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Physical Measurement Laboratory /Quantum Measurement Division

Quantum Optics Group

Our group studies and develops techniques relying on quantum optics and quantum optics-based components for new measurement capability, improved metrological accuracy, and quantum information applications.

Two photon light created by parametric down conversion

Two Photon Light
optomechanics

Optomechanics

News and Updates

anyon teaser image

Anyone for Anyons?

Researchers have demonstrated that a strange type of quantum particle called the anyon, believed to exist in only two dimensions, can also be created in one
regular graph state illustration

Partially Unraveling an Entangled Mystery

Entanglement—a uniquely quantum phenomenon that intimately links the fate of subatomic particles even if they reside on opposite sides of the galaxy—is a key
NIST chip containing a single-photon detector made of superconducting nanowires. Four chips like this were used in the experiment that entangled three photons.

Unity in the Photon Community

The creation and detection of single photons (the smallest units of light) has grown in a few decades from an experimental laboratory pursuit to an important

Projects and Programs

joint quantum institute

Applications of Quantum Information

Ongoing
Human-scale physical phenomenon represent the emergent, complex behavior of simple, microscopic laws. In the past twenty years, improved understanding of these microscopic laws have suggested that typical large-scale systems — those used in modern day technology from transistors to mechanical

Light-matter interactions in Semiconductor Nanostructures

Ongoing
We investigate the interaction of light with semiconductor-based nanostructures. We extend concepts of entanglement and coherence in atomic physics to our solid-state systems. Our devices are based on semiconductors, like GaAs. We use InAs quantum dots (QDs) in GaAs as artificial atoms; they have
rare earth ions in a host crystal

Memory

Ongoing
While photonic systems offer very robust qbits and are excellent for transporting quantum information between locations due to their minimal interactions with their environment, they are inconvenient for the storage of quantum information in one place. As a result there is significant interest in

Publications

Mechanical Sensors for Planck-scale Dark Matter Searches via Long-range Forces

Author(s)
Jacob Taylor, Juehang Qin, Dorian Amaral, sunil bhave, Erqian Cai, Daniel Carney, Raphael Lang, Shengchao Li, Claire Marvinney, Alberto Marino, Jared Newton, Christopher Tunnell
Dark matter candidates with masses around the Planck-scale are theoretically well-motivated and have been the subject of numerous studies; it has also been

Software

Awards

Contacts

Group Leader