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Directional subradiance from helical-phase-imprinted multiphoton states.

¹Institute of Physics, Academia Sinica, Taipei, 11529, Taiwan. sappyjen@gmail.com.

Scientific Reports

|May 10, 2018

Summary

This summary is machine-generated.

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We explore how multiphoton states with orbital angular momentum (OAM) scatter light. Subradiant states exhibit directional or transverse scattering, controllable by atomic arrangement for quantum applications.

Area of Science:

Quantum optics
Atomic physics
Many-body physics

Background:

Super- and subradiant states arise from cooperative effects in atomic ensembles.
Orbital angular momentum (OAM) enables structured light-matter interactions.
Multiphoton excitations offer pathways to complex quantum states.

Purpose of the Study:

To theoretically investigate the far-field scattering properties of multiphoton super- and subradiant states.
To explore the influence of atomic spatial arrangement on scattering patterns.
To assess the potential for quantum storage and information manipulation.

Main Methods:

Theoretical modeling of multiphoton excitation.
Analysis of far-field scattering patterns resulting from quantum interference.

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Simulation of various atomic configurations (stacked and concentric rings).

Main Results:

Subradiant states show directional or transverse scattering dependent on atom number and arrangement.
Multiphoton interference dictates the far-field emission characteristics.
Stacked rings enhance directional scattering, while concentric rings smooth emission.

Conclusions:

Atomic spatial design allows tailoring of cooperative quantum states and their emission.
The findings provide insights into preparing many-body subradiant states.
This work has potential applications in quantum storage of OAM multiphotons and light collection.