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Photonic molecules in the Terahertz - Mode splitting in coupled dielectric whispering gallery mode resonators

MPS-Authors
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Preu,  S.
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;
International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society;

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Schwefel,  H. G. L.
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Malzer,  S.
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Doehler,  G. H.
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Wang,  L. J.
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Preu, S., Schwefel, H. G. L., Malzer, S., Doehler, G. H., Wang, L. J., Hanson, M., et al. (2008). Photonic molecules in the Terahertz - Mode splitting in coupled dielectric whispering gallery mode resonators. In ICTON 2008: PROCEEDINGS OF 2008 10TH ANNIVERSARY INTERNATIONAL CONFERENCE ON TRANSPARENT OPTICAL NETWORKS, VOL 4 (pp. 27-29). 345 E 47TH ST, NEW YORK, NY 10017 USA: IEEE.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-6CEC-6
Abstract
We present an investigation of photonic molecules in the (sub-) Terahertz range, We couple two dielectric whispering gallery mode resonators with matched resonance spectra over tens of resonances. The (loaded) quality (Q)-factors of the individual disks range from 50 - 800. We observe mode splitting for all modes in the range of 0. 15 - 0.33 (0.29) THz for a set of polyethylene (quartz) disks with radius = 3 mm ( 1.8 mm). With increasing distance of the resonators, the splitting decreases due to reduced mode overlap, in very good agreement with numerical calculations. The frequency splitting, of different modes is also in good agreement with the numerical calculation.