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Super-resolution Fluorescence Microscopy

Super-resolution Fluorescence Microscopy

Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...

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相关实验视频

Updated: Jun 12, 2025

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

从单个嵌入式量子发射器中增强光子外的Mie元表面.

Samuel Prescott¹, Prasad P Iyer^2,3, Sadhvikas Addamane^2,3

¹Electronic and Electrical Engineering, University College London, London, WC1E 7JE, UK.

Nanophotonics (Berlin, Germany)

|June 5, 2025

概括

Mie的超表面将从量子发射器 (QE) 的单光子外增强十倍以上. 这种高效的偏振选择性平台改善了用于量子信息处理的光子采集,而无需精确的QE对齐.

关键词:

这就是 Mie 共振器.metasurface 地表的表面是什么一个量子点,一个量子点.量子发射器是一个量子发射器.量子信息是一种量子信息.一个单一的光子源.

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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

相关实验视频

Last Updated: Jun 12, 2025

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

科学领域:

量子光学就是一个量子光学.
纳米光子学纳米光子学
固态物理固态物理

背景情况:

固态量子发射器 (QE) 对于量子信息处理至关重要,产生单个光子.
然而,QEs的方向性和极化定义差,导致显著的光子损失.
在量子技术中,有效地将光子从量子实验中脱离是量子技术的一个重大挑战.

研究的目的:

提出和数值评估Mie超表面设计,用于从嵌入式,随机定位的QE中增强光子外.
调查Mie超表面对光子外联效率和光子损失的影响.
探索电偶极模式在实现偏振选择性外的作用.

主要方法:

数字评估Mie地表设计的数字评估.
从嵌入式和随机定位的量子发射器中模拟光子外.
分析用于极化控制的电二极极模式.

主要成果:

在光子外联中,Mie元表面在光子外联中实现了超过一个数量级的增强.
光子损失最小化到只有几个百分比.
增强可以在没有严格对准QE位置或影响内在QE排放率 (Purcell增强) 的情况下实现.
电偶极模式允许选择性外用于特定的偏振,包括外平面发射.

结论:

Mie超表面提供了一种有效的解决方案,可以将光子从固态量子发射器中脱离.
拟议的设计为量子应用提供偏振选择性控制和可扩展性.
这个平台显著减少了光子损失,并提高了量子信息处理的性能.