| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 2, 2007
|
|
|---|---|---|
| Article Number | 07010 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.2971/jeos.2007.07010 | |
| Published online | 14 March 2007 | |
Regular papers
Active microcavity and coupled cavities in one-dimensional photonic crystal
Dipartimento di Elettrotecnica ed Elettronica, Politecnico di Bari, Via Orabona 4, 70124 Bari, Italy
Received:
13
January
2007
The propagation of light in one-dimensional SiO2-TiO2 coupled cavity photonic crystal is investigated. In particular the potential application in light amplification is proposed considering the small group velocity that characterizes the propagation at the edge of the resonance band due to the defects. Then, by means of a transfer-matrix method and a mode matching method code, an estimation of the photon lifetime and of the field intensity in a three-coupled cavity-photonic crystal is reported comparing it with those pertaining to a microcavity photonic crystal. This calculation allows us to underline the role of the light–matter interaction time with respect to that of the number of the active medium layers in the optical amplification.
Key words: photonic crystal / coupled-cavity / erbium
© The Author(s) 2007. All rights reserved.
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