Linewidth Rebroadening in DFB Lasers Due to Weak Side Modes

X. Pan; B. Tromborg; H. Olesen

doi:10.1109/68.76858

Linewidth Rebroadening in DFB Lasers Due to Weak Side Modes

X. Pan, B. Tromborg, H. Olesen

Research output: Contribution to journal › Journal article › Research › peer-review

37 Citations (Scopus)

Abstract

A new mechanism for linewidth rebroadening is proposed. In DFB lasers, mode partitioning between the main mode and a weak side mode in conjunction with the difference in longitudinal distributions can lead to strong rebroadening even for mode suppression ratios larger than 30 dB. An analytic expression for the new linewidth contribution is derived.

Original language	English
Journal	IEEE Photonics Technology Letters
Volume	3
Issue number	2
Pages (from-to)	112-114
Number of pages	3
ISSN	1041-1135
DOIs	https://doi.org/10.1109/68.76858
Publication status	Published - Feb 1991
Externally published	Yes

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title = "Linewidth Rebroadening in DFB Lasers Due to Weak Side Modes",

abstract = "A new mechanism for linewidth rebroadening is proposed. In DFB lasers, mode partitioning between the main mode and a weak side mode in conjunction with the difference in longitudinal distributions can lead to strong rebroadening even for mode suppression ratios larger than 30 dB. An analytic expression for the new linewidth contribution is derived.",

author = "X. Pan and B. Tromborg and H. Olesen",

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AU - Olesen, H.

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N2 - A new mechanism for linewidth rebroadening is proposed. In DFB lasers, mode partitioning between the main mode and a weak side mode in conjunction with the difference in longitudinal distributions can lead to strong rebroadening even for mode suppression ratios larger than 30 dB. An analytic expression for the new linewidth contribution is derived.

AB - A new mechanism for linewidth rebroadening is proposed. In DFB lasers, mode partitioning between the main mode and a weak side mode in conjunction with the difference in longitudinal distributions can lead to strong rebroadening even for mode suppression ratios larger than 30 dB. An analytic expression for the new linewidth contribution is derived.

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Linewidth Rebroadening in DFB Lasers Due to Weak Side Modes

Abstract

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