Superbunched Radiation of a Tunnel Junction due to Charge Quantization,Physical Review Letters

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Superbunched Radiation of a Tunnel Junction due to Charge Quantization
Physical Review Letters ( IF 8.1 ) Pub Date : 2024-09-10 , DOI: 10.1103/physrevlett.133.116301
Steven Kim ₁ , Fabian Hassler ₁

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A chaotic light source is characterized by the fact that many independent emitters radiate photons with a random optical phase. This is similar compared to a tunnel junction where many independent channels are able to emit photons due to a coupling to an electromagnetic environment. However, in a recent experiment it has been observed that a tunnel junction can deviate from the expectation of chaotic light and is able to emit strongly correlated, superbunched photons. Motivated by this, we study the correlation of the radiation and show that the superbunching originates from the emission of multiple photons which is possible due to the quantization of charge.

中文翻译：

电荷量子化导致隧道结的超聚束辐射

混沌光源的特点是许多独立的发射器辐射具有随机光学相位的光子。这与隧道结类似，其中许多独立通道由于与电磁环境的耦合而能够发射光子。然而，在最近的实验中观察到隧道结可以偏离混沌光的预期，并且能够发射强相关的超聚束光子。受此启发，我们研究了辐射的相关性，并表明超聚束源自多个光子的发射，这由于电荷的量子化而成为可能。

更新日期：2024-09-11

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