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Quantum sensor’s advantages survive entanglement breakdown

In the researchers' new system, a returning beam of light is mixed with a locally stored beam, and the correlation of their phase, or period of oscillation, helps remove noise caused by interactions with the environment. Illustration: Jose-Luis Olivares/MIT

Preserving the fragile quantum property known as entanglement isn’t necessary to reap benefits. << more >>

Related Links:

Quantum sensor’s advantages survive entanglement breakdown (MIT News)

Entanglement-Enhanced Sensing in a Lossy and Noisy Environment (Phys. Rev. Lett.)

Professor Jeffrey H. Shapiro

Dr. Franco N.C. Wong

Optical and Quantum Communications Group