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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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Updated: Jan 18, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs

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Published on: June 8, 2018

On-Chip Emitter-Coupled Meta-Optics for Versatile Photon Sources.

Sören Im Sande¹, Yinhui Kan¹, Danylo Komisar¹

¹University of Southern Denmark, Centre for Nano Optics, Campusvej 55, Odense M DK-5230, Denmark.

Physical Review Letters

|September 10, 2025

Summary

This summary is machine-generated.

Researchers developed on-chip meta-optics to precisely control quantum emitters (QEs). This innovation enables on-demand, versatile photon sources with tailored polarization and directionality for quantum information technologies.

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Area of Science:

Nanophotonics
Quantum Information Technologies
Metaphotonics

Background:

Controlling spontaneous emission from quantum emitters (QEs) is vital for advanced photon sources.
Existing methods for shaping photon emission are often bulky or lack precise control over polarization and directionality.

Purpose of the Study:

To propose a universal approach for designing versatile, on-demand photon sources using integrated meta-optics.
To enable precise engineering of photon properties like polarization, directionality, and amplitude.

Main Methods:

Utilizing on-chip quantum emitter-coupled meta-optics.
Transforming quantum emitter-excited surface plasmon polaritons into propagating photons.
Employing resonance and geometric phases from scattering meta-atoms.

Main Results:

Demonstrated independent control over polarization states, directionality, and relative amplitudes of photon emission.
Successfully engineered single and multiple radiation channels for photon emission.
Showcased the capability to tailor photon properties to specific technological needs.

Conclusions:

The developed universal approach represents a significant advancement in creating versatile quantum sources.
Integrated photon sources with superior properties are highlighted for classical and quantum information technologies.
This work paves the way for on-demand, tailored photon sources.