Effects of drive current upon defect distribution scan features in multi-longitudinal mode semiconductor lasers

DeChiaro, L.F.; Robinet, M.; Devoldére, P.

doi:10.1109/50.257970

Cited by 5 publications

(1 citation statement)

References 9 publications

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“…At present, the intensified investigations have been advanced to some details into the laser nonuniformities [1][2][3][4]. During the intervening years, a large amount research activities had been devoted to specifying the spectral properties of the diode lasers.…”

Section: Introductionmentioning

confidence: 99%

Asymmetrical Longitudinal Mode Spectrum of Fabry-Perot Semiconductor Lasers

Wu¹,

Guo²,

Chen³

et al. 1996

Journal of Optical Communications

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Quantitative analysis has been given to account some asymmetric features observed on the mode spectrum of the F-P semiconductor lasers detected at the end facets of the diodes. Using ray trace method, the spontaneous emission spectrum generated by the illuminating centers inside the diode has been extracted from the mode spectrum obtained at the end facet. After the wavelength difference between the peaks of the gain and spontaneous emission has been experimentally determined, the output powers P p and P v at the resonant and antiresonant wavelengths of the mode and the asymmetric distribution of the modulation index on the output spectrum have been studied. Employing the implicit analytical solutions to the multimode rate equations, the variation of the mode intensity with wavelength has been simulated. The theory predicts that the mode intensity is larger at the shorter wavelength side than that at the longer wavelength side, and the experiments have quantitatively confirmed this conclusion.

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Section: Introductionmentioning

confidence: 99%