Yamamoto, Naoki; Nurdin, Hendra; James, Matthew; Petersen, Ian
In this paper, we consider a linear quantum network composed of two distantly separated cavities that are connected via a one-way optical field. When one of the cavity is damped and the other is undamped, the overall cavity state obtains a large amount of entanglement in its quadratures. This entanglement however immediately decays and vanishes in a finite time. That is, entanglement sudden-death occurs. We show that the proportional measurement feedback method proposed by Wiseman can avoid...[Show more]
Items in Open Research are protected by copyright, with all rights reserved, unless otherwise indicated.