Quantum Theory of Superresolution for Two Incoherent Optical Point Sources

Mankei Tsang, Ranjith Nair, and Xiao-Ming Lu, Physical Review X 6, 031033 (2016) [Open Access]

“Tsang and his colleagues have provided a new perspective on the utility of quantum metrology, and they have reminded us that even in observational astronomy—one of the oldest branches of science—there are (sometimes) still new things to be learned, at the most basic level.”

—Gabriel Durkin, Viewpoint in APS Physics (2016)

“Seth Lloyd of the Massachusetts Institute of Technology in the US is impressed. ‘This is awesome work and I am amazed that it hasn’t been done before,’ he says. ‘Perhaps everyone thought it was too good to be true.’”

—quoted by Edwin Cartlidge, IoP Physics World (2016)

“Through this work we can learn more about our surroundings, both by looking outward and by looking inward. The technique Tsang’s team developed could also be applied to improving how well a microscope resolves fluorescent samples like biological molecules, drugs, or toxins. As both scales of this work moves forward, it reminds us that light is not only a tool for exploration, but also a rich source of information to explore.”

—Kendra Redmond, APS Physics Buzz (2016)

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