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Cours Master 2 : Integrated Photonics and Nanophotonics Devices

Abstract : MODULE: Hybrid integrated photonics & Nanophotonics devices, B. Bêche, Pr. Univ. Rennes IETR CNRS / Elements of course-Chapter =>Chapter I). Introduction to integrated photonics, overview ▪ Materials and technologies, thin-layer processes for the fabrication of such devices, packaging and miniaturization. Examples of thin layers processes for waveguides and structures. =>Chapter II). Theory of electromagnetic waveguides, photonic’s propagation, quantification of the optical modes ▪ Notion of guided modes / radiation modes; geometrical approach of the propagation of guided modes; ray optics and phase shift; Goos-Hänschen shift; effective guide thicknesses. ▪ Fundamentals on the electromagnetic theory of dielectric waveguide (Maxwell’s approach); dispersion relations and calculus of photonic’s modes (eigenvalues and eigenvectors); channel optical waveguides and geometries; dispersion phenomena and pulse’s spread; optical guides with various graded-index profiles; stored energy and power flow; historic methods on the calculus of effective indices (the effective index method, separation of variables and method of field shadows, the Marcatili’s method); extended approaches to another waveguides structures; multilayer slab waveguides and global matrix formalism; finite difference spatial methods (semi-vectorial and vectorial); spectral methods; modes expansion and normalization; finite difference time domain (FDTD); numerical analysis; curved waveguides formalism and S-bend propagation; circular waveguides (optical fibres and tubular structures); waveguide transitions; tapers and junctions. ▪ Resonant cavity or micro-resonators (ring, disk, sphere); quality factor and energy-management. ▪ Coupled-mode theory representation; differential form of coupled amplitude equations; notion of supermodes. ▪ Energy formulation of equations and their resolution. =>Chapter III). Microphotonic components ▪ Applications to MOEMS (sensors, optical telecommunication); generic devices for photonic measurements (physical, chemical, biologic measurements); characterisations of photonic structures. => Chapter IV). Nanophotonic, sub-wavelength photonics, nano-components ▪ Electron-photon analogies, development of the basics on photonic crystals (PC); wave equation and eigenvalues; one-dimensional model (PC-1D or Bragg mirror); Bloch’s theorem and Fourier expansion of dielectric functions; plane waves method decomposition; spatial periodicities and photonics band gap; two- and three-dimensional crystals cases (PC-2D and -3D); photonic band calculation; phase velocity, group velocity and density of states; cavity and decay time of a mode; bands engineering and control of the photonic dispersion curves; localized defect modes; cavity; photonic structures based on photonic crystals (PC-waveguides, resonators, couplers, filters, mirrors, lasers); 2.5D-PC-components examples; technical characterisations of structures; mapping of CP-research in France and LEOM-INL / ECL Lyon example. ▪ Near field optical; introduction to the main concepts; presentation of specific probes, and near optical field microscopy (STOM, SNOM). ▪ Biomimetic and auto-assembled molecular nano-materials for photonics; nano- wires and tubes; nano-connexions and networks; bio-nanophotonic. ▪ Plasmonic photonics; surface plasmon; electromagnetic modes localized at interface; evanescent waves; excitation of plasmon.
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Submitted on : Monday, July 19, 2021 - 10:15:33 PM
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Cours Master Integrated Photon...
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Bruno Bêche. Cours Master 2 : Integrated Photonics and Nanophotonics Devices. Master. France. 2021, pp.0-218. ⟨hal-03291856⟩



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