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Near-to-far field transformations for radiative and guided waves

Abstract : Light emitters or scatterers embedded in stratified media may couple energy to both free space and guided modes of the stratified structure. For a thorough analysis of such structures, it is important to evaluate the angular intensity distribution of both the free-space-propagative and guided waves. In this work, we propose an original method based on Lorentz-reciprocity theorem and on the computation of the near-field around the emitters or scatterers, to efficiently calculate the free-space and guided radiation diagrams with a high accuracy. We also provide an open-source code that may be used with virtually any Maxwells solver. The numerical tool may help to engineer various devices, such as light-emitting diodes or nanoantennas to achieve directional and efficient radiative spontaneous decays in free space and guided optics.
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Contributor : Fatima Pereira Connect in order to contact the contributor
Submitted on : Friday, October 14, 2016 - 4:26:05 PM
Last modification on : Saturday, June 25, 2022 - 10:22:00 PM

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Jianji Yang, Jean-Paul Hugonin, Philippe Lalanne. Near-to-far field transformations for radiative and guided waves. ACS photonics, American Chemical Society,, 2016, 3 (3), pp.395-402. ⟨10.1021/acsphotonics.5b00559⟩. ⟨hal-01381759⟩



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