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Storing light for 1.5 seconds

DEC 22, 2009
Physics Today
Science News : A cloud of ultracold atoms can store a beam of yellow light for 1.5 seconds, says a new paper by researchers led by Lene Hau of Harvard University .The new study is “a beautiful demonstration,” says Irina Novikova, a physicist at the College of William & Mary in Williamsburg, Virginia. Before this result, she says, light storage was measured in milliseconds. “Here, it’s fractional seconds. It’s a really dramatic time.” Related Link Creation of long-term coherent optical memory via controlled nonlinear interactions in Bose–Einstein condensates
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