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Updated: May 21, 2026

Fabrication and Operation of a Nano-Optical Conveyor Belt
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Coherent perfect nanoabsorbers based on negative refraction.

Vasily Klimov1, Shulin Sun, Guang-Yu Guo

  • 1P. N. Lebedev Physical Institute, Russian Academy of Sciences, 119991 Moscow, Russia. vklim@sci.lebedev.ru

Optics Express
|June 21, 2012
PubMed
Summary

We introduce coherent perfect nanoabsorbers (CPNAs) for divergent beams using negative refraction materials. This breakthrough enables nanoscale radiation focusing for advanced optical nanodevices and quantum computation applications.

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Area of Science:

  • * Physics, Optics, Nanotechnology
  • * Quantum Information Science

Background:

  • * The development of efficient nanoscale optical devices is crucial for advanced technologies.
  • * Coherent perfect absorption offers a pathway to control light-matter interactions at the nanoscale.

Purpose of the Study:

  • * To propose a novel concept for coherent perfect nanoabsorbers (CPNAs) capable of handling divergent beams.
  • * To explore the application of negative refraction materials in designing these nanoabsorbers.
  • * To demonstrate the potential of CPNAs in nanoscale focusing for optical nanodevices and quantum computation.

Main Methods:

  • * Analytical dipole model analyses.
  • * Numerical simulations.
  • * Utilizing properties of slabs with negative refraction and minimal losses.

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Last Updated: May 21, 2026

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Published on: August 26, 2015

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Main Results:

  • * A viable concept for coherent perfect nanoabsorbers (CPNAs) for divergent beams was established.
  • * The proposed CPNA design facilitates the focusing of radiation into nanoscale regions.
  • * The theoretical framework supports the practical implementation of CPNA devices.

Conclusions:

  • * Coherent perfect nanoabsorbers represent a significant advancement in nanoscale light manipulation.
  • * The proposed CPNA concept, leveraging negative refraction, offers a promising solution for optical nanodevices.
  • * CPNAs could be instrumental in reading quantum computation results based on single photon qubits.