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Time-domain 2D modeling of slab-waveguide-based photonic-crystal devices in the presence of radiation losses
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.ORCID iD: 0000-0003-2136-4914
2002 (English)In: Microwave and optical technology letters (Print), ISSN 0895-2477, E-ISSN 1098-2760, Vol. 34, no 5, 387-393 p.Article in journal (Refereed) Published
Abstract [en]

Devices based on two-dimensional (2D) photonic crystals (PCs) arc typically realized as 3D structures consisting of an array of holes (or rods) vertically etched through a slab waveguide. The existence of holes in a slob waveguide may induce strong radiation losses to the slab claddings. Exact modeling of devices affected by such losses requires 3D calculations. In the present Letter, with the use of the effective-index method to account for the vertical confinement and the effective losses method by the nonvanishing conductivity, the 3D modeling is reduced into 2D. It is then shown that good agreement with experiments can be obtained for slab-waveguide-based photonic crystal devices.

Place, publisher, year, edition, pages
2002. Vol. 34, no 5, 387-393 p.
Keyword [en]
finite-difference time-domain method, radiation losses, photonic crystals, photonic crystal waveguides, wave-guide bends, electromagnetic-waves, metallic inclusions, band-structure, modes, transmission, confinement, resonators, emission, mirrors
Identifiers
URN: urn:nbn:se:kth:diva-21785DOI: 10.1002/mop.10471ISI: 000177236400022OAI: oai:DiVA.org:kth-21785DiVA: diva2:340483
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Swillo, Marcin

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