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Area of Science:

  • Quantum optics
  • Nanophotonics
  • Condensed matter physics

Background:

  • Long-range dipole-dipole interactions (DDIs) are fundamentally dependent on the dimensionality of the system.
  • Understanding and controlling the effective dimensionality of quantum emitters is crucial for manipulating their interactions.

Purpose of the Study:

  • To investigate how resonant nanophotonic structures influence the apparent dimensionality of interacting quantum emitters.
  • To explore the role of DDIs in modifying dimensionality within engineered environments.

Main Methods:

  • Experimental measurements of population decay dynamics in a dense ensemble of quantum emitters.
  • Utilizing a resonant nanophotonic structure to modify the electromagnetic environment.
  • Analyzing decay dynamics to determine the effective dimensionality (d[over ¯]).

Main Results:

  • A resonant nanophotonic structure effectively reduced the apparent dimensionality of emitters to d[over ¯]=2.20(12).
  • This dimensionality reduction was observed despite the emitters being distributed in a 3D space.
  • In a homogeneous environment, the apparent dimension remained d[over ¯]=3.00, confirming the structure's influence.

Conclusions:

  • Resonant nanophotonic structures can successfully alter the effective dimensionality of interacting quantum emitter ensembles.
  • This provides a novel method for controlling long-range DDIs and emitter dynamics.
  • The findings open new possibilities for manipulating quantum phenomena in engineered optical environments.