Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6348
Title: Bend-Free Optical Power Transfer Using Photonic Crystal Waveguide Arrays
Authors: Kurt, Hamza
Keywords: Coupled mode theory
directional couplers
photonic crystal waveguides
power dividers
waveguide arrays
Issue Date: 2009
Publisher: IEEE-Inst Electrical Electronics Engineers Inc
Abstract: We report the study of 2-D photonic-crystal waveguide arrays (PCWA) composed of identical waveguides coupled evanescently with each other. The coupling properties of the waveguide modes are investigated using coupled-mode theory and finite-difference time domain method. One straightforward application of such an analysis is to route input power from a central waveguide to side waveguides. As a result, appropriate designs of PCWAs may permit the realization of efficient, compact and novel devices. For instance, we show that power dividers, switchers, and Mach-Zehnder interferometers can be feasible using N = 3 channels. On the other hand, N = 5 waveguides can divide the input power by 1/4 at a distance of approximately 37.2 mu m. Waveguide bends and Y-type junctions are used heavily for power transfer but they are prone to scattering losses; hence, lowering the transmission efficiency. They can be eliminated by means of PCWAs in the design of optical power distribution through photonic circuits.
URI: https://doi.org/10.1109/JLT.2008.2005210
https://hdl.handle.net/20.500.11851/6348
ISSN: 0733-8724
1558-2213
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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