A. R. Wade
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View article: Measurement of thermo-optic and coating Brownian noise in a novel coating design
Measurement of thermo-optic and coating Brownian noise in a novel coating design Open
Current gravitational wave detectors and other high precision instrumentation are limited by the optical quality and thermal noise properties of highly reflective dielectric optical coatings. This study characterizes a custom designed high…
View article: A method to observe field-region oxide charge and inter-electrode isolation from CV-characteristics of n-on-p devices
A method to observe field-region oxide charge and inter-electrode isolation from CV-characteristics of n-on-p devices Open
N -on- p silicon sensors will be utilized in the Compact Muon Solenoid (CMS) detector's tracker and High Granularity Calorimeter (HGCAL) in the High Luminosity upgrade of the Large Hadron Collider (HL-LHC). Among their several advantages i…
View article: Experimental demonstration of the combined arm- and cavity-locking system for LISA
Experimental demonstration of the combined arm- and cavity-locking system for LISA Open
Laser frequency noise suppression is a critical requirement for the Laser Interferometer Space Antenna (LISA) mission to detect gravitational waves. The baseline laser stabilization is achieved using cavity pre-stabilization and a post-pro…
View article: A method to observe field-region oxide charge and inter-electrode isolation from $CV$-characteristics of $n$-on-$p$ devices
A method to observe field-region oxide charge and inter-electrode isolation from $CV$-characteristics of $n$-on-$p$ devices Open
$N$-on-$p$ silicon sensors will be utilized in the Compact Muon Solenoid (CMS) detector's tracker and High Granularity Calorimeter (HGCAL) in the High Luminosity upgrade of the Large Hadron Collider (HL-LHC). Among their several advantages…
View article: Subfemtowatt Laser Phase Tracking
Subfemtowatt Laser Phase Tracking Open
Low power optical phase tracking is an enabling capability for intersatellite laser interferometry, as minimum trackable power places significant constraints on mission design. Through the combination of laser stabilization and control-loo…
View article: Supercell Low-Level Mesocyclones: Origins of Inflow and Vorticity
Supercell Low-Level Mesocyclones: Origins of Inflow and Vorticity Open
The development and intensification of low-level mesocyclones in supercell thunderstorms have often been attributed, at least in part, to augmented streamwise vorticity generated baroclinically in the forward flank of supercells. However, …
View article: Supercell low-level mesocyclones: Origins of inflow and vorticity
Supercell low-level mesocyclones: Origins of inflow and vorticity Open
<p>In this presentation, we will recap the historical use of storm-relative helicity in supercell environments, share updated climatioglical distributions from both the United States and Europe, and use simulations of supercells (des…
View article: Supercell low-level mesocyclones: Origins of inflow and vorticity
Supercell low-level mesocyclones: Origins of inflow and vorticity Open
The development of low-level mesocyclones in supercell thunderstorms has often been explained via the development of storm-generated streamwise vorticity along a baroclinic gradient in the forward flank of supercells. However, the ambient …
View article: &#160;Absolute Laser Frequency Readout of Cavity for Next Generation Geodesy Mission
 Absolute Laser Frequency Readout of Cavity for Next Generation Geodesy Mission Open
<p>We demonstrate the absolute frequency calibration of a laser using a free spectral range cavity readout designed for next generation geodesy missions.</p> <p>The Gravity Recovery and Climate Experiment (GRACE) missions…
View article: Absolute frequency readout derived from ULE cavity for next generation geodesy missions: erratum
Absolute frequency readout derived from ULE cavity for next generation geodesy missions: erratum Open
We found a calculation error affecting the scaling of results presented in Figure 7 of our article "Absolute frequency readout derived from ULE cavity for next generation geodesy missions" [ Opt. Express 29 26014 ( 2021 ) 10.1364/OE.434483…
View article: Absolute Frequency Readout of Cavity against Atomic Reference
Absolute Frequency Readout of Cavity against Atomic Reference Open
Future space-based geodesy missions such as the Mass Change Mission and the Next Generation Gravity Mission are expected to rely on laser ranging as their primary instrument. Short-term laser frequency stability has previously been achieve…
View article: Mirror Coating Thermal Noise Mitigation Using Multi-Spatial Mode Cavity Readout
Mirror Coating Thermal Noise Mitigation Using Multi-Spatial Mode Cavity Readout Open
We present an approach to mitigate coating thermal noise in optical cavities by using multiple TEM spatial modes to readout and stabilize laser frequency. With optimal weightings we synthesize a wider sampling of the mirror surface, improv…
View article: Absolute frequency readout derived from ULE cavity for next generation geodesy missions
Absolute frequency readout derived from ULE cavity for next generation geodesy missions Open
The next generation of Gravity Recovery and Climate Experiment (GRACE)-like dual-satellite geodesy missions proposals will rely on inter-spacecraft laser interferometry as the primary instrument to recover geodesy signals. Laser frequency …
View article: High stability laser locking to an optical cavity using tilt locking
High stability laser locking to an optical cavity using tilt locking Open
This paper describes, to our knowledge, the first demonstration of high performance tilt locking, a method of stabilizing laser frequency to an optical reference cavity using a spatial-mode readout technique. The experiment utilized a trav…
View article: Deposition, diffusion, and nucleation on an interval
Deposition, diffusion, and nucleation on an interval Open
Motivated by nanoscale growth of ultra-thin films, we study a model of deposition, on an interval substrate, of particles that perform Brownian motions until any two meet, when they nucleate to form a static island, which acts as an absorb…
View article: Phase-sensitive optomechanical amplifier for quantum noise reduction in laser interferometers
Phase-sensitive optomechanical amplifier for quantum noise reduction in laser interferometers Open
The sensitivity of future gravitational wave interferometers is expected to be limited throughout the detection band by quantum vacuum fluctuations, which can be reduced by applying quantum optics techniques such as squeezed vacuum injecti…
View article: Optomechanical design and construction of a vacuum-compatible optical parametric oscillator for generation of squeezed light
Optomechanical design and construction of a vacuum-compatible optical parametric oscillator for generation of squeezed light Open
With the recent detection of gravitational waves, non-classical light sources are likely to become an essential element of future detectors engaged in gravitational wave astronomy and cosmology. Operating a squeezed light source under high…
View article: Quantum limited measurements in gravitational wave detectors
Quantum limited measurements in gravitational wave detectors Open
Gravitational waves manifest as a time varying straining of space: they arise from the accelerating motions of large bodies of mass and propagate across the universe at the speed of light as ripples in the fabric of space-time, a fleetingl…
View article: A squeezed light source operated under high vacuum
A squeezed light source operated under high vacuum Open
Non-classical squeezed states of light are becoming increasingly important to a range of metrology and other quantum optics applications in cryptography, quantum computation and biophysics. Applications such as improving the sensitivity of…