Alec M. Skipper
YOU?
Author Swipe
View article: Improving optical coupling in monolithically integrated lasers on silicon by selective area growth
Improving optical coupling in monolithically integrated lasers on silicon by selective area growth Open
The direct growth of III-V lasers on silicon has the potential to allow for low-cost production of silicon photonic integrated circuits on a 300 mm wafer-scale. However, coupling loss severely limits the performance in current implementati…
View article: Nanoscale electrical conductance and leakage currents in etched and selective-area regrown GaAs pn junctions
Nanoscale electrical conductance and leakage currents in etched and selective-area regrown GaAs pn junctions Open
Analysis and mitigation of junction leakage currents are central to the engineering of vertical semiconductor diode structures. We have used scanning capacitance microscopy and conductive atomic force microscopy to characterize, with nanos…
View article: Heteroepitaxial growth of highly anisotropic $Sb_{2}Se_{3}$ films on GaAs
Heteroepitaxial growth of highly anisotropic $Sb_{2}Se_{3}$ films on GaAs Open
The epitaxial integration of anisotropic materials with mainstream cubic semiconductors opens new routes to advanced electronic and photonic devices with directional properties. In this work, we synthesize heteroepitaxial thin films of ort…
View article: Improving Optical Coupling in Monolithically Integrated Lasers on Silicon by Selective Area Growth
Improving Optical Coupling in Monolithically Integrated Lasers on Silicon by Selective Area Growth Open
The direct growth of III-V lasers on silicon has the potential to allow for low-cost production of silicon photonic integrated circuits on a 300 mm wafer-scale. However, coupling loss severely limits the performance in current implementati…
View article: Impact of Pocket Geometry on Quantum Dot Lasers Grown on Silicon Wafers
Impact of Pocket Geometry on Quantum Dot Lasers Grown on Silicon Wafers Open
Epitaxially grown quantum dot (QD) lasers in narrow pockets on patterned silicon photonics wafers present a key step toward full monolithic integration of on‐chip light sources. However, InAs QD lasers grown in deep and narrow pockets demo…
View article: Tuning Multipolar Mie Scattering of Particles on a Dielectric-Covered Mirror
Tuning Multipolar Mie Scattering of Particles on a Dielectric-Covered Mirror Open
Optically resonant particles are key building blocks of many nanophotonic devices such as optical antennas and metasurfaces. Because the functionalities of such devices are largely determined by the optical properties of individual resonat…
View article: Photon-trapping-enhanced avalanche photodiodes for mid-infrared applications
Photon-trapping-enhanced avalanche photodiodes for mid-infrared applications Open
The fast development of mid-wave infrared photonics has increased the demand for high-performance photodetectors that operate in this spectral range. However, the signal-to-noise ratio, regarded as a primary figure of merit for mid-wave in…
View article: Low index channels embedded in III-V semiconductors
Low index channels embedded in III-V semiconductors Open
Low index materials integrated with high-quality epitaxial semiconductors have wide ranging potential applications, including high-contrast photonics, gas sensing, and opto-fluidics. For example, encapsulated air gratings can be exploited …