Universal coupled-mode theory formulation of quasi-normal modes in a 1D photonic crystal - Archive ouverte HAL
Article Dans Une Revue Optical and Quantum Electronics Année : 2020

Universal coupled-mode theory formulation of quasi-normal modes in a 1D photonic crystal

Résumé

In terms of coupled-mode theory, only two real-valued normalized parameters are needed for describing the spectral properties of any 1D photonic crystal of finite size made of lossless materials: detuning (delta L) with respect to the Bragg condition and coupling strength (kappa L). As far as its quasi-normal mode (QNM) spectrum is concerned, the usual "complex frequency" concept can be replaced by an effective "complex detuning" (delta L + i alpha L), thus establishing a formal connection with the modal cartography, in the (kappa L,alpha L) plane, of purely index-coupled distributed-feedback lasers of normalized gain alpha L.
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Dates et versions

hal-03036074 , version 1 (02-12-2020)

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Yann Boucher, Lamis Al Sheikh. Universal coupled-mode theory formulation of quasi-normal modes in a 1D photonic crystal. Optical and Quantum Electronics, 2020, 52 (10), ⟨10.1007/s11082-020-02577-1⟩. ⟨hal-03036074⟩
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