Simple source for large linear cluster photonic states

Y. Pilnyak, N. Aharon, D. Istrati, E. Megidish, A. Retzker, H. S. Eisenberg

Research output: Contribution to journalArticlepeer-review

Abstract

The experimental realization of many-body entangled states is one of the main goals of quantum technology as these states are a key resource for quantum computation and quantum sensing. However, increasing the number of photons in an entangled state has been proved to be a painstakingly hard task. This is a result of the nondeterministic emission of current photon sources and the distinguishability between photons from different sources. Moreover, the generation rate and the complexity of the optical setups hinder scalability. Here we present a scheme that is compact, requires a very modest number of components, and avoids the distinguishability issues by using only one single-photon source. States of any number of photons are generated with the same configuration, with no need for increasing the optical setup. The basic operation of this scheme is experimentally demonstrated, and its sensitivity to imperfections is considered.

Original languageAmerican English
Article number022304
JournalPhysical Review A
Volume95
Issue number2
DOIs
StatePublished - 3 Feb 2017

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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