Deterministic local doubling of W states
Tarih
2016Yazar
Tame, Mark
Bugu, Sinan
Ozdemir, Sahin Kaya
ÖZAYDIN, FATİH
ALTINTAŞ, AZMİ ALİ
Yang, Lan
Yesilyurt, Can
Üst veri
Tüm öğe kaydını gösterÖzet
In large quantum systems, multipartite entanglement can be found in many inequivalent classes. Preparing states of arbitrary size in different classes is important for performing a wide range of quantum protocols. W states, in particular, constitute a class with a variety of quantum networking protocols. However, all known schemes for preparing polarization encoded photonic W states are probabilistic, with resource requirements increasing at least sub-exponentially. We propose a deterministic scheme for preparing W states of size of any power of 2, which requires no prior entanglement and can be performed locally. We introduce an all-optical setup that can efficiently double the size of W states of arbitrary size. Our scheme advances the use of W states in real-world quantum networks and could be extended to other physical systems. (C) 2016 Optical Society of America
Koleksiyonlar
- Makale [92797]