Static, dynamic, and noise analysis of multisection DFB lasers using frequency-domain transmission line model

Document Type

Article

Publication Date

9-1-1998

Abstract

A novel frequency-domain transmission line model for multisection distributed feedback (DFB) lasers is developed. The characteristic impedances of active periodic structures are derived. A multisection DFB laser is described as a transmission line network, with each section represented by a transmission line segment with a corresponding characteristic impedance. Static, dynamic, and noise analysis of multisection DFB lasers is demonstrated. The reflections at the junctions between sections are evaluated more accurately. The resonant condition of the equivalent transmission line network, instead of cumbersome Wronskian, is used to reformulate the rate equations. The diffusion coefficient of Langevin noise in noise terms of any two different positions is solved for the first time, resulting in a more accurate noise analysis of multisection semiconductor lasers. Analytical expressions of the dynamic responses and noise properties of multilsection DFB semiconductor lasers are derived.

Identifier

0032165839 (Scopus)

Publication Title

IEEE Journal of Quantum Electronics

External Full Text Location

https://doi.org/10.1109/3.709568

ISSN

00189197

First Page

1533

Last Page

1544

Issue

9

Volume

34

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