science1 publisher
Spin rephasing lets an ICFO crystal memory store single photons for 180 microseconds
ICFO physicists used spin rephasing to store single photons in a praseodymium-doped crystal for up to 180 microseconds. The photons stayed quantum-correlated through the wait, which the team equates with more than 30 km of optical fibre.
Publishers:phys.org
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