By Allen Taflove, Steven G. Johnson, Ardavan Oskooi
Advances in photonics and nanotechnology have the capability to revolutionize humanity s skill to
communicate and compute. To pursue those advances, it truly is vital to appreciate and properly
model interactions of sunshine with fabrics comparable to silicon and gold on the nanoscale, i.e., the span of
a few tens of atoms laid part by way of aspect. those interactions are ruled through the fundamental
Maxwell s equations of classical electrodynamics, supplemented by way of quantum electrodynamics.
This e-book provides the present state of the art in formulating and imposing computational types of those interactions. Maxwell s equations are solved utilizing the finite-difference time-domain (FDTD) approach, pioneered by means of the senior editor, whose past Artech books during this quarter are one of the best ten most-cited within the background of engineering. you find an important advances in all parts of FDTD and PSTD computational modeling of electromagnetic wave interactions.
This state of the art source is helping you realize the newest advancements in computational modeling of nanoscale optical microscopy and microchip lithography. you furthermore may discover state of the art info in modeling nanoscale plasmonics, together with nonlocal dielectric features, molecular interactions, and multi-level semiconductor achieve. different severe subject matters contain nanoscale biophotonics, specially for detecting early-stage cancers, and quantum vacuum, together with the Casimir impact and blackbody radiation.
Contents: Subpixel Smoothing of Curved fabric Surfaces. Wave resource stipulations and native Density of States. completely Matched Layers and Adiabatic Absorbers. Plasmonics. Resonant gadget Modeling and layout. Metamaterials and adverse Refraction. Transformation Optics. Meep (MIT FDTD unfastened Software). Biophotonics. Lithography. Computational Microscopy. Spatial options. Quantum Phenomena. Acceleration.
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Extra resources for Advances in FDTD Computational Electrodynamics: Photonics and Nanotechnology
4 µm plane of Fig. , at the elevated dipole source) computed using both SL-PSTD and G-PSTD . In Fig. 6(a), SL-PSTD correctly reproduces the characteristic ring pattern generated by the dipole. On the other hand, in Fig. 6(b), the emission field computed by G-PSTD is dominated by spurious artifacts exhibiting a chaotic pattern. (a) (b) Fig. 4 µm plane of Fig. , at the elevated dipole source: (a) SL-PSTD solution; (b) G-PSTD solution. Source: Ding and Chen, Optics Express, 2010, pp. 9236–9250, 2010 The Optical Society of America.
However, these previously reported marching-on-in-order schemes lead to very large sparse matrix equations. Direct solutions of these matrix equations can be challenging, especially for three-dimensional (3-D) models, and are not applicable for many practical problems. To overcome this difficulty, novel efficient algorithms for implementing 2-D and 3-D unconditionally stable Laguerre-based FDTD techniques were recently reported [17, 18]. This chapter provides the theory and computational simulation results of , which advanced and extended the work of  to 3-D models and reported the incorporation of the PML ABC.
The radiation fields of such a dipole embedded within a concentric sphere having an arbitrary number of layers, combinations of radii, and materials can be analytically derived. Here, we set up a double-layered concentric dielectric sphere with appropriate parameters as a crude model for a biological cell. We assumed that a time-harmonic electric dipole was embedded inside to simulate a single Raman emitter or fluorophore. As shown in the inset of Fig. 37. 33). 4 µm along the z-axis and polarized along the z-axis.
Advances in FDTD Computational Electrodynamics: Photonics and Nanotechnology by Allen Taflove, Steven G. Johnson, Ardavan Oskooi