Phase estimation in an SU(1,1) interferometer with displaced squeezed states
Document Type
Article
Publication Date
10-15-2018
Abstract
In this paper, we study the phase sensitivity of an SU(1,1) interferometer with coherent and displaced-squeezed-vacuum (DSV) states as inputs, and parity and on-off as detection strategies. Our scheme with parity is sub-shotnoise limited and approaches the Heisenberg limit with increasing squeezing strength of the optical parametric amplifier (OPA). Also, for the on-off detection scheme, we show that sub-shotnoise sensitivity is possible by increasing the squeezing strength of the OPA.
Publication Source (Journal or Book title)
OSA Continuum
First Page
438
Last Page
450
Recommended Citation
Adhikari, S., Bhusal, N., You, C., Lee, H., & Dowling, J. (2018). Phase estimation in an SU(1,1) interferometer with displaced squeezed states. OSA Continuum, 1 (2), 438-450. https://doi.org/10.1364/OSAC.1.000438