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The authors report a comparison of the self-pulsing characteristics of two types of semiconductor laser. They show that the self-pulsing frequency of the DFB laser is decoupled from the resonance frequency. They discuss the various characteristics, their significance in relation to optical synchronisation, and use the results to suggest a possible explanation for the mechanism for self-pulsation in the DFB laser.
Phelan, P., McDonald, D., Egan, A., Hegarty, J., O'Dowd, R., Farrell, G., Lingren, S. (1994) Comparison of self pulsation in multisection lasers with distributed feedback and intracavity satuarable absorbers. IEE Proceedings in Optoelectronics, 1994, Vol.141, No. 2, pp.114-188. doi:10.1049/ip-opt:19941054