Special topic on non-classical light emitters and single-photon detectors

Year: 2022

Authors: Becher C., Hofling S., Liu J., Michler P., Pernice W., Toninelli C.

Autors Affiliation: Univ Saarland, Fachrichtung Phys, Campus E2 6, D-66123 Saarbucken, Germany; Phys Inst, Tech Phys, D-97074 Wurzburg, Germany; Wilhelm Conrad Rontgen Res Ctr Complex Mat Syst, D-97074 Wurzburg, Germany; Sun Yat Sen Univ, Sch Phys, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Peoples R China; Univ Stuttgart, Inst Halbleiteropt & Funkt Grenzflachen IHFG, Ctr Integrated Quantum Sci & Technol IQST, D-70569 Stuttgart, Germany; Univ Stuttgart, SCoPE, D-70569 Stuttgart, Germany; Heidelberg Univ, Kirchhoff Inst Phys, D-69120 Heidelberg, Germany; Univ Munster, Inst Phys, D-48149 Munster, Germany; CNR INO, Via Nello Carrara 1, I-50019 Sesto Fiorentino, Italy; European Lab Nonlinear Spect LENS, Via Nello Carrara 1, I-50019 Sesto Fiorentino, Italy

Abstract: The goal of this Special Topic is to provide new insights in the physics of single quantum emitters and single-photon detectors and their possible use for quantum photonic applications. The perspective article of Vural and others discusses the challenges for multi-source quantum implementations based on self-assembled InGaAs quantum dots. Decoherence and spectral diffusion processes in quantum dots, which limit the photon indistinguishability, are considered in their article. In their article, Anderson and others have investigated the noise sources that affect InAs/InP quantum dots emitting in the telecom C-band by comparing their behavior on a wetting layer for Stranski-Krastanov grown quantum dots with a nearly wetting layer-free environment achieved with the droplet epitaxy growth mode. They show that the droplet epitaxy growth mode is beneficial for a low-noise environment, which is a pre-condition for the generation of highly coherent photons.


Volume: 120 (1)      Pages from: 010401-1  to: 010401-4

KeyWords: tunable quantum-dot; emission; band
DOI: 10.1063/5.0078886