Oblique evanescent excitation of a dielectric strip: A model resonator with an open optical cavity of unlimited Q

M. Hammer, L. Ebers, J. Förstner, Optics Express 27 (2019) 8.

Download
Restricted oe-27-7-9313.pdf 2.39 MB
Journal Article | English
Abstract
A rectangular dielectric strip at some distance above an optical slab waveguide is being considered, for evanescent excitation of the strip through the semi-guided waves supported by the slab, at specific oblique angles. The 2.5-D configuration shows resonant transmission properties with respect to variations of the angle of incidence, or of the excitation frequency, respectively. The strength of the interaction can be controlled by the gap between strip and slab. For increasing distance, our simulations predict resonant states with unit extremal reflectance of an angular or spectral width that tends to zero, i.e. resonances with a Q-factor that tends to infinity, while the resonance position approaches the level of the guided mode of the strip. This exceptionally simple system realizes what might be termed a “bound state coupled to the continuum”.
Publishing Year
Journal Title
Optics Express
Volume
27
Issue
7
Page
8
LibreCat-ID

Cite this

Hammer M, Ebers L, Förstner J. Oblique evanescent excitation of a dielectric strip: A model resonator with an open optical cavity of unlimited Q. Optics Express. 2019;27(7):8.
Hammer, M., Ebers, L., & Förstner, J. (2019). Oblique evanescent excitation of a dielectric strip: A model resonator with an open optical cavity of unlimited Q. Optics Express, 27(7), 8.
@article{Hammer_Ebers_Förstner_2019, title={Oblique evanescent excitation of a dielectric strip: A model resonator with an open optical cavity of unlimited Q}, volume={27}, number={7}, journal={Optics Express}, author={Hammer, Manfred and Ebers, Lena and Förstner, Jens}, year={2019}, pages={8} }
Hammer, Manfred, Lena Ebers, and Jens Förstner. “Oblique Evanescent Excitation of a Dielectric Strip: A Model Resonator with an Open Optical Cavity of Unlimited Q.” Optics Express 27, no. 7 (2019): 8.
M. Hammer, L. Ebers, and J. Förstner, “Oblique evanescent excitation of a dielectric strip: A model resonator with an open optical cavity of unlimited Q,” Optics Express, vol. 27, no. 7, p. 8, 2019.
Hammer, Manfred, et al. “Oblique Evanescent Excitation of a Dielectric Strip: A Model Resonator with an Open Optical Cavity of Unlimited Q.” Optics Express, vol. 27, no. 7, 2019, p. 8.
Main File(s)
File Name
oe-27-7-9313.pdf 2.39 MB
Access Level
Restricted Closed Access
Last Uploaded
2019-03-27T13:47:50Z


Export

Marked Publications

Open Data LibreCat

Search this title in

Google Scholar