We measure mechanical displacements within 35% of the Heisenberg limit, allowing to both track the quantum trajectory of the highly pure (purity 80%) mechanical state conditioned on this measurement, and ground-state cool via quantum feedback.
© 2019 The Author(s)
You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.
Contact your librarian or system administrator
Login to access OSA Member Subscription