Enhanced coherence of rare-earth nuclear spins in a crystal
Bassam Nima, Yuiki Takahashi, Amar Vutha
Abstract
Rare-earth ions in crystals are useful in precision measurements and quantum information science because of their exceptional optical and spin coherence properties. We show that the nuclear spin coherence time of 153Eu3+ ions doped into yttrium orthosilicate can be significantly enhanced by driving the 89Y nuclear spins in the host crystal. This improvement in spin coherence time opens up ways to improve the precision of measurements using rare-earth-doped crystals.
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