Teaching and administrative roles involve strategic planning, resource management, consensus building, and program development with a focus on continuous improvement.
As a faculty member, research activities include semiconductor device modeling and fabrication, sensor networks, and energy harvesting. Specific efforts involve the development of high-efficiency mid-infrared lasers, low-noise detectors, and memory devices. Leads a research program staffed with undergraduate and graduate students who investigate and innovate photonic materials and devices.
Specialties: Engineering education; retention strategies for electrical and computer engineering students at both the undergraduate and graduate level; semiconductor device technologies; photonics.
Industry Expertise (3)
Areas of Expertise (5)
Optoelectronics and Photonics
Southeastern Conference Academic Leadership Development Program Fellow
University of Missouri August 2013
Nominated for US Professor of the Year Award (professional)
Professor of the Year Nomination (campus nomination from University of Missouri)
Air Force Office of Scientific Research Young Investigator Program (YIP) Award
Air Force Office of Scientific Research August 2010
Air Force Summer Faculty Fellowship Program
American Society for Engineering Education May 2009
William T. Kemper Fellowship for Teaching Excellence
University of Missouri April 2009
Missouri Honor Award, Junior Faculty Excellence in Teaching (professional)
Target HOPE Mentoring Award (professional)
Office of Naval Research Future Faculty Fellow (professional)
Future Faculty Fellowship
Boeing Graduate Fellowship (professional)
Graduate Fellowship Recipient
Leslie N. Wilson Graduate Fellowship (professional)
Graduate Fellowship Recipient
Georgia Institute of Technology: Ph.D., Electrical and Computer Engineering
Florida State University: M.S., Electrical Engineering
Florida Agricultural and Mechanical University: B.S., Electrical Engineering
- Institute of Electrical and Electronic Engineers
- National Society of Black Engineers
- American Society of Engineering Education
- American Association for the Advancement of Science
- Sigma Xi
- Phi Kappa Phi Honor Society
Event Appearances (3)
VCU School of Engineering Convocation Richmond, VA
Social Justice and Higher Education
Summer Success Institute Hanover, Maryland, USA
Emerging Researchers National Conference 2018
ERN 2018 - Plenary Talk Washington, DC
Research Focus (2)
Design, modeling, and manufacturing of photonic devices
Use of computational tools to control and manipulate atomic layer arrangements in multilayer photonic device structures. Using solid-source molecular beam epitaxy, deposition techniques are employed that enhance or suppress anion/action exchange and enable the control of surface structures.
Pseudomorphic growth of lattice-mismatched structures
Employed surface modifications in-vacuum for the development of heavily strained heterostructures.
Research Grants (14)
IGERT: Neutron Scattering for the Science and Engineering of the 21st Century
National Science Foundation $1,121,574
Electro-Optic Terminal Protection for Radar Systems
High Efficiency MIR Sources using Beam Recycling
Air Force Office of Scientific Research $559,063
Development of Photoconductive Switch
American Advanced Technology $14,970
IED Research (Classified)
Piezoelectric Transformer Based Neutron Generator Development
Neutron generator development
Nonlinear Optoelectronic Devices for MIR Applications
National Science Foundation $81,800
Strained Quantum cascade laser development
IncREaCE: Increasing Retention for Electrical and Computer Engineers
National Science Foundation $519,522
Retention program for electrical and computer engineering students
Development of Infrared Laser Array for Treatment of Spinal Cord Injury (SCI)
University of Missouri System $47,141
Use of photobiomodulation to promote axonal regeneration.
The Development of Infrared Technologies Using Quantum Cascade Lasers
University of Missouri System $30,911
Investigation of strained quantum cascade lasers for mid-infrared photon generation.
Collaborative Research: Facilitating Case Reuse During Problem Solving
National Science Foundation $357,770
Collaboration with School of Education
PTNG Neutron Source for Oil Well Logging,” Amount: $37,646
Los Alamos National Lab $37,646
Development of neutron source
FACES Career Initiation Grant
National Science Foundation (Via Georgia Tech) $20,000
Career initiation grant
Antimony-based Vertical Cavity Surface Emitting Lasers for Mid-Infrared Applications
Universal Technology Corporation $22,400
Research collaboration with WPAFB
Semiconductor Device Theory
Includes derivation of density of states function, application of Fermi distribution functions, metal-semiconductor contact theory; modeling of metal-semiconductor structures, circuit modeling of transistor devices; capacitance-voltage relationships; high power and high speed devices; and device fabrication lectures.
Mid-Infrared Optoelectronic Device
Includes theory of mid-wavelength infrared lasers, mid-wavelength infrared laser design, heterostructure design, band edge and final states optimization, laser performance optimization, electronic and optical properties optimization, diode and vertical cavity surface emitting lasers in the mid-infrared.
Introduction to Optical Electronic
Includes optical properties of II-VI, III-V, and IV semiconductors; quantum band engineering; optical process in dielectric media; light emitting diodes, semiconductor lasers; energy conversion devices; and photodetector technologies.
Semiconductors and Devices
Covers crystal structures; quantum aspects of energy radiation, and matter; quantum mechanics and energy bands in solids using Schrödinger Wave equations; electronic properties of semiconductors; carrier transport phenomena; pn junction diodes; and bipolar junction and field effect transistors.
Professional Development and Responsible Conduct of Research
Professional development course intended for graduate students focuses on the skills needed for successful professional development. Topics include responsible conduct of research, professional and ethical behavior, academic integrity, career paths, effective search strategies, developing professional documents, interview preparation, building a professional network, communicating marketable skills to potential employers, and career planning.
Advanced Semiconductor Devices
Includes topics related to advanced semiconductor devices. Covers device concepts (metal-semiconductor junctions, metal-oxide-semiconductor devices), overview of quantum mechanics and carrier transport (statistics and transport phenomena), and introduces high speed/high power electronic devices including complex field effect transistor designs.
Selected Articles (8)
Effects of Lattice Relaxation on Composition and Morphology in Strained InGaAsSb Epitaxial LayersJournal of Electronic Materials
May 2015, Volume 44, Issue 5, pp 1311-1320.
Orientation-dependent pseudomorphic growth of InAs for use in lattice-mismatched mid-infrared photonic structuresJournal of Vacuum Science & Technology B 32 (2)
Pseudomorphic growth of InAs on misoriented GaAs for extending quantum cascade laser wavelengthJournal of Vacuum Science & Technology A 31 (6)
Sensitivity of Strained and Unstrained Structure Growth on GaAs (111)BJournal of Electronic Materials Vol. 41, Issue 5
(2012), page 959-964.
Reduced auger recombination in mid-infrared semiconductor lasersJournal of Applied Physics
Vol. 110, 073108 (2011).
Charge storage characteristics of ultra-small Pt nanoparticle embedded GaAs based non-volatile memoryApplied Physics Letters
Applied Physics Letters, Volume 99, Issue 7, 072104 (2011).
Strained active regions in gaAs-based quantum cascade lasersIEEE Journal of Quantum Electronics
Vol. 46, No. 12, (2010).
Investigation of the photoluminescence of microporous silicalite-1 (MFI) filmsMicroporous and Mesoporous Materials