Atomistic Compositional Details and Their Importance for Spin Qubits in Isotope‐Purified Silicon Quantum Wells
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Science"
DOI: 10.1002/advs.202407442
Abstract: Understanding crystal characteristics down to the atomistic level increasingly emerges as a crucial insight for creating solid state platforms for qubits with reproducible and homogeneous properties. Here, isotope concentration depth profiles in a SiGe/28Si/SiGe heterostructure… read more here.
Keywords: mathrm; sige 28si; umu mathrm; spin ... See more keywords
Structural Effects on the Spin Dynamics of Potential Molecular Qubits.
Sign Up to like & getrecommendations! Published in 2018 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.7b02616
Abstract: Control of spin-lattice magnetic relaxation is crucial to observe long quantum coherence in spin systems at reasonable temperatures. Such a control is most often extremely difficult to achieve, because of the coexistence of several relaxation… read more here.
Keywords: quantum coherence; relaxation; spin; spectroscopy ... See more keywords
Electronic Spin Qubit Candidates Arrayed within Layered Two-Dimensional Polymers.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c11784
Abstract: Molecular electronic spin qubits are promising candidates for quantum information science applications because they can be reliably produced and engineered via chemical design. Embedding electronic spin qubits within two-dimensional polymers (2DPs) offers the possibility to… read more here.
Keywords: two dimensional; qubit; electronic spin; dimensional polymers ... See more keywords
Two-qubit sweet spots for capacitively coupled exchange-only spin qubits
Sign Up to like & getrecommendations! Published in 2021 at "npj Quantum Information"
DOI: 10.1038/s41534-021-00449-4
Abstract: The implementation of high fidelity two-qubit gates is a bottleneck in the progress toward universal quantum computation in semiconductor quantum dot qubits. We study capacitive coupling between two triple quantum dot spin qubits encoded in… read more here.
Keywords: sweet spots; qubit sweet; two qubit; exchange ... See more keywords
Template-directed 2D nanopatterning of S = 1/2 molecular spins.
Sign Up to like & getrecommendations! Published in 2023 at "Nanoscale horizons"
DOI: 10.1039/d2nh00375a
Abstract: Molecular spins are emerging platforms for quantum information processing. By chemically tuning their molecular structure, it is possible to prepare a robust environment for electron spins and drive the assembly of a large number of… read more here.
Keywords: directed nanopatterning; molecular spins; vopc spin; spin ... See more keywords
Developing silicon carbide for quantum spintronics
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0004454
Abstract: In current long-distance communications, classical information carried by large numbers of particles is intrinsically robust to some transmission losses but can, therefore, be eavesdropped without notice. On the other hand, quantum communications can provide provable… read more here.
Keywords: quantum; silicon carbide; quantum repeaters; developing silicon ... See more keywords
Slit-loaded coplanar waveguide for color-center spin qubits
Sign Up to like & getrecommendations! Published in 2025 at "Physical Review Applied"
DOI: 10.1103/4yky-99vk
Abstract: The spin qubits of color centers are extensively investigated for quantum sensing, communication, and information processing, with their states generally controlled using lasers and microwaves. However, it is challenging to effectively irradiate both lasers and… read more here.
Keywords: coplanar waveguide; color center; color centers; color ... See more keywords
Ballast Charges for Semiconductor Spin Qubits.
Sign Up to like & getrecommendations! Published in 2024 at "Physical review letters"
DOI: 10.1103/81qt-48bl
Abstract: Semiconductor spin qubits are an attractive platform for quantum computing, but their performance is degraded primarily by fluctuating electromagnetic environments. We introduce the concept of ballast charges, which are induced charges on the surface of… read more here.
Keywords: semiconductor spin; charges semiconductor; ballast charges; spin qubits ... See more keywords
Quantum optimal control robust to 1/fα noises using fractional calculus: Voltage-controlled exchange in semiconductor spin qubits
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review A"
DOI: 10.1103/physreva.110.l040602
Abstract: Low-frequency $1/f^\alpha$ charge noise significantly hinders the performance of voltage-controlled spin qubits in quantum dots. Here, we utilize fractional calculus to design voltage control pulses yielding the highest average fidelities for noisy quantum gate operations.… read more here.
Keywords: control; fractional calculus; exchange; voltage ... See more keywords
Short two-qubit pulse sequences for exchange-only spin qubits in two-dimensional layouts
Sign Up to like & getrecommendations! Published in 2025 at "Physical Review A"
DOI: 10.1103/physreva.111.052616
Abstract: Exchange-only (EO) spin qubits in quantum dots offer an expansive design landscape for engineering scalable device layouts. The study of two-EO-qubit operations, which involve six electrons in six quantum dots, has so far been limited… read more here.
Keywords: spin qubits; two qubit; pulse sequences; exchange spin ... See more keywords
Protocol for a resonantly driven three-qubit Toffoli gate with silicon spin qubits
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.085419
Abstract: The three-qubit Toffoli gate plays an important role in quantum error correction and complex quantum algorithms such as Shor's factoring algorithm, motivating the search for efficient implementations of this gate. Here we introduce a Toffoli… read more here.
Keywords: toffoli gate; gate; qubit; three qubit ... See more keywords