Distributed feedback device characterization using a continuous wave model

The second-order cw equation for a medium having gain and a modulated index of refraction is solved to characterize an aperiodic distributed feedback structure. The solutions are compared with those of a coupled-wave model for the cases of tapered, chirped, and phase-shifted structures. A correlatio...

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Veröffentlicht in:Applied Optics 1990-07, Vol.29 (21), p.3110-3113
Hauptverfasser: KOENIG, E. T, KARIM, M. A
Format: Artikel
Sprache:eng
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Zusammenfassung:The second-order cw equation for a medium having gain and a modulated index of refraction is solved to characterize an aperiodic distributed feedback structure. The solutions are compared with those of a coupled-wave model for the cases of tapered, chirped, and phase-shifted structures. A correlation is observed between the solutions, endorsing the validity of the cw approach.
ISSN:0003-6935
1559-128X
1539-4522
DOI:10.1364/AO.29.003110