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Projects/Programs

Topic Area
Displaying 51 - 75 of 85

Precision Materials for Quantum Devices

Ongoing
MBE System Our fabrication system is composed of ultra-high vacuum (UHV) chambers that support the in-vacuum exchange of 75 mm wafers without exposure to air as seen in Figure 1. These chambers are: (1) a deposition chamber with electron gun deposition, UHV compatible sputter guns, in situ shadow...

Precision Measurement Grants Program

Ongoing
If funding is available, one new grant in the amount of $50,000 per year will be awarded for the initial period of October 1 through September 30 of the following year. The award may be continued for up to two additional years; however, future or continued funding will be at the discretion of NIST...

Precision Spectroscopy and Quantum Control of Trapped Molecular Ions

Ongoing
Spectroscopy and Quantum Control of Molecular Ions Molecules exhibit vibration and rotation of their nuclei, degrees of freedom not present in atoms, and less stringent selection rules for transitions. This creates experimental challenges and great opportunities for exploring new physics. In this...

Quantum anomalous Hall effect Theory

Ongoing
The quantum anomalous Hall effect is a phenomenon in which certain magnetic insulators exhibit a zero-field Hall resistance value, 𝑅 𝐻, that is precisely quantized in terms of fundamental constants of nature: 𝑅 𝐻 = ℎ/𝑛𝑒 2, where ℎ is Planck's constant, 𝑒 is the charge of the electron and 𝑛 is a...

Quantum Bioimaging

Ongoing
Our efforts in BBD are focused on using the quantum nature of light to facilitate enhanced and novel measurement technologies for biological samples. For example, so-called bright squeezed laser sources enable imaging and sensing with less noise than is classically possible. Additionally, entangled...

Quantum Biophotonics

Ongoing
Applying recent advances in single-photon detection along with novel data processing methods developed in the quantum optics community opens fundamentally new opportunities for faint-light metrology down to that related to just a single molecule – i.e. precisely the conditions for bio-optical...

Quantum Communications and Networks

Ongoing
Positions - accepting applications: We are accepting applications for Postdoc and/or Guest Researcher experimental optics positions in the Quantum Communications and Networking Project. US Citizens are strongly recommended to apply. Candidates should have expertise in experimental optics and be...

Quantum Computation and Simulation with Neutral Atoms

Ongoing
Advances in quantum information have the potential to significantly improve sensor technology, complete computational tasks unattainable by classical means, provide understanding of complex many-body systems, and yield new insight regarding the nature of quantum physics. At NIST and around the world...

Quantum Computing with Trapped Ions

Ongoing
Quantum Computing with Trapped Ions We pursue proof-of-concept experiments in quantum information processing and quantum control with trapped ions. In addition to pushing current limits on traditional quantum gate-based architectures for quantum computing we explore alternative approaches to...

Quantum Conductance

Ongoing
The quantum Hall effect (QHE), and devices that exhibit it, will continue to serve as the foundation of the ohm while also expanding its territory into other SI derived units. The world adopted the quantum SI in 2019, and it remains essential that the global metrology community pushes forth and...

Quantum Many-Body Physics, Quantum Optics, and Quantum Information

Ongoing
Differences between typical AMO and condensed matter systems bring with them exciting new physics. In contrast to condensed matter systems, AMO systems are often studied far out of equilibrium, are evolving in time, and are subject to dissipation. As a result, many-body AMO systems open a whole new...

Quantum Networking with Trapped Ions in Optical Cavities

Ongoing
The goal of a quantum network is to establish entanglement as a resource between distant locations. Shared entanglement over long distances may enable distributed quantum computing, quantum-enhanced long-baseline interferometry, the transmission of complex quantum states, or a variety of other...

Quantum Optical Networks

Ongoing
The program's technical research areas are: Architecture research for Quantum Optical Networks and integration with classical networks Management (label, identify, track) and Control Plane (signal and route optical paths) Software Stacks Performance monitoring for end-to-end Quality of Entanglement...

Quantum Physics Theory

Ongoing
The scope of the work ranges from calculations of QED effects in atoms to detailed studies of photon wave functions.

Quantum Simulation and Sensing with Trapped Ion Crystals

Ongoing
Entanglement between individual quantum objects exponentially increases the complexity of quantum many-body systems, so systems with more than 30-40 quantum bits cannot be fully studied using conventional techniques and computers. To make progress at this frontier of physics, we are pursuing Feynman...

Quantum Transducer Characterization and Protocols

Ongoing
Transducer devices which exchange quantum states between GHz-microwave and THz-optical frequencies are a critical element necessary to optically network superconducting quantum computers to allow their computational power to scale beyond the confines of a single cryostat. To preserve quantum states...

Quantum Transducer Design and Fabrication

Ongoing
Quantum transducers are devices which translate quantum states in frequency, whether between different optical frequencies or between disparate microwave and optical frequencies. Microwave-to-optical transducers are the critical technology necessary to optically network superconducting quantum...

Quantum Transport Measurements

Ongoing
It is necessary to isolate, control, and understand the fundamental physics of exotic states of matter to create nanoengineered systems with the requisite quantum properties for quantum information systems and advanced computing applications. We develop measurement capabilities and design test...

Reconditioning of the 4.45 MN deadweight machine

Completed
The 4.45 MN DWM has been in use in the NIST Force Laboratory since 1965 and is frequently characterized as the largest deadweight force standard in the world. Thousands of measurements through many force calibrations have been performed over the lifespan of the machine. The machine was the...

Si-Based Single Spin/Single Photon Measurement, Coherence and Manipulation

Ongoing
Devices based on moving and controlling single electrons offer the tantalizing possibility of achieving quantum information processing by virtue of their spin or charge coherent properties. We are pursuing CMOS-compatible Si-based quantum dots for a variety of goals, including:” Narrowband high-MHz...

Silicon-based single electron current standards

Ongoing
Our devices can manipulate and trap a single electron in a quantum dot through the application of voltages to electrostatically controlled tunnel barriers. By cycling these voltages appropriately, we are able to sequentially pump one electron at a time through the device. To produce a current...

Silicon-based Solid-State Analog Quantum Simulators

Ongoing
Why Atom-based Si AQS Analog quantum simulators are designed quantum systems with a tunable Hamiltonian to emulate complex quantum systems intractable using classical computers due to the exponential growth of the calculations with system size. Simulating strongly interacting fermions (electrons) on...

Single photon measurements: Single Photon Tunneling

Completed
We are studying what happens when a single particle (in this case a photon) crosses a tunneling barrier. This is a particularly interesting question because tunneling is a fundamental distinguishing characteristic of quantum mechanics and it implies remarkable properties such as barrier crossing...

Single Photonics and Quantum Information

Ongoing
One of the activities in this group is the development of single photon technologies for quantum information science and technology. We work closely with the Nanostructure Fabrication and Metrology Project on the generation of novel non-classical states of light and the detection of single photons...
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