Three-dimensional optical pulse simulation using the FDTD method

As the use of optical waveguides expands, it would be desirable to have an explicit three-dimensional simulation method to analyze characteristics and develop new devices. One such method is the finite-difference time-domain (FDTD) method. The FDTD method requires a relatively high sampling density...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2000-07, Vol.48 (7), p.1127-1133
Main Authors: Sullivan, D., Jun Liu, Kuzyk, M.
Format: Article
Language:English
Subjects:
Analytical models
Computational modeling
Computer simulation
Density
Finite difference method
Finite difference methods
Finite difference time domain method
Fourier analysis
Microwaves
Optical devices
Optical pulses
Optical waveguides
Sampling methods
Time domain analysis
Wavelengths
Wavelet analysis
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Summary:As the use of optical waveguides expands, it would be desirable to have an explicit three-dimensional simulation method to analyze characteristics and develop new devices. One such method is the finite-difference time-domain (FDTD) method. The FDTD method requires a relatively high sampling density per wavelength, making simulation over distances of several wavelengths difficult. Several techniques are described to make such a simulation possible with limited computer resources. Among them is a moving problem space, which holds the pulse in the middle and moves the background medium past the pulse. Simultaneously, Fourier and wavelet analyses are used to characterize the pulse.
ISSN:0018-9480
1557-9670
DOI:10.1109/22.848495