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Zero-Index Metamaterials: A New Phase in Integrated Optics
(2018-09-25)
Metamaterials with a refractive index of zero exhibit properties that are important for integrated optics. Possessing an infinite effective wavelength and zero spatial phase change, zero-index metamaterials may be especially ...
Reconfigurable Metasurfaces in the Infrared
(2018-01-19)
Recently there has been great interest in the applications of infrared (IR) light in many areas, including infrared imaging, trace-gas detection, biological and medical sensing, and environmental monitoring. Over the last ...
High-Throughput Genetic Analysis of Single Cells Using Microfluidically Generated Hydrogels
(2018-01-22)
Typical metagenomic datasets characterize populations as a whole by sequencing all the DNA fragments present in a sample, and are therefore unable to identify different genes as having originated from the same cell or ...
Rare-Earth-Doped Lasers on Silicon Photonics Platforms
(2018-08-17)
Laser sources are of great interest due to their wide applications in detection, sensing, communication, material processing and medicine. Silicon photonics is a promising technology which enables these laser devices to ...
Responsive and Dynamic Systems from DNA-Mediated Colloidal Interactions
(2018-09-16)
Grafting DNA oligonucleotides to colloidal particles leads to specific, reversible interactions between those particles. However, these interactions have been used almost exclusively to create non-responsive systems through ...
Atmospheric Pressure Chemical Vapor Deposition of Fluorine-Doped Tin Oxide and Tin-Germanium Oxide: Photovoltaic and Energy Storage Applications
(2018-05-11)
This dissertation addresses renewable energy in two ways: energy storage technology that eases the integration of large-scale wind and solar power into the electric grid, and an earth- abundant solar cell layer intended ...
On the Engineering of Interfaces in Chiral Ferromagnetic Heterostructures
(2018-05-12)
Chiral magnetic thin film heterostructures have been of great interest in recent years for their potential for fast domain wall motion stabilized by an antisymmetric exchange called the Dzyaloshinskii-Moriya interaction ...
An Airborne Infrared Spectrometer for Coronal Observations: Development, Characterization, and First Science Results from the 2017 Solar Eclipse
(2018-09-16)
The solar magnetic field enables the heating of the corona and provides its underlying structure. Energy stored in coronal magnetic fields is released in flares and coronal mass ejections and ultimately drives space weather. ...
Statistical Physics, Evolutionary Dynamics of HIV, and the Adaptive Immune System
(2018-09-16)
Humans and other vertebrate hosts possess an adaptive immune system that defends the host against infection by a plethora of pathogens in a specific, targeted manner. T cells are an important arm of the adaptive immune ...
Microbial Evolutionary Dynamics and Transport on Solid and Liquid Substrates
(2018-05-02)
The interplay between a population's spatial structure and transport can dramatically alter its evolutionary dynamics. In this thesis, we study this interplay by growing microbial range expansions, or microbial colonies ...