Linewidth and Alpha-Factor of Detuned-Loaded DBR Lasers

Jean Marc Verdiell; Uziel Koren; Thomas L. Koch

doi:10.1109/68.127194

Linewidth and Alpha-Factor of Detuned-Loaded DBR Lasers

Jean Marc Verdiell, Uziel Koren, Thomas L. Koch

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

We report measurements of the α-factor and linewidth of DBR lasers fabricated with weak grating constants. Such devices exhibit detuned-loading effects and the measured values depend strongly on the tuning current of the Bragg section, α-factor behavior is found to agree with earlier theoretical predictions. Linewidth behavior is shown to be dominated by carrier shot noise in the tuning section. A theoretical analysis of the DBR laser is outlined including detuned loading and carrier shot noise effect.

Original language	English (US)
Pages (from-to)	302-305
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	4
Issue number	4
DOIs	https://doi.org/10.1109/68.127194
State	Published - Apr 1992
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/68.127194

Cite this

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abstract = "We report measurements of the α-factor and linewidth of DBR lasers fabricated with weak grating constants. Such devices exhibit detuned-loading effects and the measured values depend strongly on the tuning current of the Bragg section, α-factor behavior is found to agree with earlier theoretical predictions. Linewidth behavior is shown to be dominated by carrier shot noise in the tuning section. A theoretical analysis of the DBR laser is outlined including detuned loading and carrier shot noise effect.",

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AU - Koren, Uziel

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N2 - We report measurements of the α-factor and linewidth of DBR lasers fabricated with weak grating constants. Such devices exhibit detuned-loading effects and the measured values depend strongly on the tuning current of the Bragg section, α-factor behavior is found to agree with earlier theoretical predictions. Linewidth behavior is shown to be dominated by carrier shot noise in the tuning section. A theoretical analysis of the DBR laser is outlined including detuned loading and carrier shot noise effect.

AB - We report measurements of the α-factor and linewidth of DBR lasers fabricated with weak grating constants. Such devices exhibit detuned-loading effects and the measured values depend strongly on the tuning current of the Bragg section, α-factor behavior is found to agree with earlier theoretical predictions. Linewidth behavior is shown to be dominated by carrier shot noise in the tuning section. A theoretical analysis of the DBR laser is outlined including detuned loading and carrier shot noise effect.

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Linewidth and Alpha-Factor of Detuned-Loaded DBR Lasers

Abstract

ASJC Scopus subject areas

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