David Reens
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View article: Optical Atomic Clock Interrogation Via an Integrated Spiral Cavity Laser
Optical Atomic Clock Interrogation Via an Integrated Spiral Cavity Laser Open
Optical atomic clocks have demonstrated revolutionary advances in precision timekeeping, but their applicability to the real world is critically dependent on whether such clocks can operate outside a laboratory setting. The challenge to cl…
View article: Experimental quantum channel discrimination using metastable states of a trapped ion
Experimental quantum channel discrimination using metastable states of a trapped ion Open
We present experimental demonstrations of accurate and unambiguous single-shot discrimination between three quantum channels using a single trapped $^{40}\text{Ca}^{+}$ ion. The three channels cannot be distinguished unambiguously using re…
View article: High-Fidelity Ion State Detection Using Trap-Integrated Avalanche Photodiodes
High-Fidelity Ion State Detection Using Trap-Integrated Avalanche Photodiodes Open
Integrated technologies greatly enhance the prospects for practical quantum information processing and sensing devices based on trapped ions. High-speed and high-fidelity ion state readout is critical for any such application. Integrated d…
View article: High-Fidelity Ion State Detection Using Trap-Integrated Avalanche Photodiodes
High-Fidelity Ion State Detection Using Trap-Integrated Avalanche Photodiodes Open
Integrated technologies greatly enhance the prospects for practical quantum information processing and sensing devices based on trapped ions. High-speed and high-fidelity ion state readout is critical for any such application. Integrated d…
View article: Detection and manipulation of the transverse motion of neutral molecules in a Stark decelerator
Detection and manipulation of the transverse motion of neutral molecules in a Stark decelerator Open
By enabling precise control over longitudinal velocity of neutral molecules, Stark deceleration has become an important tool for studying cold molecular collisions. However, the information about transverse motion is often hard to extract …
View article: A Brillouin Laser Optical Atomic Clock
A Brillouin Laser Optical Atomic Clock Open
Over the last decade, optical atomic clocks have surpassed their microwave counterparts and now offer the ability to measure time with an increase in precision of two orders of magnitude or more. This performance increase is compelling not…
View article: Integrated optical control and enhanced coherence of ion qubits via multi-wavelength photonics
Integrated optical control and enhanced coherence of ion qubits via multi-wavelength photonics Open
Monolithic integration of control technologies for atomic systems presents a promising route to the development of quantum computers and portable quantum sensors. Trapped atomic ions form the basis of high-fidelity quantum information proc…
A cell-based infection assay identifies efflux pump modulators that reduce bacterial intracellular load Open
Bacterial efflux pumps transport small molecules from the cytoplasm or periplasm outside the cell. Efflux pump activity is typically increased in multi-drug resistant (MDR) pathogens; chemicals that inhibit efflux pumps may have potential …
View article: Controlling spin flips of molecules in an electromagnetic trap
Controlling spin flips of molecules in an electromagnetic trap Open
Doubly dipolar molecules exhibit complex internal spin-dynamics when electric and magnetic fields are both applied. Near magnetic trap minima, these spin-dynamics lead to enhancements in Majorana spin-flip transitions by many orders of mag…