Theoretical study of low-frequency noise and amplitude-frequency characteristics of a semiconductor laser with a fiber Bragg grating

Using the rate equations for the density of photons and charge carriers, we have studied the amplitude low-frequency noise of a fibre Bragg grating semiconductor laser. The calculations rely on two versions of the rate equation for the carriers, characterised by the presence of the optical confineme...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2013-01, Vol.43 (9), p.828-837, Article 828
Main Authors: Kurnosov, V.D., Kurnosov, K.V.
Format: Article
Language:English
Subjects:
amplitude-frequency characteristic
AMPLITUDES
Bragg gratings
Carriers
CHARGE CARRIERS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CONFINEMENT
DENSITY
FIBERS
fibre Bragg grating
GRATINGS
low-frequency noise
Mathematical analysis
NOISE
PHOTONS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
REACTION KINETICS
RECOMBINATION
semiconductor laser
SEMICONDUCTOR LASERS
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Summary:Using the rate equations for the density of photons and charge carriers, we have studied the amplitude low-frequency noise of a fibre Bragg grating semiconductor laser. The calculations rely on two versions of the rate equation for the carriers, characterised by the presence of the optical confinement coefficient for the term, which takes into account the rate of stimulated recombination. It is shown that the relative noise intensity, which is calculated by using the rate equation for the carriers without optical confinement, agrees better with the experimental results. The calculation of the amplitude - frequency characteristics (AFCs) has shown that it is impossible to give preference to any one of these systems, since the AFCs for the two versions of the rate equations for the carriers coincide.
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2013v043n09ABEH015155