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Simulation of planar intergrated photonics devices with the finite-difference time-domain method

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Abstract

The FDTD method solves the complete vector Maxwell’s equations for a photonics device, and can be used to simulate devices of one, two or three-dimensional complexity. We show the use of this method with a number of 2-D integrated photonics devices including gratings, diodes, and complex guiding structures. These simulations will include both TE and TM polarizations as well as an infinite number of guided and free-space modes. The time-domain nature of the algorithm is exploited to produce the complete frequency-response of the devices under simulation. These FDTD results are compared with experiment, theory, and other simulations methods (such as the beam propagation method) to demonstrate their validity.

© 1991 Optical Society of America

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