A solid-state source of strongly entangled photon pairs with high brightness and indistinguishability.

ABSTRACT: The generation of high-quality entangled photon pairs has been a long-sought goal in modern quantum communication and computation. So far, the most widely used entangled photon pairs have been generated from spontaneous parametric down-conversion (SPDC), a process that is intrinsically probabilistic and thus relegated to a regime of low rates of pair generation. In contrast, semiconductor quantum dots can generate triggered entangled photon pairs through a cascaded radiative decay process and do not suffer from any fundamental trade-off between source brightness and multi-pair generation. However, a source featuring simultaneously high photon extraction efficiency, high degree of entanglement fidelity and photon indistinguishability has been lacking. Here, we present an entangled photon pa

SUBMITTER: Liu J 

PROVIDER: S-EPMC10941235 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature