Phase Correlation and Linewidth Reduction of 40 GHz Self-Pulsation in Distributed Bragg Reflector Semiconductor Lasers

In this paper, self-pulsation (SP) in a distributed Bragg reflector (DBR) semiconductor laser without a saturable absorber is experimentally and theoretically investigated. Detailed experimental characterizations of the SP DBR laser are reported in the optical and radio-frequency domains. Phase corr...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 2007-02, Vol.43 (2), p.147-156
Main Authors: Renaudier, J., Guang-Hua Duan, Landais, P., Gallion, P.
Format: Article
Language:English
Subjects:
Bragg reflectors
Carrier density
Correlation
Density
Distributed Bragg reflector (DBR) lasers
Distributed Bragg reflectors
Engineering Sciences
Equations
Exact sciences and technology
Four-wave mixing
Fundamental areas of phenomenology (including applications)
Laser modes
Laser optical systems: design and operation
Laser theory
Lasers
Mathematical models
Mirrors
mode-locked lasers
Modulation
Modulation, tuning, and mode locking
Nonlinear optics
Optical mixing
Optical modulation
Optics
Phase conjugation, optical mixing
photorefractive and kerr effects
phase synchronization
Physics
pulsed lasers
Radio frequency
Semiconductor lasers
Semiconductor lasers
laser diodes
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Summary:In this paper, self-pulsation (SP) in a distributed Bragg reflector (DBR) semiconductor laser without a saturable absorber is experimentally and theoretically investigated. Detailed experimental characterizations of the SP DBR laser are reported in the optical and radio-frequency domains. Phase correlation between the longitudinal modes selected by the DBR mirror has been experimentally demonstrated. A theoretical model based on coupled rate equations for three modes has been developed to study the time evolution of phases and amplitudes of the modes. The carrier density modulation, resulting from the beating between adjacent longitudinal modes generates four-wave mixing (FWM) and is responsible for mutual injection locking, leading to passive mode-locking. The calculated power spectral density of the frequency noise derived from the model is in agreement with experimental results and proves that the phases of the longitudinal modes are identically correlated through the FWM process in this type of SP lasers
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.2006.886820