TY - JOUR AU - Justin Bohnet AU - Kevin Cox AU - Matthew Norcia AU - J. Weiner AU - Z. Chen AU - James Thompson BT - Nature Photonics DA - 2014-07 DO - 10.1038/nphoton.2014.151 PY - 2014 T2 - Nature Photonics TI - Reduced spin measurement back-action for a phase sensitivity ten times beyond the standard quantum limit UR - http://www.nature.com/doifinder/10.1038/nphoton.2014.151 SN - 1749-4885 ER -