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Photoluminescence: Applications

Photoluminescence: Applications

Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...

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Related Experiment Video

Updated: Jun 19, 2026

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

Quantum-dot-based deterministic photon-emitter interfaces for scalable photonic quantum technology.

Ravitej Uppu^1,2, Leonardo Midolo¹, Xiaoyan Zhou¹

¹Center for Hybrid Quantum Networks (Hy-Q), Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark.

Nature Nanotechnology

|October 19, 2021

Summary

This summary is machine-generated.

Scaling up quantum technology relies on photonics. This review highlights quantum dot devices for deterministic photon-emitter interfaces, enabling scalable quantum computing and communication with a genuine quantum advantage.

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Last Updated: Jun 19, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

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Published on: April 4, 2017

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Area of Science:

Quantum technology
Integrated photonics
Quantum information science

Background:

Scaling quantum hardware is crucial for unlocking quantum technology's potential.
Photonics offers a modular approach, with challenges in building-block quality and module interfacing.
Integrated photonics foundry technology enables complex, small-footprint quantum processors.

Purpose of the Study:

To review the physics of deterministic photon-emitter interfaces using quantum dot devices.
To present essential photonic building blocks for quantum hardware scale-up.
To discuss quantitative performance benchmarks for quantum photonic resources.

Main Methods:

Focusing on quantum dot devices as a model system for photon-emitter interfaces.
Analyzing the physics of deterministic interfaces and photonic components.
Extending the presented methods to other quantum emitter platforms like atoms and superconducting qubits.

Main Results:

Demonstration of solid-state quantum emitters enabling deterministic photon-emitter interfaces.
Development of key quantum photonic resources: on-demand entanglement sources and photon-photon gates.
Identification of applications in quantum communication and computing.

Conclusions:

Quantum dot devices provide a viable route for scalable quantum photonic processors.
The presented methods are applicable across various quantum emitter platforms.
Photonics offers a pathway to achieving a genuine quantum advantage in computation and communication.