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30 July 2001 New photonic crystal system for integrated optics
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Proceedings Volume 4532, Active and Passive Optical Components for WDM Communication; (2001)
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States
We describe a new photonic-crystal structure with a complete three-dimensional photonic band gap (PBG) and its potential application to integrated optics. The structure not only has a large band gap and is amenable to layer-by-layer litho-fabrication, but also introduces the feature of high-symmetry planar layers resembling 2D photonic crystals. This feature enables integrated optical devices to be constructed by modification of only a single layer, and supports waveguide and resonant-cavity modes that strongly resemble the corresponding modes in the simpler and well-understood 2D systems. In contrast to previous attempts to realize 2D crystals in 3D via finite-height 'slabs', however, the complete PBG of the new system eliminates the possibility of radiation losses. Thus, it provides a robust infrastructure within which to embed complex optical networks, combining elements such as compact filters, channel-drops and waveguide bends/junctions that have previously been proposed in 2D photonic crystals.
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Steven G. Johnson, Michelle L. Povinelli, and John D. Joannopoulos "New photonic crystal system for integrated optics", Proc. SPIE 4532, Active and Passive Optical Components for WDM Communication, (30 July 2001);

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