Journal ArticleDOI
Diffraction analysis of dielectric surface-relief gratings
M. G. Moharam,Thomas K. Gaylord +1 more
TLDR
In this article, a dielectric surface-relief grating is analyzed using rigorous coupled-wave theory and the analysis applies to arbitrary grating profiles, groove depths, angles of incidence, and wavelengths.Abstract:
Diffraction by a dielectric surface-relief grating is analyzed using rigorous coupled-wave theory. The analysis applies to arbitrary grating profiles, groove depths, angles of incidence, and wavelengths. Example results for a wide range of groove depths are presented for sinusoidal, square-wave, triangular, and sawtooth gratings. Diffraction efficiencies obtained from the present method of analysis are compared with previously published numerical results. To obtain large diffraction efficiencies (greater than 85%) for gratings with typical substrate permittivities, it is shown that the grating profile should possess even symmetry.read more
Citations
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Proceedings ArticleDOI
Analysis of near-field effects in artificial dielectric structures using rigorous coupled-wave analysis
TL;DR: In this paper, the authors developed a new method which extends the capabilities of rigorous coupled-wave analysis (RCWA) to compute the internal (in addition to the external) fields of an AD with quasimonochromatic or ultrashort pulse illumination.
Journal ArticleDOI
Photonic Band Gaps for Surface Plasmon Modes in Dielectric Gratings on a Flat Metal Surface
TL;DR: For dielectric gratings on a flat metal surface, photonic band gaps created by Brags scattering of surface plasmon polaritons are observed in this article, and the observation result that directly images this gap is compared with that predicted by a numerical model based on a plane wave expansion.
Journal ArticleDOI
Alignment and fabrication tolerances of planar gratings for board-to-board optical interconnects.
Kasra Rastani,William M. Hubbard +1 more
TL;DR: The use of diffraction gratings to trap optical beams in substrates for optical interconnect applications is proposed and the alignment and fabrication tolerances of such gratings are analyzed to make them viable for such applications.
reconstruction of volume holographic gratings: a comparison of experiment and theories.
TL;DR: In this paper, light optical diffraction experiments on a nanoparticle-polymer volume holographic grating in an angular range including far off-Bragg replay were performed to determine the coupling strength and grating thickness.
Journal ArticleDOI
Optical microstructure fabrication using structured polarized illumination.
Jonas Strobelt,Daniel Stolz,Maximilian Leven,Matthew Van Soelen,Luke Kurlandski,Heba Abourahma,David J. McGee +6 more
TL;DR: In this article , the photomechanical response of supramolecular azopolymers with structured polarized illumination from a high resolution spatial light modulator is demonstrated by combining the surface microstructures.
References
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Journal ArticleDOI
Rigorous coupled-wave analysis of planar-grating diffraction
M. G. Moharam,Thomas K. Gaylord +1 more
TL;DR: In this article, a rigorous coupled-wave approach is used to analyze diffraction by general planar gratings bounded by two different media, and the analysis is based on a state-variables representation and results in a unifying, easily computer-implementable matrix formulation.
Journal ArticleDOI
Theory of Periodic Dielect Waveguides
TL;DR: In this paper, the propagation of electromagnetic waves along open periodic, dielectric waveguides is formulated as a rigorous and exact boundary-value problem, and the characteristic field solutions are shown to be of the surface-wave or leaky-wave type, depending on the ratio of periodicity to wavelength (d/lambda).
Journal ArticleDOI
Analysis and Design of Grating Couplers
Theodor Tamir,S. T. Peng +1 more
TL;DR: In this paper, simple design criteria for grating couplers which transfer the energy of a beam into or out of an optical waveguide are developed based on an accurate perturbation analysis of the guiding properties of dielectric gratings.
Journal ArticleDOI
Rigorous diffraction theory for transmission phase gratings with deep rectangular grooves
TL;DR: In this article, the diffraction of light by deep rectangular-groove transmission phase gratings is treated by solving Maxwell's equations numerically, and results are given for the light diffracted into the zero order by gratings with grating constants d in the range λ < d < 5λ, aspect ratio b (= linewidth/d), 0 < b < 1, and grating depths a < 5 λ, assuming a refractive index n 0 = 1.
Journal ArticleDOI
Analysis of grating-coupled radiation in GaAs:GaAlAs lasers and waveguides - I
TL;DR: In this paper, a general formulation for arbitrary-shaped gratings which need not be small in size was developed for radiated power from traveling waves as a function of grating tooth height, tooth width, refractive index, waveguide thickness, and period.