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Open AccessCavity-enhanced single artificial atoms in silicon
Artificial atoms in solids are leading candidates for quantum networks, scalable quantum computing, and sensing, as they combine long-lived spins with mobile photonic qubits. Recently, silicon has emerged as a...
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Article
Heterogeneous integration of spin–photon interfaces with a CMOS platform
Colour centres in diamond have emerged as a leading solid-state platform for advancing quantum technologies, satisfying the DiVincenzo criteria1 and recently achieving quantum advantage in secret key distribution
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Open AccessAn optoacoustic field-programmable perceptron for recurrent neural networks
Recurrent neural networks (RNNs) can process contextual information such as time series signals and language. But their tracking of internal states is a limiting factor, motivating research on analog implement...
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Article
Engineering colloidal semiconductor nanocrystals for quantum information processing
Quantum information processing—which relies on spin defects or single-photon emission—has shown quantum advantage in proof-of-principle experiments including microscopic imaging of electromagnetic fields, stra...
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Open AccessA diamond nanophotonic interface with an optically accessible deterministic electronuclear spin register
A contemporary challenge for the scalability of quantum networks is develo** quantum nodes with simultaneous high photonic efficiency and long-lived qubits. Here we present a fibre-packaged nanophotonic diam...
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Open AccessSynchronous micromechanically resonant programmable photonic circuits
Programmable photonic integrated circuits (PICs) are emerging as powerful tools for control of light, with applications in quantum information processing, optical range finding, and artificial intelligence. Lo...
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Article
Open AccessDirect imaging of electron density with a scanning transmission electron microscope
Recent studies of secondary electron (SE) emission in scanning transmission electron microscopes suggest that material’s properties such as electrical conductivity, connectivity, and work function can be probe...
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Article
Open AccessResource-efficient simulation of noisy quantum circuits and application to network-enabled QRAM optimization
Giovannetti, Lloyd, and Maccone (2008) proposed a quantum random access memory (QRAM) architecture to retrieve arbitrary superpositions of N (quantum) memory cells via quantum switches and
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Article
Deep learning with coherent VCSEL neural networks
Deep neural networks (DNNs) are resha** the field of information processing. With the exponential growth of these DNNs challenging existing computing hardware, optical neural networks (ONNs) have recently em...
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Open AccessUltrastrong magnetic light-matter interaction with cavity mode engineering
Magnetic interaction between photons and dipoles is essential in electronics, sensing, spectroscopy, and quantum computing. However, its weak strength often requires resonators to confine and store the photons...
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Open AccessProgrammable photonic integrated meshes for modular generation of optical entanglement links
Large-scale generation of quantum entanglement between individually controllable qubits is at the core of quantum computing, communications, and sensing. Modular architectures of remotely-connected quantum tec...
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Open AccessIndividually addressable and spectrally programmable artificial atoms in silicon photonics
A central goal for quantum technologies is to develop platforms for precise and scalable control of individually addressable artificial atoms with efficient optical interfaces. Color centers in silicon, such a...
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Article
Open AccessUltra-low loss quantum photonic circuits integrated with single quantum emitters
The scaling of many photonic quantum information processing systems is ultimately limited by the flux of quantum light throughout an integrated photonic circuit. Source brightness and waveguide loss set basic ...
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Open AccessAsymptotically fault-tolerant programmable photonics
Component errors limit the scaling of programmable coherent photonic circuits. These errors arise because the standard tunable photonic coupler—the Mach-Zehnder interferometer (MZI)—cannot be perfectly program...
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Article
Open AccessWaveguide-integrated mid-infrared photodetection using graphene on a scalable chalcogenide glass platform
The development of compact and fieldable mid-infrared (mid-IR) spectroscopy devices represents a critical challenge for distributed sensing with applications from gas leak detection to environmental monitoring...
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Open AccessA quantum router architecture for high-fidelity entanglement flows in quantum networks
The past decade has seen tremendous progress in experimentally realizing the building blocks of quantum repeaters. Repeater architectures with multiplexed quantum memories have been proposed to increase entang...
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Open AccessEntanglement generation in a quantum network at distance-independent rate
We develop a protocol for entanglement generation in the quantum internet that allows a repeater node to use n-qubit Greenberger-Horne-Zeilinger (GHZ) projective measurements that can fuse n successfully entangle...
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Article
The potential and global outlook of integrated photonics for quantum technologies
Integrated quantum photonics uses classical integrated photonic technologies and devices for quantum applications. As in classical photonics, chip-scale integration has become critical for scaling up and trans...
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Open AccessHigh-speed programmable photonic circuits in a cryogenically compatible, visible–near-infrared 200 mm CMOS architecture
Recent advances in photonic integrated circuits have enabled a new generation of programmable Mach–Zehnder meshes (MZMs) realized by using cascaded Mach–Zehnder interferometers capable of universal linear-opti...
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Open AccessA phononic interface between a superconducting quantum processor and quantum networked spin memories
We introduce a method for high-fidelity quantum state transduction between a superconducting microwave qubit and the ground state spin system of a solid-state artificial atom, mediated via an acoustic bus conn...
