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Pseudo-spectral time-domain simulation of the transmission and the group delay of photonic devices

Authors
  • Pernice, W.H.P.1
  • 1 Yale University, School of Engineering and Applied Science, 10 Hillhouse Avenue, New Haven, CT, 06520, USA , New Haven (United States)
Type
Published Article
Journal
Optical and Quantum Electronics
Publisher
Springer US
Publication Date
Jan 01, 2008
Volume
40
Issue
1
Pages
1–12
Identifiers
DOI: 10.1007/s11082-008-9216-7
Source
Springer Nature
Keywords
License
Yellow

Abstract

The pseudo-spectral time-domain (PSTD) method is applied to the simulation of photonic structures. We study transmission and group delay properties of dielectric and dispersive devices. An auxiliary differential equation technique is used to model the dispersive behavior of metallic features. Comparisons with the finite-difference time-domain method show the superiority of the PSTD method in particular when extracting phase information from a photonic device. The validity of the algorithm is demonstrated by investigating a ring resonator, Bragg gratings and metallic nano-particle arrangements.

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