Compact and fault-tolerant photonic crystal add drop filter
Optics Letters, Vol. 28, Issue 22, pp. 2246-2248 (2003)
http://dx.doi.org/10.1364/OL.28.002246
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Abstract
We propose an add–drop filter consisting of two adjacent waveguides carved into a two-dimensional photonic crystal that is etched through a standard guiding structure. This filter is based on distributed energy transfer via the frequency-selective intermediate conversion of the fundamental guided mode to a high-order low-group-velocity mode. This geometry circumvents the fabrication sensitivity on the single-hole scale of previous cavity-based designs. Combining distributed energy transfer and reduced group velocity preserves compactness. The design is analytically optimized with a coupled-mode approach.
© 2003 Optical Society of America
OCIS Codes
(130.0130) Integrated optics : Integrated optics
(230.7380) Optical devices : Waveguides, channeled
Citation
S. Olivier, C. Weisbuch, and H. Benisty, "Compact and fault-tolerant photonic crystal add drop filter," Opt. Lett. 28, 2246-2248 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-22-2246
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