A simple model system to study coupled photonic crystal microcavities

We have designed and experimentally studied several systems of standard coaxial cables with different impedances which mimic the operation of so-called photonic structures like coupled photonic crystal microcavities. Using elementary cells of half-meter long coaxial cables, we got resonances around...

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Bibliographic Details
Published in:	American journal of physics Vol. 89; no. 5; pp. 538 - 545
Main Authors:	Perrier, Alain, Guilloit, Yvan, Cren, Élodie Le, Dumeige, Yannick
Format:	Journal Article
Language:	English
Published:	Woodbury American Institute of Physics 01-05-2021 American Association of Physics Teachers
Subjects:	Cables Coaxial cables Crystal structure Engineering Sciences Heat transfer Optical properties Photonics
Online Access:	Get full text
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Summary:	We have designed and experimentally studied several systems of standard coaxial cables with different impedances which mimic the operation of so-called photonic structures like coupled photonic crystal microcavities. Using elementary cells of half-meter long coaxial cables, we got resonances around 100 MHz, a range of frequencies that can be easily studied with standard teaching laboratory apparatus. Resonant mode frequency splitting has been obtained in the case of double and triple coupled cavities. Good agreement between experimental results and the transfer matrix model has been observed. The aim here is to demonstrate that a standard coaxial cable system is a very cheap and easy to implement structure to explain to undergraduate students complex phenomena that usually occur in the optical domain.
ISSN:	0002-9505 1943-2909
DOI:	10.1119/10.0003351