2021
DOI: 10.48550/arxiv.2108.07442
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Optical and Zeeman spectroscopy of individual Er ion pairs in silicon

Guangchong Hu,
Rose L. Ahlefeldt,
Gabriele G. de Boo
et al.

Abstract: We make the first study the optical energy level structure and interactions of pairs of single rare earth ions using a hybrid electro-optical detection method applied to Er-implanted silicon. Two examples of Er 3+ pairs were identified in the optical spectrum by their characteristic energy level splitting patterns, and linear Zeeman spectra were used to characterise the sites. One pair is positively identified as two identical Er 3+ ions in sites of at least C2 symmetry coupled via a large, 200 GHz Ising-like … Show more

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