Gary R. Lander
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View article: Segregation of Chromium and Titanium in Sapphire Optical Fiber Grown via the Laser-Heated Pedestal Growth Technique
Segregation of Chromium and Titanium in Sapphire Optical Fiber Grown via the Laser-Heated Pedestal Growth Technique Open
Our research involves growth of single crystal (SC) optical fibers to be used for sensing applications in harsh environments. Silica optical fibers are an affordable and reliable option for a wide variety of applications including optical …
View article: Quantum Sensing for Energy Applications
Quantum Sensing for Energy Applications Open
Quantum sensing is creating potentially transformative opportunities to exploit intricate quantum mechanical phenomena in new ways to make ultrasensitive measurements of multiple parameters. A growing interest in quantum sensing has create…
View article: Functionalization of nitrogen vacancy-containing nanodiamonds with a metal-organic framework for quantum sensing applications
Functionalization of nitrogen vacancy-containing nanodiamonds with a metal-organic framework for quantum sensing applications Open
Nitrogen vacancy (NV)-containing nanodiamonds (NDs) are an important material in applications such as biological imaging, catalysis, and, in particular, quantum sensing. Careful manipulation of the surface coating on NV NDs is essential fo…
View article: Quantum for Energy Systems and Technologies
Quantum for Energy Systems and Technologies Open
Quantum information science (QIS) is creating a transformative opportunity to improve processes for energy production, distribution, and consumption. In this presentation, we will show the works that are currently pursued into two major di…
View article: Magnetic field sensing via optically detected magnetic resonance and spin relaxometry using nitrogen vacancies in nanodiamonds
Magnetic field sensing via optically detected magnetic resonance and spin relaxometry using nitrogen vacancies in nanodiamonds Open
Quantum sensing is broadly defined as the use of quantum materials, quantum coherence, and/or quantum entanglement to measure physical quantities and/or to enhance the sensitivity of classical analytical measurements. Certain materials exh…
View article: Dopant segregation in single-crystal optical fiber grown via the laser-heated pedestal growth technique
Dopant segregation in single-crystal optical fiber grown via the laser-heated pedestal growth technique Open
Single crystal (SC) optical fiber has promising potential to be used for optical fiber sensing applications in harsh conditions due to its robustness to high temperature, high radioactivity, and resistance to chemical corrosion as compared…
View article: Fiber-based distributed hydrogen measurement at high temperatures
Fiber-based distributed hydrogen measurement at high temperatures Open
In this work, we discuss the implementation of evanescent field optical fiber sensors for distributed gas sensing of H2, focusing on results using a Ni / Gd-doped CeO2 nanocomposite sensing material for detection of low levels of H2 (0-4%)…
View article: Sensing at the Nanoscale Using Nitrogen-Vacancy Centers in Diamond: A Model for a Quantum Pressure Sensor
Sensing at the Nanoscale Using Nitrogen-Vacancy Centers in Diamond: A Model for a Quantum Pressure Sensor Open
The sensing of stress under harsh environmental conditions with high resolution has critical importance for a range of applications including earth’s subsurface scanning, geological CO2 storage monitoring, and mineral and resource recovery…
View article: Complete Stokes vector analysis with a compact, portable rotating waveplate polarimeter
Complete Stokes vector analysis with a compact, portable rotating waveplate polarimeter Open
Accurate calibration of polarization-dependent optical elements is often necessary in optics experiments. A versatile polarimeter device to measure the polarization state of light is a valuable tool in these experiments. Here, we report a …
View article: Complete Stokes vector analysis with a compact, portable rotating waveplate polarimeter
Complete Stokes vector analysis with a compact, portable rotating waveplate polarimeter Open
Accurate calibration of polarization dependent optical elements is often necessary in optical experiments. A versatile polarimeter device to measure the polarization state of light is a valuable tool in these experiments. Here we report a …
View article: Charging dynamics of single InAs quantum dots under both resonant and above-band excitation
Charging dynamics of single InAs quantum dots under both resonant and above-band excitation Open
We investigate the charging dynamics in epitaxially grown InAs quantum dots under resonant excitation with and without additional low-power above-band excitation. Time-resolved resonance fluorescence from a charged exciton (trion) transiti…
View article: Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection Open
The ability to perform simultaneous resonant excitation and fluorescence detection is important for quantum optical measurements of quantum dots (QDs). Resonant excitation without fluorescence detection - for example, a differential transm…
View article: Polarization-Dependent Interference of Coherent Scattering from Orthogonal Dipole Moments of a Resonantly Excited Quantum Dot
Polarization-Dependent Interference of Coherent Scattering from Orthogonal Dipole Moments of a Resonantly Excited Quantum Dot Open
Resonant photoluminescence excitation (RPLE) spectra of a neutral InGaAs quantum dot show unconventional line shapes that depend on the detection polarization. We characterize this phenomenon by performing polarization-dependent RPLE measu…
View article: Polarization-dependent interference between dipole moments of a resonantly excited quantum dot
Polarization-dependent interference between dipole moments of a resonantly excited quantum dot Open
Resonant photoluminescence excitation (RPLE) spectra of a neutral InGaAs quantum dot show an unconventional line-shape that depends on the detection polarization. We characterize this phenomenon by performing polarization-dependent RPLE me…