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Schottky Barrier Diode

Schottky Barrier Diode

Schottky barrier diodes are specialized semiconductor devices characterized by their unique construction. This construction involves combining a metal layer with a moderately doped n-type semiconductor material. This combination leads to the formation of a Schottky barrier, a pivotal element that defines the diode's operational characteristics. The core functionality of Schottky barrier diodes is their capacity to allow current to flow in only one direction due to their distinctive...

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相关实验视频

Updated: Jul 23, 2025

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

一个单极量子点二极管结构用于高级量子光源.

Tim Strobel¹, Jonas H Weber¹, Marcel Schmidt²

¹Institut für Halbleiteroptik und Funktionelle Grenzflächen, Center for Integrated Quantum Science and Technology (IQST) and SCoPE, University of Stuttgart, Allmandring 3, 70569 Stuttgart, Germany.

|July 11, 2023

概括

研究人员开发了一种新的二极管结构,用于触发,不可分辨的单个光子. 这一突破推动了量子光子技术的进步,使可调节的高性能量子光源成为可能.

关键词:

在MBE的增长中,MBE的增长是:MOVPE的增长速度是什么充电调调的情况半导体量子点是半导体中的量子点.一个单一的光子.单极二极管是一个单极二极管.

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Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

相关实验视频

Last Updated: Jul 23, 2025

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

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Published on: May 31, 2018

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

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Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

科学领域:

量子光学是一种量子光学.
固态物理固态物理
材料科学材料科学材料科学

背景情况:

无法区分的单个光子对于量子光子技术至关重要.
半导体量子点是有希望的来源,但控制它们的排放特性仍然是一个挑战.

研究的目的:

开发一种新的封闭二极管结构,嵌入半导体量子点,用于可调节的高性能单光子发射.
描述光谱扩大和光子不可区分的时间演变.

主要方法:

制造一种新的n+-i-n++二极管结构,嵌入半导体量子点.
利用光子相关里埃光谱,高分辨率光发光谱和两光子干扰测量.
在时间尺度的六个数量级上研究了直线宽度的时间演变.

主要成果:

实现了没有闪的单光子发射,具有高的两光子不可区分性 (V_TPI,2ns = (85.8 ± 2.2)%,V_TPI,9ns = (78.3 ± 3.0)%).
观测到最小的光谱扩展超出~9 ns,光子线宽度为 (420 ± 30) MHz.
确定大多数脱相机制发生在时间尺度 ≤2 ns.

结论:

封闭式二极管结构允许对量子点的充电状态进行谱调和确定性控制.
无兴奋剂增强载体的移动性,使该设备适合高速,可调节的量子光源.
这项工作为开发先进的量子光子设备提供了途径.