Lateral mode analysis in semiconductor lasers using a cubic spline approximation of the refractive index profile

Lateral mode analysis in semiconductor lasers using a cubic spline approximation of the refractive index profile

A method employing a cubic spline approximation of the refractive index to solve the one-dimensional wave equation is presented. The average errors and computation times are compared with those obtained using a staircase method and an improvement of several orders of magnitude in accuracy with only...

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Veröffentlicht in:Journal of lightwave technology 1989-09, Vol.7 (9), p.1419-1424
Hauptverfasser: Chui, H.C., Chan, A.K.
Format: Artikel
Sprache:eng
Schlagworte:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Laser modes
Lasers
Optical design
Optical refraction
Optics
Partial differential equations
Physics
Piecewise linear approximation
Power lasers
Propagation constant
Refractive index
Semiconductor lasers
Semiconductor lasers
laser diodes
Spline
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Beschreibung
Zusammenfassung:A method employing a cubic spline approximation of the refractive index to solve the one-dimensional wave equation is presented. The average errors and computation times are compared with those obtained using a staircase method and an improvement of several orders of magnitude in accuracy with only a small increase in computation time for a given step size is shown. An iterative algorithm to determine the propagation constant is also presented.< >
ISSN:0733-8724
1558-2213
DOI:10.1109/50.50723