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Related Experiment Video

Updated: May 8, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Resonant coupling from a new angle: coherent control through geometry.

N Rotenberg1, D M Beggs, J E Sipe

  • 1Center for Nanophotonics, FOM Institute AMOLF, Science Park 104, 1098 XG Amsterdam, The Netherlands. rotenberg@amolf.nl

Optics Express
|August 14, 2013
PubMed
Summary
This summary is machine-generated.

Scientists control light coupling to guided modes using absorption pathway interference. This plasmonic grating system demonstrates a million-fold energy transfer control, enabling one-way light coupling.

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Area of Science:

  • Optics and Photonics
  • Plasmonics
  • Quantum Coherent Control

Background:

  • Controlling light-matter interactions is crucial for advanced optical devices.
  • Resonant coupling of light to guided modes is fundamental in photonics.
  • Quantum coherent control offers precise manipulation of quantum pathways.

Purpose of the Study:

  • To demonstrate interference of absorption pathways as a method for controlling resonant coupling.
  • To explore the analogy between this control and quantum coherent control or electromagnetically induced transparency.
  • To investigate the potential of such structures as one-way couplers.

Main Methods:

  • Utilizing a plasmonic test system with a tunable phase grating.
  • Analyzing the interference of different absorption pathways.
  • Measuring the energy transfer into surface plasmon polaritons.

Main Results:

  • Demonstrated control over resonant coupling by tuning grating phase.
  • Achieved a >10^6 variation in energy transfer to surface plasmon polaritons.
  • Showcased the potential for creating one-way couplers.

Conclusions:

  • Interference of absorption pathways provides a powerful mechanism for controlling light-guided mode coupling.
  • Plasmonic structures can be engineered for highly efficient, directional light coupling.
  • The underlying physics offers a simple explanation for controlled energy transfer.