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HL: Fachverband Halbleiterphysik
HL 13: Poster Session III
HL 13.13: Poster
Dienstag, 28. September 2021, 13:30–16:30, P
Validity of the Siegert relation in partially-coherent regimes — •Monty Drechsler, Frederik Lohof, and Christopher Gies — Institute for Theoretical Physics, University of Bremen, Bremen, Germany
With increasing miniaturization of coherent light sources to the diffraction limit and below, their emission properties change and new effects appear. Therefore, a description in the context of quantum optics is required. An objective in studying such nano light sources is their classification. In this context, the investigation of the statistical nature of photon correlations plays a major role. We are able to access information about photon correlations quantified by g(1)(τ) and g(2)(τ) using a master-equation or a cluster-expansion approach. We discuss the temporal behavior of these correlation functions in different device regimes from the quantum limit of a single emitter to larger systems. When combining the theoretical prediction with experiments we are confronted with the limited time resolution of detectors used in the measurement of correlations function. To treat this issue, a generalized Siegert relation has been used previously [1][2]. Here, we quantify when such an approach is justified.
[1] Kreinberg et al., Light Sci Appl 6, e17030 (2017)
[2] Kreinberg et al., Laser & Photonics Reviews 14, Nr. 12, 2000065 (2020)