Light propagation in photonic crystal with gain: Applicability of the negative loss approximation

► The applicability of the concept of negative losses to a gain system is discussed. ► This approach agrees with the causality principle unless the lasing is present. ► The lasing criterion is found. ► The lasing in the band gap is suppressed by increase of the PC's number of cells. ► The incre...

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Veröffentlicht in:	Photonics and nanostructures 2011-10, Vol.9 (4), p.398-404
Hauptverfasser:	Zyablovsky, A.A., Dorofeenko, A.V., Vinogradov, A.P., Pukhov, A.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Approximation Gain Gain media Lasing Mathematical analysis Metamaterial Metamaterials Nanostructure Photonic crystal Photonic crystals Pumps
Online-Zugang:	Volltext
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