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Degradation of microwave signals generated by a modelocked semiconductor laser due to up-conversion of low-frequency noise

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2 Author(s)
C. R. Lima ; Electron. Eng. Labs., Kent Univ., Canterbury, UK ; P. A. Davies

The authors show that the frequency up-conversion of low-frequency noise present in drive oscillators can degrade the performance of microwave signals produced by a modelocked semiconductor laser. Experiments with low-frequency noise injection are used to demonstrate this effect. The results show also that the filtering effect of the external cavity resonances serves to reduce the sidebands of the up-converted low-frequency noise

Published in:

Electronics Letters  (Volume:31 ,  Issue: 8 )