308 citations · 930 across the 11 of their papers we have counts for
12 papers
Grating design methodology for tailored free-space beam-forming
Gillenhaal J. Beck, Jonathan P. Home, Karan K. Mehta
We present a design methodology for free-space beam-forming with general profiles from grating couplers which avoids the need for numerical optimization, motivated by applications…
Excitation of forbidden electronic transitions in atoms by Hermite-Gaussian modes
Anton A. Peshkov, Elena Jordan, Markus Kromrey +3
Photoexcitation of trapped ions by Hermite-Gaussian (HG) modes from guided beam structures is proposed and investigated theoretically. In particular, simple analytical expressions…
Control of an atomic quadrupole transition in a phase-stable standing wave
Alfredo Ricci Vasquez, Carmelo Mordini, Chloé Vérnière +6
Using a single calcium ion confined in a surface-electrode trap, we study the interaction of electric quadrupole transitions with a passively phase-stable optical standing wave fie…
Pure circularly polarized light emission from waveguide microring resonators
Leonardo Massai, Tom Schatteburg, Jonathan P. Home +1
Circularly polarized light plays a key role in many applications including spectroscopy, microscopy, and control of atomic systems. Particularly in the latter, high polarization pu…
Optimization and implementation of a surface-electrode ion trap junction
Chi Zhang, Karan K Mehta, Jonathan P Home
We describe the design of a surface-electrode ion trap junction, which is a key element for large-scale ion trap arrays. A bi-objective optimization method is used for designing th…
Generation of a maximally entangled state using collective optical pumping
M. Malinowski, C. Zhang, V. Negnevitsky +7
We propose and implement a novel scheme for dissipatively pumping two qubits into a singlet Bell state. The method relies on a process of collective optical pumping to an excited l…
Roadmap on Integrated Quantum Photonics
Galan Moody, Volker J. Sorger, Daniel J. Blumenthal +52
Integrated photonics is at the heart of many classical technologies, from optical communications to biosensors, LIDAR, and data center fiber interconnects. There is strong evidence…
Integrated optical multi-ion quantum logic
Karan K. Mehta, Chi Zhang, Maciej Malinowski +3
Practical and useful quantum information processing (QIP) requires significant improvements with respect to current systems, both in error rates of basic operations and in scale. I…
Low-loss integrated photonics for the blue and ultraviolet regime
Gavin N. West, William Loh, Dave Kharas +5
We present a low-loss integrated photonics platform in the visible and near ultraviolet regime. Fully-etched waveguides based on atomic layer deposition (ALD) of aluminum oxide ope…
Precise and diffraction-limited waveguide-to-free-space focusing gratings
Karan K. Mehta, Rajeev J. Ram
We present the design and characterization of waveguide grating devices that couple visible-wavelength light at nm from single-mode, high index-contrast dielectric waveguid…
Integrated optical addressing of an ion qubit
Karan K. Mehta, Colin D. Bruzewicz, Robert McConnell +3
The long coherence times and strong Coulomb interactions afforded by trapped ion qubits have enabled realizations of the necessary primitives for quantum information processing (QI…
Ion traps fabricated in a CMOS foundry
K. K. Mehta, A. M. Eltony, C. D. Bruzewicz +4
We demonstrate trapping in a surface-electrode ion trap fabricated in a 90-nm CMOS (complementary metal-oxide-semiconductor) foundry process utilizing the top metal layer of the pr…