Abstract

We present a generalized entangled state that can approach the Heisenberg limit in quantum metrology. We prove the entangled squeezed vacuum state can achieve a higher precision than entangled (squeezed) coherent state and NOON state.

© 2016 Optical Society of America

PDF Article

References

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
or
Login to access OSA Member Subscription