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Quantum Optics Group

Two photon light created by parametric down conversion

The Quantum Optics Group 

  • carries out experimental and theoretical studies of quantum optics phenomena resulting from linear and nonlinear optical processes
  • develops techniques for the production and detection of nonclassical states for light
  • develops techniques relying on quantum optics and quantum optics-based components for new measurement capability, improved metrological accuracy, and quantum information applications.


Sources, detectors and metrology—We develop and learn how to characterize non-classical sources and single-photon detectors. It turns out that detectors of single photons cannot be merely characterized by detection efficiency, so …

Single-photon Measurements—We use single-photons and/or single-photon detectors to aid different precision measurements and to improve accuracy.

Quantum Biophotonics—Faint light detection is a staple in biology- used from systems biology research to bioassays for biomanufacturing and healthcare diagnostics.

Memory—Critical to quantum information applications is the need to store a quantum state while other qbits are created or processed.

Universal Quantum Bus—If quantum computers are ever to be realized, they likely will be made of different types of parts that will need to share information with one another, just like the memory and logic circuits in …

Applications of Quantum Information—Theory is being developed and used to devise methods for preserving and exploiting the quantum behavior of ever-larger systems for metrology, communication, and information processing.


General Information:

Quantum Optics Group:
Alan Migdall, Group Leader
301-975-2331 Telephone

Gail Griffin-Ferris, Group Secretary
301-975-5112 Telephone

100 Bureau Drive, M/S 8410
Gaithersburg, MD 20899-8410