optical feedback and their application for the high-bit-rate generation of random-number sequences
(Georgia Institute of Technology, 2016-08-18)This thesis focuses on the chaotic dynamics of an external cavity semicon-ductor laser (ECSL) and their application for the high-bit-rate generation of random-number sequences. On the one hand, we are interested in ... -
VCSEL-based multi-mode fiber optical links for 100Gbit/s transmission: Advanced simulation tools and experimental link studies
(Georgia Institute of Technology, 2016-02-15)Ever since the first successful demonstration of the fiber-optic systems in 1977, commercial systems have been using multimode fibers (MMF) for short reach applications as the preferred medium of transmission due to their ... -
Characterization and modeling of hot carrier degradation in silicon-germanium HBTs
(Georgia Institute of Technology, 2015-04-24)This thesis describes the characterization and modeling of various hot carrier degradation mechanisms in silicon-germanium heterojunction bipolar transistors. An analysis of measured stress data and TCAD simulations for a ... -
Wearable sensing modalities for a neck-based health monitoring system
(Georgia Institute of Technology, 2015-01-09)Advances in modern medicine have led to a decline of deaths among youth populations by introducing immunizations and effective treatments for infectious diseases which had previously resulted in high mortality rates. This ... -
Harnessing nonlinear dynamics for applications in high speed information processing
(Georgia Institute of Technology, 2018-07-31)External-cavity lasers (ECLs) are characterized by nonlinear dynamics created when a laser is subjected to optical feedback from a distant reflector. ECLs were studied using comprehensive experiments by simultaneously ... -
On-chip label-free biomolecular capturing and detection using integrated optical micro-resonators
(Georgia Institute of Technology, 2018-07-31)The objective of this research is to investigate and demonstrate compact lab-on-a-chip (LOC) sensor for the post translational modification (PTM) profiling of the proteins used as biomarkers, for early cancer detection. ... -
Distribution system service restoration by dynamic programming considering switch characteristics
(Georgia Institute of Technology, 2018-07-31)The objective of the proposed research is to develop a systematic approach of finding the optimal switching sequence leading to optimal post-fault topology in distribution system restoration (DSR) problem. The purpose of ... -
Instigating chiral-selective nonlinear optical phenomena in metamaterials
(Georgia Institute of Technology, 2018-08-01)As naturally occurring chiral materials demonstrate limited circularly dichroic contrast, enhancement of these polarization dependent signals has been the focus of chiral metamaterial research. By manipulating the geometric ... -
Energy efficient, secure and noise robust deep learning for the internet of things
(Georgia Institute of Technology, 2018-07-31)The objective of this research is to design an energy efficient, secure and noise robust deep learning system for the Internet of Things (IoTs). The research particularly focuses on energy efficient training of deep ... -
Metalorganic chemical vapor deposition growth development for ultraviolet vertical cavity surface emitting lasers
(Georgia Institute of Technology, 2018-07-24)This thesis describes the development of III--nitride materials for ultraviolet (UV) vertical-cavity surface-emitting lasers or VCSELs. The goal of this research is to develop UV VCSELs targeting a peak emission wavelength ... -
A Low-cost and flexible platform for global asset monitoring
Conventional approaches to asset monitoring involve high-priced sensors paired with a dedicated radio. These implementations work well when dealing with high-valued property but are not economically viable when the value ... -
Efficient delivery of multimedia content over multipath networks
(Georgia Institute of Technology, 2018-07-10)The objective of the proposed research is to develop a unique approach to efficiently deliver high-quality multimedia data by leveraging concepts from various multipath networking models in conjunction with ABR protocols ... -
Discriminative and adaptive training for robust speech recognition and understanding
(Georgia Institute of Technology, 2018-07-25)Robust automatic speech recognition (ASR) and understanding (ASU) under various conditions remains to be a challenging problem even with the advances of deep learning. To achieve robust ASU, two discriminative training ... -
Algorithms for molecular communication networks
(Georgia Institute of Technology, 2018-06-22)Bio-sensors are becoming an integral part of our everyday life, implicitly and explicitly. The natural sensing mechanism and advancements in synthetic biology has made bacteria as potential candidates for building bio-sensors. ... -
Intermittent dynamics of an external-cavity semiconductor laser
(Georgia Institute of Technology, 2018-07-25)The main objective in this thesis is to investigate experimentally nonlinear dynamical behaviors of an external-cavity semiconductor laser (ECSL) when it is subjected to time- delayed optical feedback with various operating ... -
The development of MEMS based biodegradable strain sensors and energy sources for monitoring bone healing
(Georgia Institute of Technology, 2018-05-21)A sensor that lasts forever is not always desirable. In recent years, the field of biodegradable electronics has developed to dually address transient disease states and to minimize environmental waste. This presentation ... -
Coordinated management of the processor and memory for optimizing energy efficiency
(Georgia Institute of Technology, 2018-05-17)Energy efficiency is a key design goal for future computing systems. With diverse components interacting with each other on the System-on-Chip (SoC), dynamically managing performance, energy and temperature is a challenge ... -
Near-data processing for dynamic graph analytics
(Georgia Institute of Technology, 2018-05-22)Massive data rates in cybersecurity, simulation, and social media analysis applications are driving rapid advances in the field of streaming graph analytics. The data structures that enable streaming graph analytics pose ... -
Computational seismic interpretation using geometric representation and tensor-based texture analysis
(Georgia Institute of Technology, 2018-05-18)In hydrocarbon exploration, seismic interpretation is a process that infers geological information from processed seismic data. With the dramatically growing sizes of collected seismic data, manual interpretation has become ... -
Uncertainty estimation of visual attention models using spatiotemporal analysis
(Georgia Institute of Technology, 2018-05-11)In this dissertation, we analyze eye tracking data and video content to discover general patterns of human visual attention that can be used for estimating the reliability or the confidence of video saliency maps that are ...
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