Slowed light breaks record
Geplaatst op 16 december 2009 - 10:07
Kilometre-long pulses of light have been stored for over one second in a millimetre-sized cloud of ultracold atoms – before being revived and sent on their way. This latest demonstration of light storage using electromagnetically induced transparency (EIT) is the first to break the second barrier – using ultracold atoms and has the added bonus of preserving the quantum state of the incoming pulse. The physicists in the US who carried out the experiment say that the work could play a key role in quantum information technology
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