Absorbing boundary conditions for low group velocity electromagnetic waves in photonic crystals

We present an efficient method for the absorption of slow group velocity electromagnetic waves in photonic crystal waveguides (PCWs). We show that adiabatically matching the low group velocity waves to high group velocity waves of the PCW and extending the PCW structure into the perfectly matched la...

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Published in:Applied optics. Optical technology and biomedical optics 2011-03, Vol.50 (9), p.1266
Main Authors: Askari, Murtaza, Momeni, Babak, Reinke, Charles M, Adibi, Ali
Format: Article
Language:English
Subjects:
Absorption
Algorithms
Computer Simulation
Crystallization
Equipment Design
Models, Theoretical
Optics and Photonics - instrumentation
Photons
Radiation
Refractometry
Silicon Compounds - chemistry
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container_title Applied optics. Optical technology and biomedical optics
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creator Askari, Murtaza
Momeni, Babak
Reinke, Charles M
Adibi, Ali
description We present an efficient method for the absorption of slow group velocity electromagnetic waves in photonic crystal waveguides (PCWs). We show that adiabatically matching the low group velocity waves to high group velocity waves of the PCW and extending the PCW structure into the perfectly matched layer (PML) region results in a 15 dB reduction of spurious reflections from the PML. We also discuss the applicability of this method to structures other than PCWs.
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source Optica Publishing Group Journals
subjects Absorption
Algorithms
Computer Simulation
Crystallization
Equipment Design
Models, Theoretical
Optics and Photonics - instrumentation
Photons
Radiation
Refractometry
Silicon Compounds - chemistry
title Absorbing boundary conditions for low group velocity electromagnetic waves in photonic crystals
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