13 October 2005 Wavefront engineering with photonic crystal structures in slab waveguides
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Proceedings Volume 5970, Photonic Applications in Devices and Communication Systems; 597021 (2005); doi: 10.1117/12.633442
Event: Photonics North, 2005, Toronto, Canada
Abstract
Light can interact with periodic microstructures, also known as photonic crystals, in many ways. In this talk we will consider the use of photonic crystals to modify the wavefront and wavevector direction of waves propagating in photonic crystal slab waveguides and will compare these effects with those at arise from modification of the Poynting vector. We will discuss the underlying principles and will consider applications of these devices, in particular for wavelength demultiplexing. We will illustrate our investigation by considering the design of 1-D and 2-D photonic crystal superprism demultiplexers, and show that compact (<4 mm chip size) and high resolution (100 GHz) multichannel devices can be obtained.
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Andrew G. Kirk, Aref Bakhtazad, "Wavefront engineering with photonic crystal structures in slab waveguides", Proc. SPIE 5970, Photonic Applications in Devices and Communication Systems, 597021 (13 October 2005); doi: 10.1117/12.633442; https://doi.org/10.1117/12.633442
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KEYWORDS
Photonic crystals

Dispersion

Waveguides

Prisms

Demultiplexers

Wavefronts

Mirrors

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