Abstract
Chains of coupled square dielectric cavities are investigated in a 2-D setting, by means of a quasi-analytical eigenmode expansion method. Resonant transfer of optical power can be achieved along quite arbitrary, moderately long rectangular paths (up to 9 coupled cavities are considered), even with individual standing-wave resonators of limited quality. We introduce an ab-initio coupled mode model, based on a simple superposition of slab mode profiles as a template for the field of individual cavities. Although no loss mechanisms are built in, the model can still help to interprete the results of the former numerical experiments.
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Acknowledgments
This work has been supported by the Dutch Technology foundation (BSIK/NanoNed project TOE.7143). The author thanks E. van Groesen, H. J.W. M. Hoekstra, O. V. Ivanova, M. Maksimovic, and R. Stoffer for many fruitful discussions.
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Open Access This is an open access article distributed under the terms of the Creative Commons Attribution Noncommercial License (https://creativecommons.org/licenses/by-nc/2.0), which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
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Hammer, M. Chains of coupled square dielectric optical microcavities. Opt Quant Electron 40, 821–835 (2008). https://doi.org/10.1007/s11082-009-9268-3
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DOI: https://doi.org/10.1007/s11082-009-9268-3
Keywords
- Integrated optics
- Numerical modeling
- Coupled mode theory
- Variational modeling
- Dielectric optical microcavities
- Resonator chains