F. J. Duarte

Research Physicist, Interferometric Optics

F. J. Duarte is a research physicist at Interferometric Optics (Jonesborough, TN), an Optica Fellow (1993), and a Fellow of the Australian Institute of Physics (1987).

Simplified visible optical version of the quantum entanglement diagram disclosed by Pryce and Ward in 1947.
Science & Research

Quantum entanglement free of paradoxes

Dec. 1, 2022
While the well-known philosophical path toward quantum entanglement is conceptually attractive, it is fraught with hidden variable theories and paradoxes.
Lasers & Sources

More history on laser guide star emission

Sept. 14, 2016
I read with interest the July 2016 article on sodium guide star lasers at the ESO Very Large Telescope in Northern Chile.
Satellite-to-satellite secure interferometric communications could enable simpler, smaller, and less expensive communications systems.

Interferometry: Quantum entanglement physics secures space-to-space interferometric communications

April 8, 2015
Interferometric optical communications can potentially lead to robust, secure, and naturally encrypted long-distance laser communications in space by taking advantage of the underlying...