Kai‐Mei C. Fu

Bounds on saddle connections for flat spheres

Kai‐Mei C. Fu, Guillaume Tahar

Abstract We consider a flat metric with conical singularities on the sphere. Under the assumption that no partial sum of angle defects is equal to , we draw on the geometry of immersed disks to obtain an explicit upper bound on the …

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Graduate Training in Quantum Information Science and Engineering: Lessons, Challenges, and a Roadmap from the NSF Research Traineeship Programs

Yohannes Abate, Victor Acosta, Alessandro Alabastri, Mehmet Aydeniz et autres

Since 2019, eighteen NSF Research Traineeship (NRT) awards in quantum information science and engineering (QISE) and adjacent fields have been funded, constituting the largest NSF-coordinated investment in graduate QISE training in the United States. Synthesizing lessons from our programs, we work through …

Graduate Training in Quantum Information Science and Engineering: Lessons, Challenges, and a Roadmap from the NSF Research Traineeship Programs

Yohannes Abate, Victor Acosta, Alessandro Alabastri, Mehmet Aydeniz et autres

Since 2019, eighteen NSF Research Traineeship (NRT) awards in quantum information science and engineering (QISE) and adjacent fields have been funded, constituting the largest NSF-coordinated investment in graduate QISE training in the United States. Synthesizing lessons from our programs, we work through …

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Spectroscopy of point defects in semiconductors

Matthew D. McCluskey, Michael A. Reshchikov, Hemant Ghadi, Joe F. McGlone et autres

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Magnetic Microscopy of Skyrmions in Magnetic Thin Films with Chiral Overlayers

Buddhika Hondamuni, Theo Balland, Fabian Kammerbauer, Ashish Moharana et autres

Topologically nontrivial magnetic textures such as skyrmions offer promising opportunities for spintronic applications. In recent years, it has been shown that the magnetic properties of layered materials can be affected by depositing chiral molecules on the surface, while the influence of chiral …

Magnetic Microscopy of Skyrmions in Magnetic Thin Films with Chiral Overlayers

Buddhika Hondamuni, Theo Balland, Fabian Kammerbauer, Ashish Moharana et autres

Topologically nontrivial magnetic textures such as skyrmions offer promising opportunities for spintronic applications. In recent years, it has been shown that the magnetic properties of layered materials can be affected by depositing chiral molecules on the surface, while the influence of chiral …

Deep Spin Defects in Zinc Oxide for High-Fidelity Single-Shot Readout

Shimin Zhang, Erik Perez, T. K. PARK, Kejun Li et autres

Wide-band gap oxides such as Zn O are favorable hosts for spin defect qubits due to their dilute nuclear spin background and potential for ultrahigh purity. Yet, a deep-level defect qubit with robust optical and spin properties has not been identified in …

Identification of the I$_{10}$ Donor in ZnO as a Sn--Li Complex with Large Hyperfine Interaction

Xingyi Wang, Sai Mu, Jeong Rae Kim, Ethan R. Hansen et autres

Donor impurities in wide direct band gap semiconductors provide a promising platform for spin--photon quantum technologies by combining a donor spin qubit with optically addressable transitions. In ZnO, the shallow donor with the largest reported binding energy has long been associated with …

Identification of the I$_{10}$ Donor in ZnO as a Sn--Li Complex with Large Hyperfine Interaction

Xingyi Wang, Sai Mu, Jeong Rae Kim, Ethan R. Hansen et autres

Donor impurities in wide direct band gap semiconductors provide a promising platform for spin--photon quantum technologies by combining a donor spin qubit with optically addressable transitions. In ZnO, the shallow donor with the largest reported binding energy has long been associated with …

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Polydopamine-Ag engineered BaTiO₃ core-double-shells nanohybrids in PDMS composites for synergistically enhanced triboelectric output and antibiosis in self-sustaining wearables

Haiyan Fu, Lei Liu, Wei Liu, Zuchang Long et autres

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Deterministic Printing of Single Quantum Dots

Gregory G. Guymon, Hao Nguyen, David Sharp, Tommy Nguyen et autres

Abstract The unique optical properties of quantum dots (QDs), size‐tunable emission, and high quantum yield make them ideal candidates for applications in secure quantum communication, quantum computing, targeted single‐cell and molecular tagging, and sensing. Scalable and deterministic heterointegration strategies for single QDs …

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Intermodal microwave-to-optical transduction using silicon-on-sapphire optomechanical ring resonator

I-Tung Chen, Nicholas Yama, Haoqin Deng, Qixuan Lin et autres

Optomechanical and electro-optomechanical systems have emerged as one of the most promising approaches for quantum microwave-to-optical transduction to interconnect distributed quantum modalities for scaling the quantum systems. These systems use suspended structures to increase mode overlap and mitigate loss to achieve high …

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