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Recent advances on single photon sources based on single colloidal nanocrystals

机译：基于单胶体纳米晶体的单光子源的最新进展

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摘要

Single colloidal quantum dots (QDs) are increasingly exploited as triggered sources of single photons. This review reports on recent results on single photon sources (SPS) based on colloidal quantum dots, whose size, shape and optical properties can be finely tuned by wet chemistry approach. First, we address the optical properties of different colloidal nanocrystals, such as dots, rods and dot in rods and their use as single photon sources will be discussed. Then, we describe different tech niques for isolation and positioning single QDs, a major issue for fabrication of single photon sources, and various ap proaches for the embedding single nanocrystals inside microcavities. The insertion of single colloidal QDs in quantum con fined optical systems allows one to improve their overall optical properties and performances in terms of efficiency, directionality, life time, and polarization control. Finally, electrical pumping of colloidal nanocrystals light emitting devices and of NCbased single photon sources is reviewed.
机译：单胶体量子点（QD）被越来越多地用作单光子的触发源。这篇综述报告了基于胶体量子点的单光子源（SPS）的最新结果，其大小，形状和光学特性可以通过湿化学方法进行精细调整。首先，我们讨论了不同胶体纳米晶体的光学特性，例如点，棒和棒中的点，并将讨论它们作为单光子源的用途。然后，我们描述了隔离和定位单个QD的不同技术，制造单个光子源的主要问题以及将单个纳米晶体嵌入微腔体内的各种方法。在量子限制光学系统中插入单个胶体QD可以提高效率，方向性，寿命和偏振控制方面的整体光学特性和性能。最后，回顾了胶体纳米晶体发光器件和基于NC的单光子源的电泵浦。

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