Abstract
Single molecules of polyaromatic hydrocarbons (PAH) in suitable host matrices are known for emitting with high quantum efficiency in very narrow and stable zero-phonon lines (ZPL) [1]. For our experiments we used dibenzotherrylene (DBT) molecule inserted as impurity in anthracene (Ac) nanocrystals, dispersed on a gold substrate and cooled down to 3 K in a closed-cycle cryostat. DBT in Ac features a single-photon dipole-allowed transition around 784 nm. Each molecule is namely identical but environmental conditions like local trapped charges or crystal strain can shift the frequency of its transition in a range of approximately 1 nm [2]. Those static differences alongside any instantaneous interaction with the environment can degrade the ability of the emitted photons to undergo two-photon interference (TPI).
© 2023 IEEE
PDF ArticleMore Like This
Pietro Lombardi, Ramin Emadi, Rocco Duquennoy, Ghiilam Murtaza, Maja Colautti, and Costanza Toninelli
Tu2B.3 Quantum Information and Measurement (QIM) 2021
Maja Colautti, Rocco Duquennoy, Ramin Emadi, Prosenjit Majumder, Pietro Lombardi, Vincenzo Berardi, Ilaria Gianani, Marco Barbieri, and Costanza Toninelli
FF2C.1 CLEO: Fundamental Science (CLEO:FS) 2023
Costanza Toninelli
QW4C.2 Quantum 2.0 (QUANTUM) 2023