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Photonic Crystal Ring Resonators: Characteristics and Applications

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Abstract:

We review the characteristics and applications of photonic crystal ring resonators (PCRRs), which can potentially provide a good alternative to the traditional micro ring resonators, as one of the key contributors to the emerging low-power nanophotonic technology. Applying numerical analysis together with the theory of mode superposition, the properties of PCRRs have been comprehensively investigated. We will report PCRR key characteristics, including diameter (D)-dependent loss, quality factor (Q), and free spectral range (FSR). No size-dependent loss was found in PCRRs, unlike the ∼1/D dependent loss in micro-strip resonators, making PCRRs a promising candidate for ultra-compact ring resonators.

Keywords: ADD-DROP FILTER; FDTD; MODE SUPERPOSITION; PHOTONIC BANDGAP; PHOTONIC CRYSTAL; PROPAGATION LOSS; RING RESONATORS

Document Type: Review Article

DOI: https://doi.org/10.1166/jnn.2010.2027

Publication date: 2010-03-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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