van der Sar, Toeno
Casola, Francesco
Walsworth, Ronald
Yacoby, Amir
Article History
Received: 29 October 2014
Accepted: 23 June 2015
First Online: 7 August 2015
Change Date: 7 October 2015
Change Type: Update
Change Details: The original version of this Article contained an error in the phrase 'single electron spins' in the title. This has now been corrected in both the PDF and HTML versions of the Article
Competing interests
: The authors declare no competing financial interests.