Single-Photon Source in a Topological Cavity

被引：6

作者：

Jurkat, Jonathan ^{[1
,2
]}

Klembt, Sebastian ^{[1
,2
]}

De Gregorio, Marco ^{[1
,2
]}

Meinecke, Moritz ^{[1
,2
]}

Buchinger, Quirin ^{[1
,2
]}

Harder, Tristan H. ^{[1
,2
]}

Beierlein, Johannes ^{[1
,2
]}

Egorov, Oleg A. ^{[3
]}

Emmerling, Monika ^{[1
,2
]}

Krause, Constantin ^{[1
,2
]}

Schneider, Christian ^{[4
]}

Huber-Loyola, Tobias ^{[1
,2
]}

Hoefling, Sven ^{[1
,2
]}

机构：

[1] Univ Wurzburg, Phys Inst, Tech Phys, D-97074 Wurzburg, Germany

[2] Univ Wurzburg, Wurzburg Dresden Cluster Excellence Ct Qmat, D-97074 Wurzburg, Germany

[3] Friedrich Schiller Univ Jena, Inst Condensed Matter Theory & Opt, D-07743 Jena, Germany

[4] Carl von Ossietzky Univ Oldenburg, Inst Phys, D-26129 Oldenburg, Germany

来源：

NANO LETTERS | 2023年 / 23卷 / 03期

关键词：

topological cavity; quantum electrodynamics; quantum dots; Purcell effect; Su-Schrieffer-Heeger model;

D O I：

10.1021/acs.nanolett.2c03693

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The introduction of topological physics into the field of photonics has led to the development of photonic devices endowed with robustness against structural disorder. While a range of platforms have been successfully implemented demonstrating topological protection of light in the classical domain, the implementation of quantum light sources in photonic devices harnessing topologically nontrivial resonances is largely unexplored. Here, we demonstrate a single photon source based on a single semiconductor quantum dot coupled to a topologically nontrivial Su-Schrieffer-Heeger (SSH) cavity mode. We provide an in-depth study of Purcell enhancement for this topological quantum light source and demonstrate its emission of nonclassical light on demand. Our approach is a promising step toward the application of topological cavities in quantum photonics.

引用

页码：820 / 826

页数：7

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